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Rohde & Schwarz EVSF1000, User Manual

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Rohde & Schwarz EVSF1000 User Manual Download Page 273

Remote Commands

R&S

®

EVSF1000

273

User Manual 1178.6410.02 ─ 05

Medium parameters

RX, STIOCPM, Index , Date, Time, LEVEL[dBm], BEARING(from)[�],
GPS_lat., GPS_long., GPS_alt[m], TrigCounter 

Short parameters

RX, Time, LEVEL[dBm], BEARING(from)[�], AM-MOD./30Hz[%],
AM-MOD./9960Hz[%], FM-DEV.[Hz], GPS_lat., GPS_long. 

12.11.3.5

 

COM Mode

All parameters

RX, STIOCP, Index , Date, Time, FREQ[MHz], MEAS.F[MHz],
MEAS.F_TX1[MHz], MEAS.F_TX2[MHz], LEVEL[dBm], LEVEL_TX1[dBm],
LEVEL_TX2[dBm], AM-MOD[%], AM-MOD_TX1[%], AM-MOD_TX2[%],
AMFREQ[Hz], AMFREQ_TX1[Hz], AMFREQ_TX2[Hz], GPS_lat., GPS_long.,
GPS_alt[m], GPS_speed[km/h], GPS_date, GPS_time, GPS_Sat,
GPS_Status, GPS_Fix, GPS_HDOP, GPS_VDOP, Temp[�C], IFBW Manual
1F, IFBW Manual 2F, MeasTime[ms], ATT.MODE, TrigCounter 

Full parameters

Channel, STIOCP, Index , Date, Time, FREQ[MHz], MEAS.F_TX1[MHz],
MEAS.F_TX2[MHz], LEVEL[dBm], LEVEL_TX1[dBm], LEVEL_TX2[dBm],
AM-MOD[%], AM-MOD_TX1[%], AM-MOD_TX2[%], AMFREQ[Hz],
AMFREQ_TX1[Hz], AMFREQ_TX2[Hz], GPS_lat., GPS_long., GPS_alt[m],
GPS_speed[km/h], GPS_date, GPS_time, GPS_Sat, GPS_Status,
GPS_Fix, GPS_HDOP, GPS_VDOP, Temp[�C], MeasTime[ms], ATT.MODE,
TrigCounter 

Medium parameters

RX, STIOCP, Index , Date, Time, MEAS.F[MHz], MEAS.F_TX1[MHz],
MEAS.F_TX2[MHz], LEVEL[dBm], LEVEL_TX1[dBm], LEVEL_TX2[dBm],
AM-MOD[%], AM-MOD_TX1[%], AM-MOD_TX2[%], GPS_lat., GPS_long.,
TrigCounter 

Short parameters

RX, Time, LEVEL[dBm], AM-MOD[%], AM-MOD_TX1[%], AM-MOD_TX2[%],
GPS_lat., GPS_long. 

12.11.3.6

 

GBAS Mode

All parameters

RX, STIOCP, Index , Date, Time, Slot, FREQ[MHz], C.Offset[kHz],
Lev.Av[dBm], Lev.Pk[dBm], SSID, EVM[%], GBAS ID, Train.FEC,

Data Management

Summary of Contents for EVSF1000

Page 1: ...R S EVSF1000 VHF UHF Nav Flight Analyzer User Manual User Manual Version 05 1178641002 ÜÎ 2 ...

Page 2: ...5 SCAT I Analysis 1329 9040 02 R S EVSG K6 COM Analysis 1329 9057 02 R S EVSG K10 RF Spectrum Analysis 1329 9063 02 R S EVSG K11 AF Spectrum Analysis 1329 9070 02 2019 Rohde Schwarz GmbH Co KG Mühldorfstr 15 81671 München Germany Phone 49 89 41 29 0 Fax 49 89 41 29 12 164 Email info rohde schwarz com Internet www rohde schwarz com Subject to change Data without tolerance limits is not binding R S ...

Page 3: ... 33 6 Numeric Measurement Modes 35 7 Graphic Measurement Modes 93 8 GBAS SCAT I Mode Options R S EVSG K4 K5 113 9 Using Markers in the Graphical Displays 155 10 Data Management 157 11 Common Instrument Settings 166 12 Remote Commands 180 Annex 275 A ILS Channel Frequency List 275 B VOR Channel Frequency List 277 C References 279 D Format Description of GBAS and SCAT I Data 280 List of Commands 286...

Page 4: ...Contents R S EVSF1000 4 User Manual 1178 6410 02 05 ...

Page 5: ...ystems The product documentation helps you to use the R S EVSF1000 safely and efficiently Follow the instructions provided here and in the Basic Safety Instructions brochure Keep the product documentation nearby and offer it to other users Where do I find safety information Safety information is part of the product documentation It warns you about the poten tial dangers and gives instructions how ...

Page 6: ...control commands with programming examples and information on maintenance instrument interfaces and error messages Includes the contents of the getting started manual The contents of the user manual are also available as online help on the R S EVSF1000 2 3 Basic Safety Instructions Contains safety instructions operating conditions and further important information The printed document is delivered...

Page 7: ...ease notes list new features improvements and known issues of the current firmware version and describe the firmware installation The open source acknowledgment document provides verbatim license texts of the used open source software See www rohde schwarz com software EVSF1000 Release Notes and Open Source Acknowledgment OSA ...

Page 8: ...interfaces Software options for specific use cases Integrated data recording 3 2 Preparing for Use Risk of injury due to disregarding safety information Observe the information on appropriate operating conditions provided in the data sheet to prevent personal injury or damage to the instrument Read and observe the basic safety instructions provided with the instrument in addition to the safety ins...

Page 9: ...t the control elements and connectors Risk of instrument damage during transportation and shipment Insufficient protection against mechanical and electrostatic effects during transportation and shipment can damage the instrument Always make sure that sufficient mechanical and electrostatic protection is provi ded When shipping an instrument use the original packaging If it is not available allow f...

Page 10: ...eboot of R S EVSF1000 for a minimum of 20 V DC input Risk of electric shock Insufficient insulation and exceeding the current limitation of external power supplies for safety extra low DC voltage SELV can lead to electric shock Be sure to meet the requirements for reinforced double insulation in accordance with DIN EN IEC 61010 UL 3111 CSA C22 2 No 1010 1 orDIN EN IEC 60950 UL 1950 CSA C22 2 No 95...

Page 11: ...o the tray To mount the R S EVSF1000 on an installation tray 1 WARNING Risk of injury due to falling instrument Be careful when mounting or unmounting the instrument in a rack If the instrument falls down it can injure you Insert the installation tray into the flight inspection rack Make sure it lies in the rack straight and securely 2 Fasten the tray in the rack by inserting 5 mm flattop screws f...

Page 12: ...receiving antenna the GPS receiver or the PPS signal For a description of the pin assignment see Table 3 1 4 Place the bottom of the R S EVSF1000 on top of the installation tray 5 Insert the ARINC connector of the tray to the female connector on the R S EVSF1000 6 Make sure the curved offsets of the metal plate on the instrument lay securely on the knobs at the front of the tray Preparing for Use ...

Page 13: ...ircraft you can use the optional service adapter R S EVSF1 Z2 to connect a power supply and any other signal input and output devices The service adapter combines an ARINC connector as described in Figure 3 4 with the common connectors provided on the rear panel of a conventional R S EVSF1000 3 2 3 Starting the R S EVSF1000 After connecting the power supply or the ARINC connector with an active po...

Page 14: ...8 6410 02 05 3 3 Instrument Tour 3 3 1 Front Panel Figure 3 2 R S EVSF1000 Front panel view 1 Display 2 USB Connectors 2x 3 AF Out 4 Carry Handle 3 3 1 1 Display The display shows a basic set of measurement and configuration settings Instrument Tour ...

Page 15: ...ent settings to perform software updates and to export measurement data A standard USB keyboard is used to configure the basic TCP IP parameters For details see Chapter 3 4 1 Basic Configuration and Status Display on page 22 3 3 1 3 AF Out Connection of a headset with a 3 5 mm jack plug into the AF OUT plug 3 3 1 4 Carry Handle The carry handle is used to remove the R S EVSF1000 from the flight in...

Page 16: ...R S EVSF1000 16 User Manual 1178 6410 02 05 3 3 2 Rear Panel Figure 3 3 R S EVSF1000 Rear panel view basic model without R S EVSF1 B4 option 1 LAN 2 RS 232 GPS 3 PPS In 4 RX 1 In RX 2 In 5 Power Supply Instrument Tour ...

Page 17: ...the specification of the following interfaces see the R S EVSF1000 data sheet LAN Ethernet 17 RS 232 GPS 18 PPS In 18 RX 1 In RX 2 In 18 Power Supply 18 Optional ARINC Connector R S EVSF1 B4 18 LF In Baseband Input R S EVSF1 B4 only 20 Demod Out Baseband Output R S EVSF1 B4 only 20 AF Out R S EVSF1 B4 only 21 Trigger In R S EVSF1 B4 only 21 IP Address Select R S EVSF1 B4 only 21 3 3 2 1 LAN Ethern...

Page 18: ...15 dBm corresponding to the frequency range to the RX inputs or if R S EVSF1 B4 is installed to the ARINC connector see Chap ter 3 3 2 6 Optional ARINC Connector R S EVSF1 B4 on page 18 The RF inputs are designed as N plugs 3 3 2 5 Power Supply Connect an external DC power source 11 V DC to 32 V DC to the power supply con nection POWER SUPPLY XLR plug or if R S EVSF1 B4 is installed to the ARINC c...

Page 19: ..._DO LAN Ethernet 4x2 twisted paired AWG 20 24 5 ETH_DI LAN Ethernet 4x2 twisted paired AWG 20 24 6 USB_VBUS USB 5V 2x2 twisted paired AWG 20 24 7 USB_D USB Data 2x2 twisted paired AWG 20 24 8 V_DCIN_GND Power single AWG 16 20 9 V_DCIN_ 28V Power single AWG 16 20 10 GND Signal GND single AWG 20 24 11 TRIGGER_IN Trigger Input single AWG 20 24 12 ETH_DO LAN Ethernet 4x2 twisted paired AWG 20 24 13 ET...

Page 20: ...28 GPS_RXD RS232 GPS single AWG 20 24 29 RX1 coaxial inlay RX1 Antenna RG 223 RG 142 RG 400 AWG 20 24 30 spare spare RG 223 RG 142 RG 400 AWG 20 24 31 spare spare RG 223 RG 142 RG 400 AWG 20 24 32 RX2 coaxial inlay RX2 Antenna RG 223 RG 142 RG 400 AWG 20 24 3 3 2 7 LF In Baseband Input R S EVSF1 B4 only Provides a baseband signal to the R S EVSF1000 for further analysis of typical AF parameters wh...

Page 21: ...red as TCP IP Address 2 is used 3 3 3 Accessories Following accessories are available for rack installation Slide in option R S EVSF1 B4 Provides an ARINC connector on the rear panel of the R S EVSF1000 which can be connected to the rack tray R S EVSF1 Z1 with connector While the tray remains connected to the aircraft permanently you can remove the R S EVSF1000 quickly and easily without having to...

Page 22: ...ce and using a connected keyboard Basic operation and status information is also available on a mini display directly on the R S EVSF1000 3 4 1 Basic Configuration and Status Display In order to connect to the R S EVSF1000 from a remote PC you require connection information such as the IP address It is also helpful to obtain the operating status of the instrument before connecting to it This basic...

Page 23: ...n page 168 DHCP DHCP usage IP IP address of the R S EVSF1000 CLIENT IP address of connected client Operating status of the R S EVSF1000 See Chapter 11 5 Instrument Configuration and Operating Status Settings on page 172 HW Hardware status OK ERROR GPS Availability of GPS signal Current date and time 3 4 2 Basic Connection Settings In order to operate the R S EVSF1000 from a remote PC you require c...

Page 24: ...oard shortcuts on the connected keyboard 3 4 3 1 Understanding the Display Information The following figure shows a typical screen display on the R S EVSF1000 All different screen elements are labeled They are explained in more detail in the following sec tions 2 3 1 4 Figure 3 7 R S EVSF1000 GUI Overview 1 Softkeys to edit settings and activate functions 2 Measurement settings area numeric modes ...

Page 25: ... 3 8 Softkey with an associated input field Measurement settings and results area During a measurement the available settings are displayed at the top of the screen the measurement results at the bottom If a general instrument setting or data manage ment function is selected the settings and information are displayed in the main part of the screen Which settings and results are displayed depends o...

Page 26: ...et c Audio v Display b Help n Setup m Mode z Undo r Redo PAGE UP Field right PAGE DOWN Field left x Screenshot a Meas s Config F7 Softkey 7 F6 Softkey 6 F5 Softkey 5 F4 Softkey 4 F3 Softkey 3 F2 Softkey 2 F1 Softkey 1 k Trigger l Single ESC ESC 0 0 1 1 4 4 7 7 q CH FREQ d MTime BACKSPACE Back ENTER Enter Operating Basics ...

Page 27: ...ibed in Table 3 2 to activate a function directly or to display a softkey menu 2 Select the key for the setting or function as required If necessary select F8 to switch to the second softkey menu The function is activated or a new window is displayed to view or change specific settings 3 To set the focus on a specific setting in the displayed window scroll through the individual settings by pressi...

Page 28: ...s and one number The decimal point key represents special characters and the sign key toggles between capital and small letters For the assignment refer to Table 3 3 1 Press the key once to enter the first possible value All characters available via this key are displayed 2 To choose another value provided by this key press the key again until your desired value is displayed 3 With every key strok...

Page 29: ... blank 0 _ toggles between capital and small letters 3 4 4 Remote Control You can control the R S EVSF1000 including data transfer remotely from a PC using the LAN connection Fast Ethernet See Chapter 3 4 2 Basic Connection Settings on page 23 Remote control is performed using predefined remote commands which are sent from the control PC to the R S EVSF1000 The R S EVSF1000 can also return queried...

Page 30: ...ver board can be configured to perform different measurement tasks Thus you can perform two different measurements on the same input signal simultaneously You must then select the receiver board whose results are displayed in the display settings see RX Unit 1 RX Unit 2 on page 167 Figure 4 1 Measurement mode selection Measurement modes with numerical results The following measurement modes provid...

Page 31: ...tly defined settings for that mode are applied However graphical results can also be displayed directly from the measurement modes with numeric results In this case the settings for the current mode are applied to the graphical results Measurement modes with both numerical and graphical results The following measurement modes provide both numerical and graphical results GBAS mode R S EVSG K4 K5 di...

Page 32: ...l definition 1F 2F ILS LOC and ILS GP mode only The ILS Localizer and Glidepath measurements can detect both course and clearance data simultaneously Alternatively the individual channels can be measured only or any one or two user defined frequencies By default a wideband measurement is per formed The displayed measurement results depend on the selected channel and fre quency configuration See Ch...

Page 33: ...igure the receiver signal to be measured by the R S EVSF1000 Correction RX 1 In 33 Correction RX 2 In 33 Correction RX 1 In Configures the correction of the RX 1 input signal in dB This value is subtracted from all levels and compensates effects of upstream lines and attenuators Correction RX 2 In Configures the correction of the RX 2 input signal in dB This value is subtracted from all levels and...

Page 34: ...e The measurement mode determines the type of signal for which the measurement is performed see Chapter 4 Measurements and Results on page 30 To select a measurement mode via VNC 1 Press the m key on the remote keyboard 2 Select the required measurement mode using the arrow keys 3 Press Enter to confirm the selection Remote commands MODE_LOC on page 205 MODE_GP on page 205 MODE_MB on page 226 MODE...

Page 35: ...nd Glidepath Measurements and Results 37 ILS Localizer and Glidepath Configuration 48 6 1 1 Localizer Basics The localizer transmitter is located near the end of the runway nearest to the start of the aircraft approach Typically horizontally aligned antennas transmit two intersecting main beams beside one another at carrier frequencies between 108 MHz and 112 MHz As seen from the approaching aircr...

Page 36: ...dually Morse code identification signal The localizer not only allows the aircraft to determine its position it also provides iden tification of the ILS transmitter The localizer periodically transmits a Morse code at 1020 Hz which uniquely identifies the transmitter The receiver thus knows the ILS is operating correctly and that it is receiving the correct signal The glide slope station does not ...

Page 37: ...rcraft is too high and must descend A predominant 150 Hz means that the aircraft is too low and needs to climb 6 1 3 ILS Localizer and Glidepath Measurements and Results A single receiver board in the R S EVSF1000 can measure data at two different receiver frequencies at the same time Therefore the ILS Localizer and Glidepath measurements can detect both course and clearance data simultaneously an...

Page 38: ... S EVSG K12 on page 107 Remote command VIEW_LLZ on page 210 RF Level and Frequency Display 38 IF Spectrum Preview 39 ILS Localizer and Glidepath Main View 40 ILS Localizer Distortion View 42 ILS Localizer ID Analysis View 45 ILS Localizer Recording View 48 6 1 3 1 RF Level and Frequency Display The measured RF power and frequency of the input signal is displayed both numeri cally and graphically F...

Page 39: ...or low distortion for RF input or reduce the input level Remote commands to retrieve results LA on page 182 FMEAS on page 234 RFCH on page 183 GET_MEASFREQ on page 240 GET_TX1_MEASFREQ on page 240 GET_TX2_MEASFREQ on page 240 GET_TX1_LEVEL on page 239 GET_TX2_LEVEL on page 239 6 1 3 2 IF Spectrum Preview A preview of the measured spectrum power level vs frequency for the IF intermedi ate frequency...

Page 40: ...ger more detailed spectrum diagram select one of the graphical Spectrum modes If you switch to such a mode directly from a numeric measurement mode the current measurement settings are applied to the spectrum automatically 6 1 3 3 ILS Localizer and Glidepath Main View The ILS Localizer and Glidepath Main view provides the following results Figure 6 4 ILS Localizer Main view ILS Localizer and ILS G...

Page 41: ...modulation DDM between 90 Hz and 150 Hz AM signal m90 Hz m150 Hz Note The DDM value is also displayed graphically as a bargraph for quick evaluation Remote command DD0 on page 217 DD1 on page 217 DCLR on page 217 DCRS on page 217 SDM 90 150 Sum in Depth of Modulation SDM arithmetic sum of the modulation depth of the 90 Hz and the 150 Hz components without any influence of the phase between the com...

Page 42: ...d AM3 on page 216 AM3CLR on page 216 AM3CRS on page 216 Freq 150 Hz AF frequency of 150 Hz ILS component Remote command AF3 on page 215 ID Code Morse decoded ID with three or four letters Remote command AC8 on page 215 AC8 on page 232 PHI 90 150 Phase angle measurement between 90 Hz and 150 Hz AM signal 90 Hz reference signal measurement range 60 degrees Remote command PH on page 219 6 1 3 4 ILS L...

Page 43: ... Hz 44 K4 90 Hz 44 THD 90 Hz 44 Res FM 90 44 AM 150 Hz 44 K2 150 Hz 44 K3 150 Hz 44 K4 150 Hz 45 THD 150 Hz 45 Res FM 150 45 AM 90 150 45 AM 90 Hz AM modulation depth of 90 Hz ILS component Remote command AM2 on page 215 AM2CLR on page 215 AM2CRS on page 216 K2 90 Hz Distortion 2nd order 90 Hz signal ILS Localizer and ILS Glidepath GP Modes ...

Page 44: ...age 54 AM 150 Hz AM modulation depth of 150 Hz ILS component Remote command AM3 on page 216 AM3CLR on page 216 AM3CRS on page 216 K2 150 Hz Relative amplitude of an AF signal s second harmonic calculated as amplitude of second harmonic amplitude of fundamental For 90 Hz 150 Hz mean amplitude of second harmonics mean amplitude of fundamentals Remote command K2_150 on page 218 K3 150 Hz Relative amp...

Page 45: ...omponent Remote command THD_150 on page 221 Res FM 150 Residual frequency modulation for 150 Hz signal AM 90 150 Total AM modulation depth of the 90 Hz and the 150 Hz components taking the phase between the components into account 6 1 3 5 ILS Localizer ID Analysis View The ILS Localizer ID Analysis view provides the following results This view is not available for clearance CLR signals in two freq...

Page 46: ...p 47 Letter Gap 47 ID AM 47 ID Freq 47 DDM 90 150 Difference in depth of modulation DDM between 90 Hz and 150 Hz AM signal m90 Hz m150 Hz Note The DDM value is also displayed graphically as a bargraph for quick evaluation Remote command DD0 on page 217 DD1 on page 217 DCLR on page 217 DCRS on page 217 Last ID Time since last ID pulse was measured ILS Localizer and ILS Glidepath GP Modes ...

Page 47: ... a dash is transmitted in the used Morse cod in milliseconds Remote command ID_DASH_LENGTH on page 221 Dot Dash Gap Length of time that passes between a transmitted dot and a dash in the used Morse code in milliseconds Remote command ID_DOTDASH_GAP on page 222 Letter Gap Length of time that passes between two transmitted letters in the used Morse code in milliseconds Remote command ID_LETTER_GAP o...

Page 48: ... Which measurement results are stored is described in the remote commands see GETDATADEF on page 268 The individual measurement results are described in the result views For details on data logging see Chapter 10 2 Recording Measurement Data on page 159 Remote commands to retrieve data GETDATADEF on page 268 GETDATASET on page 268 6 1 4 ILS Localizer and Glidepath Configuration The following setti...

Page 49: ...ies or channels to be measured 1F One frequency only is measured namely the nominal frequency which is also the center frequency The nominal frequency is configured by the Channel Frequency Con figuration CH FREQ settings 2F Two frequencies are measured at the same time Which frequencies are measured is configured by the Channel Frequency Configuration CH FREQ settings The numeric results are calc...

Page 50: ...ngs are available depends on the 1F 2F on page 49 CRS CLR Carr 50 Course 50 Clearance 51 1F Offset 51 Find Carrier 51 Carrier Thresh 51 Upper Freq 51 CRS CLR Carr Defines whether the course and clearance carriers are determined automatically or manually For automatic determination both carriers are determined automatically and continu ously during the entire measurement You can define a threshold ...

Page 51: ... must exceed this level before the carrier frequency is adapted This is useful for noisy or unstable sig nals so the carrier frequencies do not change unnecessarily often due to minor distur bances Remote command GS_CARRIER_THRESHOLD_DB on page 211 LLZ_CARRIER_THRESHOLD_DB on page 206 Upper Freq The course and clearance carriers are defined as offsets to either side of the center frequency Which f...

Page 52: ...b to the fixed offset you can easily scroll through the signal s channel frequencies using the rotary knob Thus for example you can analyze the measurement results for one channel after the other simply by changing the selected channel frequency with the rotary knob The default step size for ILS VOR mode is 50 kHz 6 1 4 2 Ampt Access VNC w The following settings define the amplification for the in...

Page 53: ...RF attenuation mode to be used Low Noise 15 dB pre amplification Provides a high sensitivity Suitable when scanning the area for dis tant signals Norm 0 dB Provides a normal sensitivity Low Dist 15 dB attenuation Provides a low sensitivity Suitable when analyzing a nearby signal to avoid overload due to high level signals Remote command SETATTMODE on page 183 FSCAN_ATTMODE on page 248 SCOPE_ATTMOD...

Page 54: ...ommand LLZ_DEM_1F2F_BW on page 207 GS_DEM_1F2F_BW on page 211 BW Dist ID Specifies the filter bandwidth for distortion and ID measurements Remote command LLZ_DEM_ID_BW on page 207 Res FM Filt ILS only Defines the filter type used to determine residual FM see Chapter 6 1 3 4 ILS Local izer Distortion View on page 42 ICAO Filter according to ICAO specification Narrow Narrow filter the DDM filters us...

Page 55: ... and only the average value is dis played Note that the measurement time determines the minimum interval for values to be stored during recording see Time on page 161 Enter the time in milliseconds Remote command MEASTIME on page 182 6 1 4 5 DDM and SDM Configuration The following settings configure the DDM and SDM measurement results DDM Unit 55 SDM Unit 55 ILS Phase 55 DDM Polarity 56 DDM Bargr ...

Page 56: ...0 400 dimensionless Remote command SETUP UNIT BARGRAPH on page 186 6 2 ILS Marker Beacon Mode Option R S EVSG K3 Access VNC m Down arrow key Remote command MODE_MB on page 226 Basics on Marker Beacons 56 ILS Marker Beacon Measurements and Results 57 Configuring ILS Marker Beacon Measurements 63 6 2 1 Basics on Marker Beacons Marker beacon MB receivers are used for a rough distance measurement They...

Page 57: ...e receiver to identify which one it is flying over Both visual color of the marker beacon and audio tone identification is supported for determining which marker has been flown over The audio visual pairing of marker bea cons is as follows Outer marker flashes BLUE in the cockpit at 400 Hz relaxed tone Middle marker flashes AMBER in the cockpit at 1300 Hz hurried tone Inner marker flashes WHITE in...

Page 58: ...EVSG K12 on page 107 Remote command VIEW_MB on page 226 RF Level and Frequency Display 58 IF Spectrum Preview 59 ILS Marker Beacon Main View 60 ILS Marker Beacon ID Analysis 61 ILS Marker Beacon Recording View 63 6 2 2 1 RF Level and Frequency Display The measured RF power and frequency of the input signal is displayed both numeri cally and graphically Figure 6 10 RF level display The following re...

Page 59: ...on for RF input or reduce the input level Remote commands to retrieve results LA on page 182 FMEAS on page 234 RFCH on page 183 GET_MEASFREQ on page 240 GET_TX1_MEASFREQ on page 240 GET_TX2_MEASFREQ on page 240 GET_TX1_LEVEL on page 239 GET_TX2_LEVEL on page 239 6 2 2 2 IF Spectrum Preview A preview of the measured spectrum power level vs frequency for the IF intermedi ate frequency signal is prov...

Page 60: ...mode directly from a numeric measurement mode the current measurement settings are applied to the spectrum automatically 6 2 2 3 ILS Marker Beacon Main View The ILS Marker Beacon Main view provides the following results AM 400 Hz 60 Freq 400 Hz 60 AM 1300 Hz 61 Freq 1300 Hz 61 AM 3000 Hz 61 Freq 3000 Hz 61 AM 400 Hz AM modulation depth of the 400 Hz component Remote command AM6 on page 228 Freq 40...

Page 61: ...frequency of the 1300 Hz component Remote command AF5 on page 227 AM 3000 Hz AM modulation depth of the 3000 Hz component Remote command AM4 on page 227 Freq 3000 Hz Measured frequency of the 3000 Hz component Remote command AF4 on page 227 6 2 2 4 ILS Marker Beacon ID Analysis Displays the results of the marker beacon signal id analysis ILS Marker Beacon Mode Option R S EVSG K3 ...

Page 62: ...Hz Dash Displays the length of a dash for the middle marker in ms Remote command ID_F1300_DASHLEN on page 228 1300 Hz Dot Displays the length of a dot for the middle marker in ms Remote command ID_F1300_DOTLEN on page 229 1300 Hz Gap Displays the gap between dot and dash for the middle marker in ms Remote command ID_F1300_GAP on page 229 3000 Hz Dot Displays the length of a dot for the inner marke...

Page 63: ... are stored is described in the remote commands see GETDATADEF on page 268 The individual measurement results are described in the other ILS Marker Beacon result views For details on data logging see Chapter 10 2 Recording Measurement Data on page 159 6 2 3 Configuring ILS Marker Beacon Measurements The following settings are available for the ILS Marker Beacon measurement Settings for recording i...

Page 64: ...ency step size for the rotary knob when setting the frequency The default step size for ILS MB mode is 50 kHz 6 2 3 2 Ampt Access VNC w The following settings define the amplification for the input signal RF Att 64 RF Mode 65 Transducer Correction 65 RF Att Determines how the attenuation of the RF signal is defined The attenuation should be adjusted such that the measured power level remains in th...

Page 65: ...ed Low Noise 15 dB pre amplification Provides a high sensitivity Suitable when scanning the area for dis tant signals Norm 0 dB Provides a normal sensitivity Low Dist 15 dB attenuation Provides a low sensitivity Suitable when analyzing a nearby signal to avoid overload due to high level signals Remote command SETATTMODE on page 183 FSCAN_ATTMODE on page 248 SCOPE_ATTMODE on page 260 FTT_ATTMODE on...

Page 66: ...nderstanding of the required configuration set tings 6 3 1 1 VHF Omni Directional Radio Range VOR Very high frequency VHF omnidirectional radio range VOR is a radio navigation sys tem for short and medium distance navigation The VOR radio navigation aid supplies the aircraft with directional information angle information relative to the magnetic north from the site of the beacon Thus it helps airc...

Page 67: ...reference phase must be independent of the rotation of the antenna Thus it is modulated with a frequency deviation of 480 Hz in FM onto a secondary carrier with 9 96 kHz It is then emitted over a separate antenna with a round characteristic Figure 6 12 Basics of the VOR phase angles Φ depending on the azimuth angle Θ The frequency modulated secondary carrier for the reference phase is itself again...

Page 68: ...ee components was selected in ICAO annex 10 63 such that the total signal still contains 10 modulation reserve The carrier is therefore not suppressed at any time The 9960 Hz reference carrier is FM modulated with 480 Hz deviation The VOR signal generation as under ICAO is shown below Figure 6 14 Basics of the VOR signal generation VOR Mode Option R S EVSG K2 ...

Page 69: ...Numeric Measurement Modes R S EVSF1000 69 User Manual 1178 6410 02 05 6 3 1 2 VOR Demodulator Figure 6 15 Block diagram of the VOR software demodulator VOR Mode Option R S EVSG K2 ...

Page 70: ...hase difference of the 30 Hz reference signal and the 30 Hz rotational signal VOR distortion In the VOR software demodulator two kinds of signals are analyzed regarding distor tions AM Distortion The AM modulation depth vs time signal is processed by an FFT with a user defined resolution bandwidth The trace is displayed in the Modulation Spectrum display The K2 K3 and THD results of the AM compone...

Page 71: ...AF frequencies are calculated FreqAM30 30 Hz Rotational signal AM FreqFM30 30 Hz Reference signal FM FreqID voice identification From 300 Hz to 4 kHz typically 1020 Hz Freq9960 The carrier frequency of the FM carrier typically 9960 Hz Calculated as mean value of the FM demodulator output 6 3 1 3 Phase Notation in VOR Measurements In VOR measurements the phase can be provided using two different no...

Page 72: ...m the graphical results to the VOR mode select Return F8 For details on the graphical results see Chapter 7 1 RF Spectrum Mode Option R S EVSG K10 on page 93 Chapter 7 2 IF Spectrum Mode Option R S EVSG K10 on page 97 Chapter 7 3 AF Spectrum Mode Option R S EVSG K11 on page 102 Chapter 7 4 AF Time Domain Mode Option R S EVSG K12 on page 107 Remote command VIEW_VOR on page 231 RF Level and Frequenc...

Page 73: ...path IF Overload Overload of the IF signal ADC Overload The dynamic range of the AD converter is exceeded clipping A combination of these overloads is also possible In all cases set the RF attenuation to normal or low distortion for RF input or reduce the input level Remote commands to retrieve results LA on page 182 FMEAS on page 234 RFCH on page 183 GET_MEASFREQ on page 240 GET_TX1_MEASFREQ on p...

Page 74: ...idth or frequency offsets For a larger more detailed spectrum diagram select one of the graphical Spectrum modes If you switch to such a mode directly from a numeric measurement mode the current measurement settings are applied to the spectrum automatically 6 3 2 3 VOR Main View Displays the main measurement results Bearing from 75 AM 30 Hz 75 AM 9960 Hz 75 FM Deviation 75 ID Code 75 VOR Mode Opti...

Page 75: ...ulation depth of 9 96 kHz subcarrier Remote command AM1 on page 233 FM Deviation FM frequency deviation of 30 Hz subcarrier Remote command FM0 on page 234 ID Code Morse decoded ID with three or four letters Remote command AC8 on page 215 AC8 on page 232 Voice AM AM Modulation depth of the voice signal in the range 300 Hz to 3000 Hz identifier notched Remote command AM9 on page 234 Freq 30 Hz AF fr...

Page 76: ...tion of 30 Hz subcarrier Remote command FM1 on page 234 6 3 2 4 VOR Distortion View This view comprises all measurement parameters for the determination of the distor tion factors in the VOR mode Subcarrier Harmonics 76 Subcarrier AM Distortion 77 Subcarrier Harmonics Measures the distortions up to 5th order of the subcarrier harmonics K2 Distortion 2nd order K3 Distortion 3rd order VOR Mode Optio...

Page 77: ... different unwanted AM components appear Peak 1 and Peak 2 display the largest unwanted components Peak 1 Freq Displays the frequency of an unwanted AM of a VOR signal Peak 1 AM Displays the amplitude of an unwanted AM of a VOR signal Peak 2 Freq Displays the frequency of an unwanted AM of a VOR signal Peak 2 AM Displays the amplitude of an unwanted AM of a VOR signal Remote command DIST_9960 on p...

Page 78: ...ASTID_TIME on page 222 ID Code Morse decoded ID with three or four letters Remote command AC8 on page 215 AC8 on page 232 ID Period Time between two measured ID pulses Remote command ID_PERIOD on page 222 Dot Length Length of time a dot is transmitted in the used Morse code in milliseconds Remote command ID_DOT_LENGTH on page 221 Dash Length Length of time a dash is transmitted in the used Morse c...

Page 79: ... on page 222 ID AM AM Modulation depth of identifier signal default 1020 Hz Remote command AM8 on page 216 AM8 on page 233 ID Freq Frequency of the morse signal Remote command AF8 on page 215 AF8 on page 233 6 3 2 6 VOR Recording View The Recording view displays the recorded data for VOR measurements from the selected data list see List on page 161 If available the stored GPS data from the GPS rec...

Page 80: ...g see Chapter 10 2 Recording Measurement Data on page 159 Remote commands for retrieving results GETDATADEF on page 268 GETDATASET on page 268 6 3 3 Configuring VOR Measurements The following settings are available for VOR measurements Settings for recording including trigger settings are described in Chapter 10 2 Recording Measurement Data on page 159 For the mapping of hard and softkey commands ...

Page 81: ... at which the measurement is performed For some avionics standards the channels are associated with specific fre quencies See Chapter A ILS Channel Frequency List on page 275 and Chapter B VOR Channel Frequency List on page 277 CH 81 Freq 81 Step Size 81 CH Sets the receiver frequency channel on the active receiver board according to the ICAO frequency list Remote command RFCH on page 183 Freq Set...

Page 82: ...6 1 3 1 RF Level and Frequency Dis play on page 38 Note that the valid level range depends on the selected measure ment mode Manual The RF attenuation mode is specified manually see RF Mode on page 53 Auto The RF attenuation mode is selected automatically The signal attenuation is selected automatically according to the sig nal strength This mode works best with clean signals In difficult receivin...

Page 83: ...bandwidth determines the frequency range for which the measurement is per formed on the IF signal 6 3 3 5 Setting the Measurement Time MTime Access VNC d The measurement time determines the interval at which new measurement results are displayed Internally values are captured every 100 ms that is 10 per second With the High Measurement Rate option R S EVSG K22 installed the internal capture rate i...

Page 84: ...ults For measurements on two fre quencies the results for the individual frequencies and the sum of both are displayed You can display graphical results directly from the COM mode by selecting the softkey in the Meas menu In this case the settings for the current measurement are applied to the graphical results To return from the graphical results to the COM mode select Return F8 For details on th...

Page 85: ...overload state green power in a valid range If applicable overload messages Overload messages The following messages indicate an overload RF Overload Overload of the input mixer or of the analog IF path IF Overload Overload of the IF signal ADC Overload The dynamic range of the AD converter is exceeded clipping A combination of these overloads is also possible In all cases set the RF attenuation t...

Page 86: ...wer range is selected such that the noise level remains visible Figure 6 20 IF spectrum preview This preview spectrum allows you to check if the current measurement settings are appropriate such as the bandwidth or frequency offsets For a larger more detailed spectrum diagram select one of the graphical Spectrum modes If you switch to such a mode directly from a numeric measurement mode the curren...

Page 87: ... to the COM mode select Return F8 For details on the graphical results see Chapter 7 1 RF Spectrum Mode Option R S EVSG K10 on page 93 Chapter 7 2 IF Spectrum Mode Option R S EVSG K10 on page 97 Chapter 7 3 AF Spectrum Mode Option R S EVSG K11 on page 102 Chapter 7 4 AF Time Domain Mode Option R S EVSG K12 on page 107 Remote command VIEW_COM on page 237 AM Mod 87 AM Freq 88 AM Mod Displays the AM ...

Page 88: ...GET_ONE_AMFREQ on page 241 GET_TX1_AMFREQ on page 241 GET_TX2_AMFREQ on page 241 6 4 1 4 COM Recording View The Recording view displays the recorded data for COM measurements from the selected data list see List on page 161 If available the stored GPS data from the GPS receiver is also displayed Which measurement results are stored is described in the remote commands see GETDATADEF on page 268 The...

Page 89: ... quency configuration Channel Setup 89 Carrier Configuration 1F 2F Config 89 Channel Frequency Configuration CH FREQ 90 Channel Setup Access VNC m F1 1F 2F Selects the number of frequencies or channels to be measured 1F One frequency only is measured namely the nominal frequency which is also the center frequency The nominal frequency is configured by the Freq settings 2F Two frequencies are measu...

Page 90: ...nominal frequency Remote command AMFREQ_OFFSET_1F on page 237 Channel Frequency Configuration CH FREQ Access VNC q The carrier frequency determines the nominal frequency at which the measurement is performed Freq 90 Step Size 90 Freq Sets the nominal frequency for the measurement By default this frequency is also assumed to be the center frequency for spectrum displays unless an offset is defined ...

Page 91: ...be more stable When monitoring signals with mostly constant signal levels it is also recommended that you use the Low Noise Normal or Low Distor tion mode If the R S EVSF1000 has to adapt the attenuation frequently indica ted by a frequent clicking noise from the attenuator spikes can occur in the trace Remote command SETATTMODE on page 183 SCOPE_ATTMODE on page 260 FTT_ATTMODE on page 257 IFSPECT...

Page 92: ...Remote command COM_DEMOD_BW_1F on page 238 COM_DEMOD_BW_2F on page 238 6 4 2 4 Setting the Measurement Time MTime Access VNC d The measurement time determines the interval at which new measurement results are displayed Internally values are captured every 100 ms that is 10 per second With the High Measurement Rate option R S EVSG K22 installed the internal capture rate is 10 ms that is 100 per sec...

Page 93: ...ccess VNC m Down arrow key The RF Spectrum mode displays the power vs frequency diagram spectrum for a user defined frequency range of the input signal This is useful to obtain an overview of the entire input signal The RF Spectrum requires the R S EVSG K10 option The x axis displays the absolute measured frequency in Hz The y axis displays the measured power levels in dBm Marker functions allow y...

Page 94: ...uency range see Chapter 7 1 1 Configuring the Frequency Range on page 94 RF attenuation Att The used attenuation mode see also RF Mode on page 53 Reference level Ref Lev The maximum expected power level see Ref Level on page 96 Level correction Lev Corr The applied level correction by a transducer See Transducer Correction on page 53 Resolution Bandwidth RBW Resolution bandwidth with which the mea...

Page 95: ...SCAN_FREQSTART on page 249 Stop Configures the stop frequency of the x axis The configured value is displayed as Stop in the measurement settings area Remote command FSCAN_FREQSTOP on page 250 7 1 2 Configuring the Bandwidth Access VNC e F1 Resolution Bandwidth RBW Mode Res BW 95 Resolution Bandwidth RBW Mode Res BW Defines the resolution bandwidth RBW of the spectrum The resolution bandwidth defi...

Page 96: ...e RF input or signal clipping Remote command FSCAN_REFLEVEL on page 250 Y Range Determines the displayed power level range on the y axis of the spectrum The range starts at the specified Ref Level at the top of the diagram RF Mode Defines the RF attenuation mode to be used Low Noise 15 dB pre amplification Provides a high sensitivity Suitable when scanning the area for dis tant signals Norm 0 dB P...

Page 97: ...d dis played The R S EVSF1000 saves each trace point in the trace memory only if the new value is greater than the previous one The Average Count determines the number of sweeps to evaluate RMS The RMS value for each trace point over several sweeps is deter mined and displayed The Average Count determines the number of sweeps to evaluate Remote command FFT_TRACEMODE on page 258 IFSPECT_TRACE_MODE ...

Page 98: ...defined settings for that mode are applied However graphical results can also be displayed directly from the measurement modes with numeric results In this case the settings for the current mode are applied to the graphical results The following settings are displayed in the measurement settings area of the RF spec trum RX board RX1 RX2 The currently active receiver board See Chapter 5 2 Receiver ...

Page 99: ...CT on page 255 7 2 1 Configuring the Frequency Range Access VNC q The following settings configure the frequency range of the spectrum that is the x axis RF Freq 99 Span 99 RF Freq Configures the center frequency The configured value is displayed as RF Freq in the measurement settings area Remote command IFSPECT_FREQRF on page 253 Span Configures the frequency span which must be at least 100 kHz T...

Page 100: ... axis of the spectrum Ref Level 100 Y Range 100 RF Att 100 RF Mode 101 Transducer Correction 101 Ref Level The reference level determines the maximum power level displayed in the spectrum The reference level should be set as close as possible to the highest expected power level to avoid overload at the RF input or signal clipping Remote command IFSPECT_REFLEVEL on page 254 Y Range Determines the d...

Page 101: ...ge 183 SCOPE_ATTMODE on page 260 FTT_ATTMODE on page 257 IFSPECT_ATTMODE on page 253 RF Mode Defines the RF attenuation mode to be used Low Noise 15 dB pre amplification Provides a high sensitivity Suitable when scanning the area for dis tant signals Norm 0 dB Provides a normal sensitivity Low Dist 15 dB attenuation Provides a low sensitivity Suitable when analyzing a nearby signal to avoid overlo...

Page 102: ...te RMS The RMS value for each trace point over several sweeps is deter mined and displayed The Average Count determines the number of sweeps to evaluate Remote command FFT_TRACEMODE on page 258 IFSPECT_TRACE_MODE on page 254 FSCAN_TRACE_MODE on page 251 Average Count Determines the number of sweeps over which trace evaluation is performed e g aver aging or maxhold Remote command FFT_TRACE_AVRGCOUN...

Page 103: ...gs are displayed in the measurement settings area of the RF spec trum RX board RX1 RX2 The currently active receiver board See Chapter 5 2 Receiver Board on page 33 Measurement mode The currently active measurement mode on the active receiver board e g AF Spectrum See Chapter 5 3 Measurement Mode on page 34 RF Freq Nominal measurement frequency of the RF signal see RF Freq on page 104 Frequency ra...

Page 104: ...er of the x axis with half the span to the either side AF Start AF Stop the x axis starts with the start frequency and ends with the stop frequency RF Freq 104 AF Center 104 AF Span 104 AF Start 105 AF Stop 105 RF Freq Configures the nominal frequency of the measurement The configured value is dis played as RF Freq in the measurement settings area Remote command FFT_FREQRF on page 258 AF Center Co...

Page 105: ...dividual components of a spectrum can be distinguished Small values result in high precision as the distance between two distinguishable frequencies is small Higher values decrease the preci sion but increase measurement speed The RBW can be determined automatically by the R S EVSF1000 or manually AUTO mode The RBW is determined automatically according to the sweep time and frequency range Manual ...

Page 106: ...ore stable When monitoring signals with mostly constant signal levels it is also recommended that you use the Low Noise Normal or Low Distor tion mode If the R S EVSF1000 has to adapt the attenuation frequently indica ted by a frequent clicking noise from the attenuator spikes can occur in the trace Remote command SETATTMODE on page 183 SCOPE_ATTMODE on page 260 FTT_ATTMODE on page 257 IFSPECT_ATT...

Page 107: ...s is deter mined and displayed The Average Count determines the number of sweeps to evaluate Remote command FFT_TRACEMODE on page 258 IFSPECT_TRACE_MODE on page 254 FSCAN_TRACE_MODE on page 251 Average Count Determines the number of sweeps over which trace evaluation is performed e g aver aging or maxhold Remote command FFT_TRACE_AVRGCOUNT on page 259 IFSPECT_TRACE_AVRGCOUNT on page 255 FSCAN_TRAC...

Page 108: ...e graphical results The following settings are displayed in the measurement settings area of the RF spec trum RX board RX1 RX2 The currently active receiver board See Chapter 5 2 Receiver Board on page 33 Measurement mode The currently active measurement mode on the active receiver board e g AF Spectrum See Chapter 5 3 Measurement Mode on page 34 RF Freq Nominal measurement frequency of the RF sig...

Page 109: ...nd SCOPE_FREQRF on page 261 7 4 2 Configuring the Amplitude Y Axis Access VNC w The amplitude settings configure the y axis of the spectrum Y Div 109 RF Att 109 RF Mode 110 Y Div Defines the value range displayed in each division of the y axis The full y axis range is eight times this value RF Att Determines how the attenuation of the RF signal is defined The attenuation should be adjusted such th...

Page 110: ...PE_ATTMODE on page 260 FTT_ATTMODE on page 257 IFSPECT_ATTMODE on page 253 RF Mode Defines the RF attenuation mode to be used Low Noise 15 dB pre amplification Provides a high sensitivity Suitable when scanning the area for dis tant signals Norm 0 dB Provides a normal sensitivity Low Dist 15 dB attenuation Provides a low sensitivity Suitable when analyzing a nearby signal to avoid overload due to ...

Page 111: ...ingle measurement is performed Trigger Source Determines how often and when a new sweep is performed Ext A measurement is performed each time a trigger signal from a con nected external trigger device is received The trigger device must be connected to the Trigger In connector on the rear panel of the R S EVSF1000 Level A measurement is performed when the input signal reaches the defined trigger l...

Page 112: ...r several sweeps and dis played The R S EVSF1000 saves each trace point in the trace memory only if the new value is greater than the previous one The Average Count determines the number of sweeps to evaluate RMS The RMS value for each trace point over several sweeps is deter mined and displayed The Average Count determines the number of sweeps to evaluate Remote command FFT_TRACEMODE on page 258 ...

Page 113: ...gnal data from a GBAS ground station in a frequency range between 108 025 MHz and 117 950 MHz with a channel spacing of 25 kHz Receiving SCAT I signal data from a SCAT I ground station in a frequency range between 108 025 MHz and 117 950 MHz with a channel spacing of 25 kHz Analyzing the RF characteristics signal strength and frequency accuracy of the GBAS SCAT I signal Demodulating decoding and d...

Page 114: ...proach and landing procedures as well as the termi nal area operations GBAS components The illustration in Figure 8 1 is a simplified representation of the GBAS three main components the GNSS satellite subsystem the airborne subsystem the GBAS ground subsystem The ground equipment consists of four reference GNSS receivers at exactly defined positions around the airport GBAS ground station and a VH...

Page 115: ... navigation algorithms from GPS This list outlines the three signals transmitted between the components and referred to as GBAS Signal in Space GNSS satellite to GBAS ground subsystem navigation signal GNSS satellite to GBAS airborne subsystem navigation signal GBAS ground subsystem to GBAS airborne subsystem VHF data broadcast Carrier frequencies and frequency channels The VHF data broadcast is d...

Page 116: ...nt Fictitious Threshold Point LTP FTP Flight Path Alignment Point FPAP Threshold Crossing Height TCH and the Glide Path Angle GPA Figure 8 3 Final Approach Segment FAS diagram according to 1 LTP FTP Landing Threshold Point Fictitious Threshold Point point at the center of the landing runway defined by its WGS84 coordinates GPIP Glide Path Intercept Point the point where the final approach path int...

Page 117: ...R S EVSF1000 see also Chapter 3 4 1 Basic Configuration and Status Display on page 22 For GBAS SCAT I mode the following measurement information is displayed F The channel frequency that determines the carrier frequency at which the measurement is performed See Frequency Freq on page 118 Tref Time reference indicates the status of the PPS signal from an external GPS device see Time reference statu...

Page 118: ...e currently active receiver board See Chapter 5 2 Receiver Board on page 33 Measurement mode The currently active measurement mode on the active receiver board in this case GBAS for both GBAS and SCAT I modes See Chapter 5 3 Measurement Mode on page 34 Frame The currently selected frame for which the results are displayed The most recent frame is referred to as T previous frames are T minus 1 T 1 ...

Page 119: ...y Update Status Mode Indicates whether the display is updated or not Note Data recording and streaming continue regardless of the display update status Run Display is updated continuously Pause Display is temporarily not updated 8 4 GBAS SCAT I Measurement Views and Results The GBAS SCAT I measurement provides both numerical and graphical results in vari ous views Sequence View 119 Frame View 121 ...

Page 120: ...he table update see Run Pause on page 132 Data recording and streaming however con tinue as usual When updating is resumed all frames in the table are updated Results for a single frame or slot The currently selected frame and slot are indicated by a dotted rectangle in the table To view the details for a particular frame or slot turn the rotary knob to scroll through the slots and frames When the...

Page 121: ...the color of the slot cell Green The status is OK The received burst passed the cyclic redundancy check CRC Red An error occured The received burst did not pass the cyclic redun dancy check CRC Gray No burst received 8 4 2 Frame View Access Meas View Frame To use the available spectrum most efficiently despite the low data rate GBAS trans missions use the Time Division Mulitple Access TDMA method ...

Page 122: ...ta recording and streaming however continue as usual When updating is resumed the displayed results in the view are updated The Frame view contains two different displays Chapter 8 4 2 1 Frame Power Vs Time Diagram on page 122 Chapter 8 4 2 2 Frame Results Table on page 123 8 4 2 1 Frame Power Vs Time Diagram The power vs time diagram displays the measured power per time normalized to the PPS sign...

Page 123: ... rectangle in the frame results table If a slot timing error or a signal level error occurs the slot is highlighted red To scroll through the parameters in the table for a single slot use the arrow keys up and down Burst Level Average Av dBm 124 Slot Level Peak Pk dBm 124 Carrier frequency offset Offs kHz 124 EVM RMS 124 GBAS ID 124 Training Sequence FEC Train FEC 124 Application Data App Dat 124 ...

Page 124: ... in relation to the ideal constellation point The EVM normalization reference is the mean constellation power GBAS ID 4 character identifier of the ground station broadcasting the message If there is more than one message inside the burst the first GBAS ID is displayed Training Sequence FEC Train FEC Training sequence status based on the FEC OK Training sequence correct NOK Training sequence not v...

Page 125: ...d B Number of received bursts that did not pass the cyclic redundancy check CRC and are thus considered invalid To reset the value use the Reset BER function Sync Sequence Sync us Position of the synchronization sequence within the burst in μs Overload Indicates a power overload at any of the input connectors which may account for inac curate results If an overload occurs an error message is also ...

Page 126: ...n updating is resumed the displayed results in the view are updated The Burst view contains two different displays Chapter 8 4 3 1 Slot Power vs Time Diagram on page 126 Chapter 8 4 3 2 Slot Results Table on page 127 Slot Power vs Time Diagram 126 Slot Results Table 127 8 4 3 1 Slot Power vs Time Diagram A power vs time diagram displays the measured power in the slot per time normalized to the PPS...

Page 127: ...isplayed in the diagram to view more details in a slot Zoom or outside of the slot Zoom Data points Shows or hides dots in the diagram indicating the measured data points Figure 8 6 Power vs time diagram with highlighted data points 8 4 3 2 Slot Results Table In the slot results table the slot details for the selected slot are displayed The results are the same as those displayed in the Frame Resu...

Page 128: ...and the measured values for the individual slot see Chapter 8 4 2 2 Frame Results Table on page 123 The constellation diagram shows the in phase and quadrature components of the received D8PSK symbols in the slot The in phase components I are displayed on the x axis the quadrature Q components on the y axis The eight ideal constellation points for D8PSK modulation are indicated by red dots The fol...

Page 129: ...t In addition to the message itself the header and footer are analyzed If the burst contains multiple messages they are listed in the table one after the other The data is interpreted from the received burst bitstream according to rules and data definitions configured in xml files You can configure the information provided in the Message view table using the message xml interface see Chapter 8 6 M...

Page 130: ...ary knob to scroll through the table 8 4 6 Recording View Access Meas View Rec The Recording view displays the recorded data for GBAS SCAT I measurements from the selected data list see List on page 161 If available the stored GPS data from the GPS receiver is also displayed GBAS SCAT I Measurement Views and Results ...

Page 131: ...is temporarily stopped by the Pause function see Run Pause on page 132 Start and stop recording from any measurement view using the Record key Record only the selected and currently dis played slot or frame using the Single key You can define which data is stored see Chapter 10 2 2 Recording Settings on page 160 For details on data logging see Chapter 10 2 Recording Measurement Data on page 159 Th...

Page 132: ...er 10 2 Recording Measurement Data on page 159 View Configuration 132 Frequency Configuration 133 Amplitude Configuration 133 Bandwidth Configuration 133 General Configuration 134 8 5 1 View Configuration The following functions are available to configure the GBAS SCAT I views except for the Recording view Access VNC A Run Pause 132 View 132 Frame 133 Slot 133 Run Pause Stops and resumes the displ...

Page 133: ...channel frequency that determines the carrier frequency at which the measure ment is performed The VHF data broadcast is defined for carrier frequencies within the range of 108 025 MHz to 117 950 MHz with a channel spacing of 25 kHz Remote command GBAS FREQRF on page 243 8 5 3 Amplitude Configuration Access VNC w The following settings define the amplification for the input signal RF Mode Defines ...

Page 134: ... connected USB storage device see Chapter 8 6 Message XML Interface on page 135 This is useful to create a customized definition without having to start from an empty file Import xml Imports a customized message type xml definition from a connected USB storage device to the R S EVSF1000 see Chapter 8 6 Message XML Interface on page 135 Note that this definition is only used if you set DEC DEF to C...

Page 135: ...ain specific outputs for example or to accomodate the output to changes in the specifications However a good knowledge of the ICAO AN10 Vol1 3 and RTCA DO 217 2 specifications is essential to understand the transformation process The R S EVSF1000 provides a default set of xml files for an initial message type defi nition These files are stored internally on the instrument You can export the files ...

Page 136: ... usually produces a value or text as output 2 The parser applies the next instruction on the subsequent bits of the bitstream As a result either an output is produced or further instructions are provided Fur ther instructions can be provided in additional xml files or depend on the current bitstream value or on a previous value see Control elements on page 138 3 The parser continues to process the...

Page 137: ...parser bitstream parser bitstream parser Interpretation Step 1 Step 2 Step n Output in Message view table Interpretation XML file 8 6 2 Output Elements and Control Elements Different types of elements are supported to interpret all existing values in a GBAS burst However the types are generic and can be configured to handle other values as well Many elements simply convert a binary value in the bi...

Page 138: ...more messages The messages have different message types with different content The content of the same message type can depend on certain parameters which are only known during runtime Therefore control elements such as a case dependent branch to a further XML file are supported Example Case dependent processing This example shows how the parser is directed to different instructions which are stor...

Page 139: ... the current recording are stored in a sub directory that is exported together with the basic CSV file The file with the human readable text values contains the data that is displayed in the Message view Example One row of data from the basic CSV file for list number 20 gbas_rx1_list20 csv 1 3 18 09 2018 14 29 57 844 D 108 0000 0 000 8 15 4 63 7 0 CMJ NOK 4 NOK 0 0e 00 882 20 553 481 0 00 00 00000...

Page 140: ...identical for all messages This is the basic root file for interpretation GbasMsgBlock xml describes the LAAS message block This file is referred to by Burst xml and can refer to further xml files GbasMsgType x xml describes each message type in an individual file These files are referred to by Burst xml and can refer to further xml files Figure 8 7 Examples for xml message interpretation files le...

Page 141: ...stream consists of a number of elements The first elements are the same for all bursts Power stabilization 15 bits Synchronicity ambiguity resolution 48 bits SSID 3 bits Transmission length 17 bits This general information is provided in the Burst xml file which is the start file for conversion The root element in this file is Gbas which means the file starts with Gbas and ends with Gbas Within th...

Page 142: ...ontent_short A short description or unique keyword used to reference the element Select the name carefully changing the name later can cause errors in the functionality of other elements type Determines how the parser processes the element The element type determines how the data is interpreted Depending on the type further elements can be mandatory 8 6 5 Output Elements Unsigned Type 142 Signed T...

Page 143: ...C_DUR data_content_short bits_used 8 bits_used type unsigned type special value 254 value name gt 2540 name special special value 255 value name not provided name special resolution 10 resolution unit s unit Element 8 6 5 2 Signed Type Interprets the value in a given number of bits as a signed integer value in decimal for mat Table 8 7 Mandatory subelements Name Description bits_used Static number...

Page 144: ... positive and W West for negative values Table 8 9 Mandatory subelements Name Description bits_used Static number of bits Table 8 10 Optional subelements Name Description resolution Determines the resolution of the element contents e g a result value The value is multiplied with the resolution factor to obtain the output result Note that the number of decimals of the resolution factor also defines...

Page 145: ...mat with E East for positive and W West for negative values Table 8 12 Mandatory subelements Name Description bits_used Static number of bits Table 8 13 Optional subelements Name Description resolution Determines the resolution of the element contents e g a result value The value is multiplied with the resolution factor to obtain the output result Note that the number of decimals of the resolution...

Page 146: ...Example Element data_content GBAS ID data_content data_content_short GBAS_ID data_content_short type id type Element 8 6 5 6 Fixed Type The fixed type element expects a certain number of bits to have a specific value If the incoming bitstream matches the result value is OK otherwise it is NOK Table 8 15 Mandatory subelements Name Description bits Binary bitstream content made of 0 and 1 Example El...

Page 147: ...a without evaluation Table 8 17 Mandatory subelements Name Description bits_used Static number of bits Example Element data_content Ephemeris CRC LSB data_content data_content_short EPH_CRC_LSB data_content_short bits_used 8 bits_used type value type Element 8 6 5 9 CRC Type Calculates a checksum and compares it with the given value Evaluates to OK or NOK Table 8 18 Mandatory subelements Name Desc...

Page 148: ...Bits used Value Binary Message Block CRC 32 OK 11100000011100100001110100100100 8 6 5 10 List Type Converts different integer values to text output Requires a list subelement for each pair of name and value Table 8 20 Mandatory subelements Name Description bits_used Static number of bits list Pair of name and value subelements Multiple list elements allowed name Provided result text value Result v...

Page 149: ...re undefined values use the list type Table 8 21 Mandatory subelements Name Description bits_used Static number of bits enum Texts to be output for specific number values Multiple enum elements allowed and required The number of enum subelements must equal the number of possible results for the number of bits_used Number values are implicitly defined as the order number of the enum subelement and ...

Page 150: ...n Element data_content Unknown Additional Block data_content data_content_short UnBlk data_content_short type dummy type Length AddBlkLen Length Start AddBlkLen Start Element 8 6 6 Control Elements Link_sel Type 150 Loop Type 153 While Type 153 8 6 6 1 Link_sel Type Depending on the result of the selected element processing continues with the speci fied element or subprocess Requires a link_sel an...

Page 151: ...ta_content Message data_content data_content_short MSG data_content_short type link_sel type link_sel MTI link_sel link_case value 1 value link GbasMsgType1 xml link link_case link_case value 2 value link GbasMsgType2 xml link link_case link_case value 4 value link GbasMsgType4 xml link link_case link_case value default value link GbasMsgTypeX xml link link_case Element Example Link selector with ...

Page 152: ...ed type Element Element data_content Delta Latitude data_content data_content_short DLat data_content_short bits_used 8 bits_used type signed type resolution 0 2 resolution unit unit Element link_case link_case value 3 value sub Element data_content K md e D GPS data_content data_content_short KmdeDGps data_content_short bits_used 8 bits_used type unsigned type resolution 0 05 resolution unit unit...

Page 153: ...content data_content_short Z_COUNT data_content_short bits_used 8 bits_used type unsigned type resolution 1 resolution Element Element data_content Issue of Data IOD data_content Element Loop Element 8 6 6 3 While Type Repeats the included elements while there are enough bits left to proceed Table 8 25 Mandatory subelements Name Description BitsLeft Number of bits required at the end of the loop t...

Page 154: ...ent Message Block Header data_content data_content_short MB_HEAD data_content_short type link_sel type link_case link GbasMsgBlock xml link link_case Element Loop Element 8 6 7 Auxiliary Elements Fill Type 154 8 6 7 1 Fill Type Used for the transmission end It determines the number of bits that are left in the data stream This number is usually 0 Otherwise the fill element indicates how many bits ...

Page 155: ... indicated by a highlighted softkey Up to four markers can be active at the same time Markers 2 to 4 can be either normal markers or delta markers A normal marker indicates the absolute signal value at the defined position in the diagram A delta marker indicates the value of the marker rela tive to marker 1 Activating Deactivating a marker 155 Marker type Type Mrk 2 4 156 Deactivating all markers ...

Page 156: ...j F1 Deactivates all markers in the diagram Moving a marker to a peak in the diagram Access VNC o F1 F2 Sets the currently active and selected marker indicated in the softkey to the highest or next highest peak detected in the diagram If no marker is active or selected this function has no effect To select a marker see Activating Deactivating a marker on page 155 Adapting the center frequency to t...

Page 157: ...se cause of the error In these cases you can store and recall instrument and measurement settings Up to 20 different settings referred to as UserPresets can be stored and recalled on the instru ment Settings stored in a UserPreset In each UserPreset the following current settings are stored All measurement settings see Chapter 4 Measurements and Results on page 30 All general instrument settings e...

Page 158: ...e to USB 159 Recall 159 Recall from USB 159 Delete 159 Rename 159 Preset When delivered the R S EVSF1000 has a default configuration You can restore this defined initial state at any time as a known starting point for measurements Presetting is often recommendable as a first step in troubleshooting when unusual measurement results arise Two different preset functions are available the simple prese...

Page 159: ...can be edited The files are stored to the subdirectory EVSF1000_PRESETS Recall Overwrites the current measurement settings by the settings stored in the selected UserPreset Recall from USB Overwrites the current measurement settings by the settings stored in the selected UserPreset on a connected USB storage device Delete Deletes the settings and the name assigned to the selected UserPreset Rename...

Page 160: ...r numeric measurement modes only Recording GBAS SCAT I measurement results In GBAS SCAT I mode one record is stored for each slot in a time interval of 62 5 ms as long as recording is active Triggering is not supported Recording is continued even if the display update is temporarily stopped by the Pause function You can start and stop recording from any measurement view using the Record key You ca...

Page 161: ...s In GBAS SCAT I mode one record is stored for each slot in a time interval of 62 5 ms as long as recording is active The time interval cannot be edited Data selection Sel not GBAS SCAT I mode By default the whole data set is recorded You can configure the scope of the data to be displayed and exported For details on the individual data sets see the remote com mand SELECTLISTPARAM on page 266 All ...

Page 162: ...for the corresponding slot To toggle between the slots A to D and slots E to H in the menu press the More soft keys key Export List to USB Exports the data list to a connected USB storage device Remote command SAVEACTIVELIST2USB on page 266 10 2 3 Activating Data Recording By default data is recorded in a specific time interval see Time on page 161 as long as recording is active Alternatively you ...

Page 163: ...rigger device is received The trigger device must be connected to the Trigger In connector on the rear panel of the R S EVSF1000 Trigger Edge Access VNC k F5 For external triggering this setting defines whether data is stored when the positive rising or negative falling edge of the trigger signal is received Select the key repeat edly to toggle between the two settings Recording a single data reco...

Page 164: ...NG file A dialog box with the default file name is displayed To change the name of the file on the USB device click in the name field and overwrite the default name Note however that the file is also stored inter nally and the file name remains unchanged Thus if you export all screenshots to a USB device later the same screenshot is stored with the internal name again The Number of Screenshots ind...

Page 165: ...creenshots to a USB device All internally stored screenshots on the R S EVSF1000 are stored as PNG files in the main directory of the connected USB device The file name is defined by the following syntax EVSx_ date _ time _converted png where the _converted suffix is only applied to screenshots with inverted colors Deleting all Screenshots Stored on the R S EVSF1000 All screenshots stored on the R...

Page 166: ...tings Access VNC c Not in Preset view Audio output is available at the loudspeaker on the rear panel or the headphones con nector on the front panel of the R S EVSF1000 For example the demodulated identifier in ILS mode is output as a 1020 Hz morse sig nal AF Volume 166 Squelch 166 Demod 167 Audio BW 167 Speaker 167 KB Beep 167 AF Volume Defines the volume of the AF output at the at the loudspeake...

Page 167: ... SETUP SPEAKER on page 191 KB Beep Enables or disables a tone when a key on the keyboard is pressed This is useful as feedback during operation in a noisy environment 11 2 Display Access VNC v Not in Preset view Some general settings are available for the VNC display of the R S EVSF1000 RX Unit 1 RX Unit 2 167 Level View 168 RX Unit 1 RX Unit 2 Select the receiver board whose settings and results ...

Page 168: ...ls Digits The level value is displayed numerically as digits Bargraph The level value is displayed graphically as a bargraph Remote command SETUP UNIT BARGRAPH on page 186 11 3 Network Remote Settings Access VNC n F4 The following settings are required to operate the R S EVSF1000 in a network for example from a controller PC Network Remote Settings ...

Page 169: ...gu ration Protocol DHCP all address information can be assigned automatically In this case the TCP IP parameters are not editable The currently used settings are indica ted as Used IP Address Used IP Netmask Used IP Gateway If the network does not support DHCP the addresses must be set manually By default the instrument is configured to use dynamic TCP IP configuration and obtain all address infor...

Page 170: ...ess Select input one or the other is used see Chap ter 3 3 2 11 IP Address Select R S EVSF1 B4 only on page 21 The mini display indicates the currently used address Example 172 17 40 139 Example With R S EVSF1 B4 option With the configuration shown in Figure 11 1 if the IP Address Select pin 3 of the ARINC connector is connected to ground the address configured as TCP IP Address 2 is used 10 255 2...

Page 171: ... DHCP is activated the assigned IP address is displayed Used IP Netmask If DHCP is activated the assigned netmask is displayed Used IP Gateway If DHCP is activated the assigned gateway address is displayed 11 4 System Settings Access VNC n F5 The following settings configure the general instrument system Date 171 Time 172 Boot on Power Up 172 Flash size Flash used 172 Date Sets the date of the int...

Page 172: ...talled Options 175 Inventory 176 SW Update 177 Auto Calibration Cal Access VNC n F8 F1 Auto calibration corrects changes in the attenuation characteristics of the internal RF signal paths on both receiver boards if available using an internal calibration signal These changes can occur due to the aging process or temperature drifts The calibra tion optimizes the accuracy of the level measurements T...

Page 173: ...error still exists contact the Rohde Schwarz service It is recommended that you perfom an auto calibration every 2 months or if the differ ence of the environment temperature changes by more than 10 C Remote command AUTOKALSTATUS on page 200 KALSCREEN on page 201 STARTKAL on page 201 GETKALSTATUS on page 201 Error Log Access VNC n F8 F2 The last 100 instrument status messages or errors displayed i...

Page 174: ...support Send the copied error file to the Rohde Schwarz support center for troubleshooting Delete all error messages Error Log Deletes all entries in the error log irrevocably Remote command CLEARERRORLOG on page 192 HW Status Access VNC n F8 F3 The hardware status overview provides information on the current operating status of the individual hardware components in the R S EVSF1000 individually f...

Page 175: ... An error message is created in the error log see Error Log on page 173 The measured test voltage is indicated in red UNCAL is displayed in the measurement window to indicate the measured values may be invalid Remote command BI on page 192 GETTEMP on page 193 Installed Options Access VNC n F8 F4 Displays a table with the currently installed option keys For all purchased R S EVSF1000 options a lice...

Page 176: ...ty is indicated If the expiry date has passed the license becomes invalid Additional information on the selected option is displayed below the table Remote command GETOPTIONS on page 192 Inventory Access VNC n F5 The hardware and software inventory list provides information on the hardware version of the instrument integrated modules options etc and on the currently installed soft ware versions Ad...

Page 177: ...e extension evs and must be located in the main directory of the USB device The search may take a few seconds When the software has been found press the ENTER key to confirm the message to install the software Note Never remove the USB device or switch off the instrument during a software update Otherwise an undefined software state might be the result 11 6 GPS Configuration Access VNC n F8 F6 If ...

Page 178: ...nsmission of GPS coordinates via a serial interface Supported values are from 300 ms to 1000 ms Remote command SETUP SETGPSDELAY on page 197 PPS Sync Activates deactivates synchronization between the GPS time in the stored data sets and the PPS signal provided by the GPS receiver Note PPS input recommended It is strongly recommended that you connect the PPS signal of the GPS receiver to the PPS In...

Page 179: ... of the incoming PPS signal RS232 rise Stored GPS time is synchronized to the rising edge of the incoming GPS signal RS232 fall Stored GPS time is synchronized to the falling edge of the incoming GPS signal Remote command SETUP PPS_SYNC on page 197 Interface Determines the interface used to connect a GPS receiver RS 232 See Chapter 3 3 2 2 RS 232 GPS on page 18 USB Chapter 3 3 1 2 USB Connectors 2...

Page 180: ... board directly any command can be preceded by the prefix 1 or 2 followed by the command Example Set frequency of RX board 1 1 RF108100 Example Get DDM from RX board 2 2 DD0 12 1 Common Instrument and Measurement Setup The following commands are required to configure general instrument and measure ment settings that are independant of the measurement mode Common Measurement Settings 180 Signal Inp...

Page 181: ...ned Parameters result type Outputs the measurement result as one of the listed types FULL EVS300 compatibility mode ALL All values of the current measurement mode are sent as comma separated text using actual units MEDIUM A fixed selection of parameters is exported SHORT A short fixed selection of parameters is exported RX Board Output measurement result for the selected RX board 1 RX board 1 sele...

Page 182: ...arameters is exported RX Board Selects the RX board for which results are exported 1 RX board 1 selected 2 RX board 2 selected 1 2 Both RX boards selected Return values Results Comma separated list of header data for the selected results State READY The command was executed successfully LA This command queries the RF signal level in numeric measurement modes Return values signal level RF signal le...

Page 183: ... channel on the active receiver board according to the ICAO frequency list or returns the currently defined channel Parameters Channel The specified ICAO channel for the measurement See Chap ter A ILS Channel Frequency List on page 275 Return values State READY The command was executed successfully Manual operation See CH on page 52 SETATTMODE This command selects the attenuation of the active mod...

Page 184: ...XTERNALATT_RX1 Attenuation Gets or sets the external attenuation of RX1 IN Parameters Attenuation External attenuation Default unit dB Return values State READY The command was executed successfully SETUP EXTERNALATT_RX2 SETUP EXTERNALATT_RX2 Attenuation Gets or sets the external attenuation of RX2 IN Parameters Attenuation External attenuation Default unit dB Return values State READY The command...

Page 185: ...power sensor GETNRPPOW Gets the current NRP power sensor level Return values level Power sensor level Default unit dBm 12 1 3 Result Display Settings The following commands are required to configure the result displays for measure ments SETUP UNIT BARGRAPH 186 SETUP UNIT BARGRAPH 186 SETUP UNIT DDM 186 SETUP UNIT DDM 186 SETUP UNIT ILSPHASE 186 SETUP UNIT ILSPHASE 186 SETUP UNIT LEVEL 187 SETUP UN...

Page 186: ... Bargr on page 56 See Level View on page 168 SETUP UNIT DDM SETUP UNIT DDM Unit This command sets the DDM unit Parameters Unit 1 Sets DDM unit as dimensionless uA Sets DDM unit as μA PCT Sets DDM unit as percentage Return values State READY The command was executed successfully Manual operation See DDM Unit on page 55 SETUP UNIT ILSPHASE SETUP UNIT ILSPHASE ILS phase This command gets or sets the ...

Page 187: ...e command was executed successfully SETUP UNIT POLARITYDDM SETUP UNIT POLARITYDDM Value This command gets or sets the DDM polarity The phase is represented as unipolar if between 0 120 Parameters Value 90 150 Sets DDM polarity as 90 150 150 90 Sets DDM polarity as 150 90 Return values State READY The command was executed successfully Manual operation See DDM Polarity on page 56 SETUP UNIT SDM SETU...

Page 188: ... The command was executed successfully Manual operation See Upper Freq on page 51 SETUP UNIT VORDIRECTION SETUP UNIT VORDIRECTION Direction This command gets or sets the VOR direction point of view Parameters Direction from to Sets the VOR direction point of view as from or to Return values State READY The command was executed successfully Manual operation See Signal Direction on page 81 12 1 4 Au...

Page 189: ...og Out 2 Parameters Source CH1_DDM CH2_DDM CH1_BB_FULL CH2_BB_FULL CH1_BB_AUDIO CH2_BB_AUDIO Return values State READY The command was executed successfully SETUP AUDIOBW output volume This command specifies the bandwidth for audio output Parameters output volume FULL VOICE ID_NOTCH V_ID_NOTCH FULL Full bandwidth is output VOICE Voice frequencies 3 kHz output ID_NOTCH ID frequency 1020 Hz output V...

Page 190: ...ANGE_GS Channel Range This command selects a predefined DDM range The command is active for analog output in ILS glidepath mode Parameters Channel 1 Selects input source for channel 1 2 Selects input source for channel 2 Range Range 1 to 4 Return values State READY The command was executed successfully SETUP DEMOD_OUT SETUP DEMOD_OUT Mode Gets or sets the Demodulation Out mode Parameters Mode OFF ...

Page 191: ...volume Range 0 to 100 Default unit Return values State READY The command was executed successfully Manual operation See AF Volume on page 166 SQUELCH SQUELCH Level This command gets or sets the squelch level of the active mode ILS LOC ILS GP ILS MB VOR or COM mode Parameters Level Squelch level of active mode Default unit dBm Return values State READY The command was executed successfully Manual o...

Page 192: ...on page 174 CLEARERRORLOG This command clears the error log Return values State READY The command was executed successfully Manual operation See Delete all error messages on page 174 GETERRORLOG SETUP GETERRORLOG Returns the error log Return values string Entries of the error log GETOPTIONS This command returns a list of installed and available options Return values list of options Examples ILS CR...

Page 193: ...nformation serial numbers of device and boards Return values Inv Info Usage Query only Manual operation See Inventory on page 176 OPTIONGETCHECKED Check if all options are available Return values Option State true The option is availabe false The option is not available Example OPTIONGETCHECKED K1 true K2 true K3 true K4 false SAVEDATA This command stores the current settings in the Flash This sto...

Page 194: ...GETGPSGPHDT 195 GETGPSGPRMC 195 GETGPSGPGSA 195 GETGPSGPGSV 195 GETGPSGPTRF 195 GETGPSGPVBW 196 GETGPSGPVTG 196 GETGPSGPXTE 196 GETGPSGPZDA 196 SETUP SETGPSINTERFACE 196 GETGPSUNDULATION 196 SETUP SETGPSBAUDRATE 197 SETUP SETGPSDELAY 197 SETUP PPS_SYNC 197 SETUP PPS_SYNC 197 SETUP GPSREF 198 SETUP REFLAT 198 SETUP REFLAT 198 SETUP REFLONG 198 SETUP REFLONG 198 SETUP TIMESYNC 199 SETUP TIMESYNC 199...

Page 195: ... message The last incoming GPHDT message GETGPSGPRMC This command requests the last incoming GPRMC message from the GPS receiver Parameters message The last incoming GPRMC message GETGPSGPGSA This command requests the last incoming GPGSA message from the GPS receiver Return values message The last incoming GPGSA message GETGPSGPGSV This command requests the last incoming GPGSV message from the GPS...

Page 196: ... message from the GPS receiver Return values message The last incoming GPXTE message GETGPSGPZDA This command requires the last incoming GPZDA message from the GPS receiver Return values message The last incoming GPZDA message SETUP SETGPSINTERFACE Connector Determines the interface used to connect a GPS receiver Parameters Connector RS_232 RS 232 interface USB USB interface USB_UBLOX USB u blox i...

Page 197: ...TE This setting has no effect when using PPS synchronization Parameters Delay Specify the delay compensation Default is 100 ms Range 500 to 500 Default unit ms Return values State READY The command was executed successfully Manual operation See GPS Delay on page 178 SETUP PPS_SYNC SETUP PPS_SYNC synchronization Gets or sets the PPS synchronization for the instrument Parameters Synchronization OFF ...

Page 198: ...n using this command Parameters Latitude degrees minutes direction Latitude of the reference point in degrees minutes decimal for mat and direction S N Longitude degrees minutes direction Longitude of the reference point in degrees minutes decimal format and direction W E Example SETUP GPSREF 89 44 123456789S 23 55 123456789S SETUP REFLAT SETUP REFLAT Latitude Gets or sets the latitude of the GPS ...

Page 199: ...al Example SETUP TIMESYNC OFF 12 1 7 System Settings The following commands are required to configure basic system settings FACTORY_PRESET 199 SETUP ENERGYSAVER 199 SETUP BOOTONPOWERUP 200 WAIT4EXE 200 FACTORY_PRESET This command restores the factory default settings the IP settings and Data logger lists will be not modified Return values State READY The command was executed successfully Manual op...

Page 200: ...oot on Power Up on page 172 WAIT4EXE State Sets the behavior of the status message READY Parameters State ON The READY message is delayed until every command is exe cuted OFF The READY message is returned as soon as a command is syntactically accepted Return values State READY The command was executed successfully 12 1 8 Calibration The following commands are required to perform and analyze calibr...

Page 201: ... screen Return values State READY Command was executed successfully Manual operation See Auto Calibration Cal on page 172 STARTKAL This command launches the auto calibration for current RX board The command returns immediately while the calibration takes several minutes To find out when the calibration is ready use the GETKALSTATUS command Return values State READY The command was executed success...

Page 202: ...LO command Return values State READY The command was executed successfully RLC State REMOTELOCK State This command deactivates activates local operation by keyboard Parameters State ON If set no local operation by keyboard is possible OFF The R S EVSF1000 must be set to OFF or must be restarted to activate local operation by keyboard Return values State READY The command was executed successfully ...

Page 203: ...rol programs use the following commands MODE_LOC on page 205 MODE_LOC on page 205 MODE_GP on page 205 MODE_MB on page 226 MODE_VOR on page 231 MODE_COM on page 237 MODE_FSCAN on page 248 MODE_IFSPECT on page 253 MODE_FFT on page 256 MODE_SCOPE on page 260 M 203 MB 204 MI 204 MV 204 M This command queries the current active mode Return values ActiveMode ILS_LOC ILS Localizer mode ILS_GP ILS Glide P...

Page 204: ...lues State READY The command was executed successfully MV This command switches the instrument to the VOR mode Return values State READY The command was executed successfully 12 2 ILS Localizer LOC and Glidepath GP Modes The following commands are required to configure and perform measurements in the ILS Localizer and Glidepath modes Configuring the ILS LOC and GP Modes 205 Configuring ILS Localiz...

Page 205: ...ds are required to configure ILS Loc measurements DEMODE_LLZ 206 DEMODE_LLZ 206 LLZ_CARRIER_THRESHOLD_DB 206 LLZ_CARRIER_THRESHOLD_DB 206 LLZ_DEM_WIDE_BW 206 LLZ_DEM_WIDE_BW 206 LLZ_DEM_ID_BW 207 LLZ_DEM_ID_BW 207 LLZ_DEM_1F2F_BW 207 LLZ_DEM_1F2F_BW 207 LLZ_DEMFREQS_OFFSET_1F 207 LLZ_DEMFREQS_OFFSET_1F 207 LLZ_DEMFREQS_OFFSET_AUTOMAN 208 LLZ_DEMFREQS_OFFSET_AUTOMAN 208 LLZ_DEMFREQS_OFFSET_LOWERFRE...

Page 206: ...it can be the upper or lower carrier frequency WIDE In the wideband mode 1 frequency and 2 frequency systems can be analyzed Both carriers are inside one filter and can be demodulated together Note In this mode there is no configuration and display of the carrier offset Return values State READY The command was executed successfully LLZ_CARRIER_THRESHOLD_DB LLZ_CARRIER_THRESHOLD_DB Threshold Gets ...

Page 207: ...ssfully Manual operation See BW Dist ID on page 54 LLZ_DEM_1F2F_BW LLZ_DEM_1F2F_BW Bandwidth Gets or Sets the 1F2F demodulator bandwidth in ILS LOC mode Parameters Bandwidth 1KHZ 3KHZ 6KHZ 10KHZ Return values State READY The command was executed successfully Manual operation See BW 1F 2F on page 54 LLZ_DEMFREQS_OFFSET_1F LLZ_DEMFREQS_OFFSET_1F Freq Offset Gets or sets the demodulator 1F frequency ...

Page 208: ...FSET_LOWERFREQ LLZ_DEMFREQS_OFFSET_LOWERFREQ Freq Offset Gets or Sets the demodulator lower frequency offset in ILS LOC mode Parameters Freq Offset Lower frequency offset Default unit kHz Return values State READY The command was executed successfully Manual operation See CRS CLR Carr on page 50 LLZ_DEMFREQS_OFFSET_UPPERFREQ LLZ_DEMFREQS_OFFSET_UPPERFREQ Freq Offset Gets or Sets the demodulator up...

Page 209: ...SIDFM NARROW Manual operation See Res FM Filt ILS only on page 54 LLZ_START_FINDCARRIER Starts to search for a carrier in ILS LOC mode Return values State READY The command was executed successfully Manual operation See Find Carrier on page 51 VIEW_GS VIEW_GS View type Gets or sets the view in ILS GP mode See Chapter 6 1 3 ILS Localizer and Glide path Measurements and Results on page 37 for detail...

Page 210: ... 2 3 Configuring ILS Glidepath Measurements The following commands are required to configure ILS GP measurements DEMODE_GS 211 DEMODE_GS 211 GS_CARRIER_THRESHOLD_DB 211 GS_CARRIER_THRESHOLD_DB 211 GS_DEM_1F2F_BW 211 GS_DEM_1F2F_BW 211 GS_DEM_ID_BW 212 GS_DEM_ID_BW 212 GS_DEM_WIDE_BW 212 GS_DEM_WIDE_BW 212 GS_DEMFREQS_OFFSET_AUTOMAN 212 GS_DEMFREQS_OFFSET_AUTOMAN 212 GS_DEMFREQS_OFFSET_1F 213 GS_DE...

Page 211: ... it can be the upper or lower carrier frequency WIDE In the wideband mode 1 frequency and 2 frequency systems can be analyzed Both carriers are inside one filter and can be demodulated together Note In this mode there is no configuration and display of the carrier offset Return values State READY The command was executed successfully GS_CARRIER_THRESHOLD_DB GS_CARRIER_THRESHOLD_DB Threshold Gets o...

Page 212: ...DE_BW Bandwidth Gets or sets the WIDE demodulator bandwidth in ILS GP mode Parameters Bandwidth 1KHZ 3KHZ 6KHZ 10KHZ 18KHZ 25KHZ 36KHZ 50KHZ Return values State READY The command was executed successfully Manual operation See BW Wide on page 54 GS_DEMFREQS_OFFSET_AUTOMAN GS_DEMFREQS_OFFSET_AUTOMAN Mode Gets or sets the mode of the demodulator frequency offset in ILS GP mode Parameters Mode AUTO Se...

Page 213: ...ers Freq Offset Lower frequency offset Default unit kHz Return values State READY The command was executed successfully Manual operation See CRS CLR Carr on page 50 GS_DEMFREQS_OFFSET_UPPERFREQ GS_DEMFREQS_OFFSET_UPPERFREQ Freq Offset Gets or Sets the demodulator upper frequency offset in ILS GP mode Parameters Freq Offset Upper frequency offset Default unit kHz Return values State READY The comma...

Page 214: ...age 268 Remote commands exclusive to ILS Loc and GP results AC8 215 AF2 215 AF3 215 AF8 215 AM2 215 AM2CLR 215 AM2CRS 216 AM3 216 AM3CLR 216 AM3CRS 216 AM8 216 AM9 216 AMMOD240 217 DCLR 217 DCRS 217 DD0 217 DD1 217 FCLR 217 FCRS 218 FSINGLE 218 K2_150 218 K2_90 218 K3_150 218 K3_90 218 K4_90 219 K4_150 219 LCLR 219 LCRS 219 PH 219 PH_90_90 219 PH_150_150 219 RESIDFM_90 220 RESIDFM_150 220 SCLR 220...

Page 215: ...urn values Hz AF3 value of the frequency Manual operation See Freq 150 Hz on page 42 AF8 This command queries the AF frequency of the identifier LLZ only Return values Hz AF8 value of the frequency Manual operation See ID Freq on page 47 AM2 This command shows the AM modulation depth of 90 Hz signal Return values AM modulation depth value of 90 Hz Manual operation See AM 90 Hz on page 42 AM2CLR Th...

Page 216: ... the AM modulation depth of 150 Hz clearance signal Return values AM modulation depth value of 150 Hz clearance signal Manual operation See AM 150 Hz on page 42 AM3CRS This command shows the AM modulation depth of 150 Hz course signal Return values AM modulation depth value of 150 Hz course signal Manual operation See AM 150 Hz on page 42 AM8 This command queries the AM modulation of identifier LL...

Page 217: ... the current DDM Course value Return values DDM_CRS 1 DDM Course Value dimensionless Manual operation See DDM 90 150 on page 41 DD0 This command queries the current DDM value Return values DDM 1 DDM value dimensionless Manual operation See DDM 90 150 on page 41 DD1 This command queries the current DDM value Return values DDM µA DDM value μA Manual operation See DDM 90 150 on page 41 FCLR This comm...

Page 218: ...alue of 150 Hz signal Manual operation See K2 150 Hz on page 44 K2_90 This command queries the K2 distortion parameter of 90 Hz signal Return values K2 distortion value of 90 Hz signal Manual operation See K2 90 Hz on page 43 K3_150 This command queries the K3 distortion parameter of 150 Hz signal Return values K3 distortion value of 150 Hz signal Manual operation See K3 150 Hz on page 44 K3_90 Th...

Page 219: ...lue of 150 Hz signal Manual operation See K4 150 Hz on page 45 LCLR This command queries the current Clearance Level value Return values dBm Clearance Level value in dBm LCRS This command queries the current Course Level value Return values dBm Course Level value in dBm PH Phase shift between 90 Hz 150 Hz Return values Phase shift Manual operation See PHI 90 150 on page 42 PH_90_90 Phase shift bet...

Page 220: ...nd queries the current SDM Clearance value Return values SDM_CLR 1 SDM Clearance Value dimensionless Manual operation See SDM 90 150 on page 41 SCRS This command queries the current SDM Course value Return values SDM_CRS 1 SDM Course Value dimensionless Manual operation See SDM 90 150 on page 41 SD0 This command queries the current SDM value Return values SDM 1 SDM value dimensionless Manual opera...

Page 221: ... The following commands are required to retrieve ILS Loc identifier results ID_DASH_LENGTH 221 ID_DOT_LENGTH 221 ID_DOTDASH_GAP 222 ID_LETTER_GAP 222 ID_PERIOD 222 LASTID_TIME 222 ID_DASH_LENGTH Queries the length of time a dash is transmitted in the used Morse code in ILS LOC mode Return values Time Dash time of ID signal Default unit ms Manual operation See Dash Length on page 47 ID_DOT_LENGTH Q...

Page 222: ...IOD Queries the periodic time between two measured ID pulses in ILS LOC mode Return values Time Periodic time between two ID pulses Default unit s Manual operation See ID Period on page 47 LASTID_TIME Queries the time since last valid ID pulse was measured in ILS LOC mode Return values Time Time since last valid ID pulse Default unit s Manual operation See Last ID on page 46 12 2 6 Deprecated Comm...

Page 223: ...rse or Clearance measurement mode SINGLE_MOD Sets single frequency measurement mode WIDEBAND_MOD Sets wideband frequency measurement mode CRS CLR_THD Sets the Course and Clearance THD distortion value COURSE_THD Sets the Course THD distortion value CLEAR_THD Sets the Clearance THD distortion value SINGLE_THD Sets single frequency THD distortion value WIDEBAND_THD Sets wideband frequency THD distor...

Page 224: ...of DDM level measurement results The output rate is defined by the current measurement time Values are separated by a TAB ASC 09 DDM 1 RF level dBm The command FA0 stops the output Return values State READY The command was executed successfully FA2 This command activates the continuous repetition of a set of values The output rate is defined by the current measurement time All values are transmitt...

Page 225: ...cessfully FA5 The same as FA1 on page 224 but output is preceded by the time in ms since the FA5 is started The command FA0 stops the output Return values State READY The command was executed successfully 12 3 ILS Marker Beacon MB Mode The following commands are required to configure and perform measurements in the ILS Marker beacon mode Configuring ILS MB Measurements 225 Retrieving ILS MB Result...

Page 226: ...s executed successfully VIEW_MB VIEW_MB View type This command selects a view type for the MB mode Parameters View type MAIN DIST LOG Available views for the MB mode Return values State READY The command was executed successfully 12 3 2 Retrieving ILS MB Results The following commands are required to retrieve results from ILS MB measurements Useful commands for retrieving results described elsewhe...

Page 227: ...nd queries the AF frequency of 1300 Hz signal Return values Hz Provides the AF5 frequency in Hz Manual operation See Freq 1300 Hz on page 61 AF6 This command queries the AF frequency of 400 Hz signal Return values Hz Provides the AF6 frequency in Hz Manual operation See Freq 400 Hz on page 60 AF7 This command queries the AF frequency of the identifier Return values Hz Provides the identifier s fre...

Page 228: ...entifier Return values Provides the AM7 modulation in 12 3 3 Retrieving ILS MB Identifier Results The following commands are required to retrieve identifier results from ILS MB mea surements ID_F400_DASHLEN 228 ID_F1300_DASHLEN 228 ID_F1300_DOTLEN 229 ID_F3000_DOTLEN 229 ID_F400_GAP 229 ID_F1300_GAP 229 ID_F3000_GAP 229 ID_F400_DASHLEN Queries the dash time of 400 Hz signal in ILS MB mode Return v...

Page 229: ...ime Length of time a dot is transmitted for the inner marker Default unit ms Manual operation See 3000 Hz Dot on page 62 ID_F400_GAP Queries the dash dash gap time of 400 Hz signal in ILS MB mode Return values Time Length of time that passes between two transmitted dashes for the outer marker Default unit ms Manual operation See 400 Hz Gap on page 62 ID_F1300_GAP Queries the dash dot gap time of 1...

Page 230: ...5 and Chapter 12 11 Data Management on page 263 FA0 230 FA2 230 FA0 This command stops the continuous output that was started with FA2 Return values State READY The command was executed successfully FA2 This command activates the continuous repetition of a set of values The output rate is defined by the current measurement time All values are transmitted as integer values multiplied with a constan...

Page 231: ... VOR measurements described elsewhere RFCH on page 183 Remote commands exclusive to VOR measurements MODE_VOR 231 VIEW_VOR 231 VIEW_VOR 231 VOR_DEM_BW 231 VOR_DEM_BW 231 MODE_VOR The MODE_VOR command is identical to the MV command For description see MV on page 204 VIEW_VOR VIEW_VOR View type This command selects a view type for the VOR mode Parameters View type MAIN DIST ID LOG Available views fo...

Page 232: ...268 GETDATASET on page 268 Remote commands exclusive to VOR results AC8 232 AF0 232 AF1 233 AF2 233 AF8 233 AM0 233 AM1 233 AM8 233 AM9 234 BE 234 BE_TO 234 BE 234 DIST_9960 234 FM0 234 FM1 234 FMEAS 234 SUBCARR_K2 235 SUBCARR_K3 235 SUBCARR_K4 235 SUBCARR_K5 235 AC8 This command queries the CODE of an identifier Return values CODE Code of an identifier Manual operation See ID Code on page 42 AF0 ...

Page 233: ...ignal Manual operation See Freq FM30 on page 76 AF8 This command queries the AF frequency of identifier Return values Hz Identifier AF frequency Manual operation See ID Freq on page 47 AM0 This command queries the modulation of the 30 Hz signal Return values 30 Hz signal modulation Manual operation See AM 30 Hz on page 75 AM1 This command queries the modulation of the 9960 Hz signal Return values ...

Page 234: ...tion See Bearing from on page 75 DIST_9960 This command queries the AM distortion of the 9960 Hz signal Return values AM distortion of 9960 Hz signal Manual operation See Subcarrier AM Distortion on page 77 FM0 This command queries the FM deviation Return values Hz FM deviation Manual operation See FM Deviation on page 75 FM1 This command queries the FM index Return values 1 FM index dimensionless...

Page 235: ... unit dB Manual operation See Subcarrier Harmonics on page 76 SUBCARR_K4 Queries K4 subcarrier harmonic of VOR signal in VOR mode Return values Distortion Distortion 4th order Default unit dB Manual operation See Subcarrier Harmonics on page 76 SUBCARR_K5 Queries K5 subcarrier harmonic of VOR signal in VOR mode Return values Distortion Distortion 5th order Default unit dB Manual operation See Subc...

Page 236: ... 100 for Bearing DEG 100 for AM Mod30 100 for AM Mod9960 10 for FM Deviation Hz 10 for FM Index 1 The command FA0 stops the output Return values State READY The command was executed successfully FA0 This command stops the continuous output that was started with FA2 Return values State READY The command was executed successfully 12 5 COM Mode The following commands are required to configure and per...

Page 237: ... command switches the instrument to the COM mode Return values State READY The command was executed successfully VIEW_COM VIEW_COM Gets or sets the view in COM mode Parameters View type MAIN REC Available views for COM mode Return values State READY The command was executed successfully AMFREQ_OFFSET_1F AMFREQ_OFFSET_1F Freq Gets or Sets the 1F demodulator frequency offset in COM mode Parameters F...

Page 238: ...lator lower frequency offset in COM mode Parameters Freq Dmodulator lower frequency offset Default unit kHz Return values State READY The command was executed successfully Manual operation See Lower Carrier on page 90 COM_DEMOD_BW_1F COM_DEMOD_BW_1F Bandwidth Gets or sets the 1F demodulator bandwidth in COM mode Parameters Bandwidth 1KHZ 3KHZ 6KHZ 10KHZ Return values State READY The command was ex...

Page 239: ...cessfully 12 5 2 Retrieving COM Results The following commands are required to retrieve results from COM measurements GET_TX1_LEVEL 239 GET_TX2_LEVEL 239 GET_MEASFREQ 240 GET_TX1_MEASFREQ 240 GET_TX2_MEASFREQ 240 GET_ONE_AMMOD 240 GET_TX1_AMMOD 240 GET_TX2_AMMOD 240 GET_ONE_AMFREQ 241 GET_TX1_AMFREQ 241 GET_TX2_AMFREQ 241 GET_TX1_LEVEL Query TX1 RF signal level in COM mode Return values level RF s...

Page 240: ...ult unit kHz GET_TX2_MEASFREQ Query the measured value of delta TX2 RF carrier frequency to set RF frequency in COM mode Return values freq Delta between measured TX2 frequency and set RF frequency Default unit kHz GET_ONE_AMMOD Query the AM modulation depth in COM mode Return values mod depth AM modulation depth Default unit Manual operation See AM Mod on page 87 GET_TX1_AMMOD Query the TX1 AM mo...

Page 241: ...l Default unit Hz Manual operation See AM Freq on page 88 GET_TX2_AMFREQ Query the AF lower frequency of 2F signal in COM mode Parameters freq AF lower frequency of 2F signal Default unit Hz Manual operation See AM Freq on page 88 12 6 GBAS SCAT I Mode The following commands are required to configure and perform measurements in the GBAS SCAT I mode They are only available if the R S EVSG K4 GBAS o...

Page 242: ...ttenuation of the GBAS mode Parameters Mode LN Low noise attenuation NORM Normal attenuation LD Low distortion attenuation State READY The command was executed successfully Manual operation See RF Mode on page 53 See RF Mode on page 133 GBAS FMEAS Slot This command queries the offset of the measured carrier frequency from the nominal frequency in GBAS mode Parameters Slot 0 1 2 3 4 5 6 7 Selects t...

Page 243: ...cessfully Manual operation See Frequency Freq on page 118 GBAS LEV Slot LA Slot Queries the arithmetic average of the burst power level measured over the period of the synchronization and ambiguity resolution field of the burst If no burst was detected the arithmetic average of the noise power is returned Parameters Slot 0 1 2 3 4 5 6 7 Selects the slot for which results are queried Return values ...

Page 244: ...ted 1 RX board 1 selected 2 RX board 2 selected 1 2 Both RX boards selected Slot 0 1 2 3 4 5 6 7 Selects the slot for which results are exported Return values State READY Command was executed successfully GBAS GETMDEF ParamSel RX board This command outputs the header columns for data delivered by GBAS GETMEAS Parameters ParamSel Determines which parameter selection is output FULL EVS300 compatibil...

Page 245: ...ters see Chapter 8 4 3 2 Slot Results Table on page 127 Parameters ParamSel Determines which parameter selection is output FULL EVS300 compatibility mode Channel STIOCP Index Date Slot Time FREQ MHz Lev Av dBm SSID GBAS ID Train FEC App Dat App FEC GPS_lat GPS_long GPS_alt m GPS_speed km h GPS_date GPS_time GPS_Sat GPS_Status GPS_Fix GPS_HDOP GPS_VDOP Temp C ATT MODE TrigCounter ALL All values of ...

Page 246: ...ues Results Comma separated list of selected results State READY The command was executed successfully Example GETMEAS FULL 1 2 2 Returns all measurement results for slot 2 in all measurements on both receiver boards Manual operation See Data selection Select GBAS SCAT I mode only on page 161 See Parameter on page 161 GBAS STREAM ParamSel MSG RX Board Slots Starts data streaming In streaming mode ...

Page 247: ...ected 2 RX board 2 selected 1 2 Both RX boards selected Slots 0 1 2 3 4 5 6 7 Selects one or more slots for which results are exported Multi ple slots can be selected Return values State READY The command was executed successfully Example GBAS STREAM RAW 1 2 3 Sends the data for slot 3 on both receiver boards as binary data to the USB output Example GBAS STREAM ALL 1 01234567 Outputs the evaluated...

Page 248: ...SCAN_FREQCENTER 249 FSCAN_FREQCENTER 249 FSCAN_FREQSPAN 249 FSCAN_FREQSPAN 249 FSCAN_FREQSTART 249 FSCAN_FREQSTART 249 FSCAN_FREQSTOP 250 FSCAN_FREQSTOP 250 FSCAN_REFLEVEL 250 FSCAN_REFLEVEL 250 FSCAN_RESBW_AUTO 250 FSCAN_RESBW_AUTO 250 FSCAN_RES_BW 251 FSCAN_RES_BW 251 FSCAN_TRACE_MODE 251 FSCAN_TRACE_MODE 251 FSCAN_TRACE_AVRGCOUNT 252 FSCAN_TRACE_AVRGCOUNT 252 MODE_FSCAN This command switches th...

Page 249: ...FSCAN CENTER frequency Default unit kHz Return values State READY The command was executed successfully Manual operation See Center on page 95 FSCAN_FREQSPAN FSCAN_FREQSPAN Frequency This command gets or sets the span frequency in RF Spectrum mode Parameters Frequency FSCAN SPAN frequency Default unit kHz Return values State READY The command was executed successfully Manual operation See Span on ...

Page 250: ...LEVEL FSCAN_REFLEVEL Level This command gets or sets the reference level in RF Spectrum mode Parameters Level FSCAN Reference Level Default unit dBm Return values State READY The command was executed successfully Manual operation See Ref Level on page 96 FSCAN_RESBW_AUTO FSCAN_RESBW_AUTO Mode This command gets or sets the mode of specifiying the resolution bandwidth in RF Spectrum mode Parameters ...

Page 251: ...mode Parameters Trace Mode CLWR Overwrite mode default the trace is overwritten by each sweep AVRG The average is determined over several sweeps The number of averaging procedures is defined by FFT_TRACE_AVRGCOUNT on page 259 MAXHOLD The maximum value is determined over several sweeps and dis played The R S EVSF1000 saves each trace point in the trace memory only if the new value is greater than t...

Page 252: ...252 FSCAN_GETSPECT All measurement values are returned as one comma separated string in RF Spec trum mode Parameters Trace Data Measurement values Default unit dBm State READY The command was executed successfully 12 8 IF Spectrum Mode The following commands are required to configure and perform measurements in the IF Spectrum mode They are only available if the R S EVSG K10 option is installed Co...

Page 253: ... READY The command was executed successfully IFSPECT_ATTMODE Mode Selects the attenuation of the IF Spectrum mode Parameters Mode AUTO Automatic attentuation LN Low noise attenuation NORM Normal attenuation LD Low distortion attenuation State READY The command was executed successfully Manual operation See RF Att on page 52 See RF Mode on page 53 IFSPECT_FREQRF IFSPECT_FREQRF Freq Gets or dets RF ...

Page 254: ...nual operation See Ref Level on page 100 IFSPECT_RES_BW IFSPECT_RES_BW Bandwidth Gets or sets the resolution bandwidth for IF Spectrum mode Parameters Bandwidth 200K 100K 50K 25K 12K5 6K2 3K1 1K6 800 240K 120K 60K 30K 15K 7K5 3K75 1K87 937 468 234 117 12K 6K 3K 1K5 750 375 187 94 47 23 4 11 7 1K2 600 300 150 75 37 4 18 7 9 4 4 7 2 3 120 0 60 0 30 0 15 0 7 5 3 7 1 9 0 9 0 5 Return values State READ...

Page 255: ...played The number of evaluated sweeps is defined by FFT_TRACE_AVRGCOUNT on page 259 Return values State READY The command was executed successfully Manual operation See Trace mode on page 97 IFSPECT_TRACE_AVRGCOUNT IFSPECT_TRACE_AVRGCOUNT trace average count Gets or sets the trace average count of the IF Spectrum mode Parameters Trace average count Range 0 to 100 Return values State READY The comm...

Page 256: ...ng AF Spectrum Results 259 12 9 1 Configuring AF Spectrum Measurements The following commands are required to configure AF Spectrum measurements MODE_FFT 256 FFT_ATTMODE 257 FTT_ATTMODE 257 FFT_FREQ_CENTER 257 FFT_FREQ_CENTER 257 FFT_FREQ_SPAN 257 FFT_FREQ_SPAN 257 FFT_FREQ_START 258 FFT_FREQ_START 258 FFT_FREQSTOP 258 FFT_FREQSTOP 258 FFT_FREQRF 258 FFT_FREQRF 258 FFT_TRACE_MODE 258 FFT_TRACEMODE...

Page 257: ...F Att on page 52 See RF Mode on page 53 FFT_FREQ_CENTER FFT_FREQ_CENTER Frequency Gets or sets the FFT center frequency in AF Spectrum mode Parameters Frequency Value of the FFT center frequency Default unit kHz Return values State READY The command was executed successfully Manual operation See AF Center on page 104 FFT_FREQ_SPAN FFT_FREQ_SPAN Frequency Gets or sets the FFT span frequency in AF S...

Page 258: ...Spectrum mode Parameters Frequency Value of the FFT Stop frequency Default unit kHz Return values State READY The command was executed successfully Manual operation See AF Stop on page 105 FFT_FREQRF FFT_FREQRF Freq Gets or Sets RF frequency in AF Spectrum mode Parameters Freq FFT RF frequency Default unit kHz Return values State READY The command was executed successfully Manual operation See RF ...

Page 259: ...number of evaluated sweeps is defined by FFT_TRACE_AVRGCOUNT on page 259 Return values State READY The command was executed successfully Manual operation See Trace mode on page 97 FFT_TRACE_AVRGCOUNT FFT_TRACE_AVRGCOUNT trace average count Gets or sets the trace average count of the AF Spectrum mode Parameters Trace average count Range 0 to 100 Return values State READY The command was executed su...

Page 260: ...main measurements MODE_SCOPE 260 SCOPE_ATTMODE 260 SCOPE_FREQRF 261 SCOPE_FREQRF 261 SCOPE_REFLEVEL 261 SCOPE_REFLEVEL 261 SCOPE_TIMEDIV_RF 261 SCOPE_TIMEDIV_RF 261 SCOPE_TRIGLEVEL_RFPCT 262 SCOPE_TRIGLEVEL_RFPCT 262 SCOPE_TRIGSLOPE 262 SCOPE_TRIGSLOPE 262 MODE_SCOPE This command switches the instrument to the AF Time Domain mode Return values State READY The command was executed successfully SCOP...

Page 261: ...ccessfully Manual operation See RF Freq on page 109 SCOPE_REFLEVEL SCOPE_REFLEVEL RefLev This command gets or sets the reference level of the AF Time Domain mode Parameters RefLev Set the reference level Default unit dBm Return values State READY The command was executed successfully SCOPE_TIMEDIV_RF SCOPE_TIMEDIV_RF time div This command gets or sets the Time Div for RF input in AF Time Domain mo...

Page 262: ...Time Domain mode Parameters Trig level Set trigger level Range 100 to 100 Default unit Return values State READY The command was executed successfully Manual operation See Trigger Level on page 111 SCOPE_TRIGSLOPE SCOPE_TRIGSLOPE Trigger edge This command gets or selects the trigger edge for RF Input of the AF Time Domain mode Parameters Trigger edge POSITIVE Sets positive SCOPE trigger slope NEGA...

Page 263: ...ommands are required to configure data streaming and recording Data Recording 263 Data Streaming 267 Results for Data Streaming 269 12 11 1 Data Recording The following commands are required for data recording CLEARACTIVELIST 263 DL_START 264 DL_STOP 264 GETACTIVELIST 264 GETDATA_FROM_ACTIVELIST 265 GETDLTIME 265 GETFREEMEMORY 265 GETLISTDATA 265 GETLISTSIZE 265 SAVEACTIVELIST2USB 266 SELECTLISTPA...

Page 264: ...ternally To reduce the amount of logged data restrict it to specific parameters Return values EventResult READY The ommand was executed successfully ERROR An error occurred command was not successful DL_STOP Stops logging data Return values EventResult READY Command was executed successfully ERROR An error occurred command was not successful Usage Event GETACTIVELIST This command returns the numbe...

Page 265: ...ata logger time for the current mode ILS LOC ILS GP ILS MB VOR or COM Parameters Time Data logger time Default unit ms Usage Query only GETFREEMEMORY This command queries the amount of free storage space on the internal flash memory Return values FreeMemSize Default unit MByte GETLISTDATA ListNo This command queries the contents of the selected list Setting parameters ListNo list number Range 1 to...

Page 266: ...ified path must already exist on the USB device otherwise an error occurs Return values EventResult READY The command was executed successfully ERROR An error occurred command was not successful Example SETACTIVELIST 2 Defines list 2 as the active list SAVEACTIVELIST2USB Manual operation See Export List to USB on page 162 SELECTLISTPARAM Params This command selects the parameters to be logged Para...

Page 267: ...Setting only Manual operation See List on page 161 SETDLTIME Time Sets the data logger time for the current mode ILS LOC ILS GP ILS MB VOR or COM Parameters Time Data logger time Default unit ms Return values State READY The command was executed successfully 12 11 2 Data Streaming The following commands are required for data streaming Useful commands for streaming described elsewhere GBAS STREAM o...

Page 268: ...ote interface The Meastime see MEASTIME on page 182 defines how often the data sets are produced Every data set is preceded by the channel number Streaming can produce large quantities of output It is mandatory to have a fast data connection and an application that is able to handle the data For details on the output see Chapter 12 11 3 Results for Data Streaming on page 269 Parameters ParamSelect...

Page 269: ...selection ILS LOC Mode 269 ILS GP Mode 270 ILS MB Mode 271 VOR Mode 272 COM Mode 273 GBAS Mode 273 12 11 3 1 ILS LOC Mode All parameters RX STIOCPM Index Date Time FREQ MHz SINGLE kHz CRS_UF CLR_LF kHz LEVEL dBm AM MOD 90Hz AM MOD 150Hz FREQ_90 Hz FREQ_150 Hz DDM 90 150 1 SDM PHI 90 150 ï VOICE MOD ID MOD ID F Hz ID CODE ID Per s Last_ID s DotLen ms DashLen ms DotDashGap ms Lettergap ms LEV_CLR_LF...

Page 270: ... K2 90Hz K2 150Hz K3 90Hz K3 150Hz THD 90Hz THD 150Hz GPS_lat GPS_long GPS_alt m GPS_speed km h GPS_date GPS_time GPS_Sat GPS_Status GPS_Fix GPS_HDOP GPS_VDOP Temp ï C MeasTime ms MeasMode LOC_GP ATT MODE TrigCounter Medium parameters RX STIOCPM Index Date Time LEVEL dBm DDM 90 150 1 SDM LEV_CLR_LF dBm LEV_CRS_UF dBm DDM_CLR_LF 90 150 1 SDM_CLR_LF DDM_CRS_UF 90 150 1 SDM_CRS_UF GPS_lat GPS_long Me...

Page 271: ... ID CODE LEV_CLR_LF dBm LEV_CRS_UF dBm AM MOD_CLR_LF 90Hz AM MOD_CLR_LF 150Hz DDM_CLR_LF 90 150 1 SDM_CLR_LF AM MOD_CRS_UF 90Hz AM MOD_CRS_UF 150Hz DDM_CRS_UF 90 150 1 SDM_CRS_UF PHI 90 90 ï PHI 150 150 ï K2 90Hz K2 150Hz K3 90Hz K3 150Hz THD 90Hz THD 150Hz GPS_lat GPS_long GPS_alt m GPS_speed km h GPS_date GPS_time GPS_Sat GPS_Status GPS_Fix GPS_HDOP GPS_VDOP Temp ï C MeasTime ms MeasMode LOC_GP ...

Page 272: ...M MOD 3000Hz GPS_lat GPS_long 12 11 3 4 VOR Mode All parameters RX STIOCPM Index Date Time FREQ MHz MEAS F kHz LEVEL dBm AM MOD 30Hz AM MOD 9960Hz FREQ_30 Hz FREQ_9960 Hz FREQ_FM30 Hz BEARING from ï FM DEV Hz FM INDEX VOICE MOD ID MOD ID F Hz ID CODE ID Per s Last_ID s DotLen ms DashLen ms DotDashGap ms Lettergap ms SubCarr_K2 dB SubCarr_K3 dB SubCarr_K4 dB SubCarr_K5 dB AM60Hz AM1k44 AM1k50 GPS_l...

Page 273: ...anual 1F IFBW Manual 2F MeasTime ms ATT MODE TrigCounter Full parameters Channel STIOCP Index Date Time FREQ MHz MEAS F_TX1 MHz MEAS F_TX2 MHz LEVEL dBm LEVEL_TX1 dBm LEVEL_TX2 dBm AM MOD AM MOD_TX1 AM MOD_TX2 AMFREQ Hz AMFREQ_TX1 Hz AMFREQ_TX2 Hz GPS_lat GPS_long GPS_alt m GPS_speed km h GPS_date GPS_time GPS_Sat GPS_Status GPS_Fix GPS_HDOP GPS_VDOP Temp ï C MeasTime ms ATT MODE TrigCounter Mediu...

Page 274: ...EC GPS_lat GPS_long GPS_alt m GPS_speed km h GPS_date GPS_time GPS_Sat GPS_Status GPS_Fix GPS_HDOP GPS_VDOP Temp ï C ATT MODE TrigCounter Medium parameters RX STIOCP Index Time Slot C Offset kHz Lev Av dBm GBAS ID Train FEC App Dat App FEC GPS_lat GPS_long TrigCounter Short parameters RX Index Time Slot Lev Av dBm GBAS ID App Dat GPS_lat GPS_long 12 12 Information on Commands HELP Returns a list o...

Page 275: ...Localizer mode Frequency MHz Glidepath mode Frequency MHz 18X 108 10 334 70 18Y 108 15 334 55 20X 108 30 334 10 20Y 108 35 333 95 22X 108 50 329 90 22Y 108 55 329 75 24X 108 70 330 50 24Y 108 75 330 35 26X 108 90 329 30 26Y 108 95 329 15 28X 109 10 331 40 28Y 109 15 331 25 30X 109 30 332 00 30Y 109 35 331 85 32X 109 50 332 60 32Y 109 55 332 45 34X 109 70 333 20 34Y 109 75 333 05 36X 109 90 333 80 ...

Page 276: ...ode Frequency MHz Glidepath mode Frequency MHz 44X 110 70 330 20 44Y 110 75 330 05 46X 110 90 330 80 46Y 110 95 330 65 48X 111 10 331 70 48Y 111 15 331 55 50X 111 30 332 30 50Y 111 35 332 15 52X 111 50 332 90 52Y 111 55 332 75 54X 111 70 333 50 54Y 111 75 333 35 56X 111 90 331 10 56Y 111 95 330 95 ...

Page 277: ... 115 80 21Y 108 45 77Y 113 05 105Y 115 85 23X 108 60 78X 113 10 106X 115 90 23Y 108 65 78Y 113 15 106Y 115 95 25X 108 80 79X 113 20 107X 116 00 25Y 108 85 79Y 113 25 107Y 116 05 27X 109 00 80X 113 30 108X 116 10 27Y 109 05 80Y 113 35 108Y 116 15 29X 109 20 81X 113 40 109X 116 20 29Y 109 25 81Y 113 45 109Y 116 25 31X 109 40 82X 113 50 110X 116 30 31Y 109 45 82Y 113 55 110Y 116 35 33X 109 60 83X 113...

Page 278: ...X 117 30 51Y 111 45 92Y 114 55 120Y 117 35 53Y 111 65 93Y 114 65 121X 117 40 55X 111 80 94X 114 70 121Y 117 45 55Y 111 85 94Y 114 75 122X 117 50 57X 112 00 95X 114 80 122Y 117 55 57Y 112 05 95Y 114 85 123X 117 60 53X 111 60 93X 114 60 123Y 117 65 58X 112 10 96X 114 90 124X 117 70 58Y 112 15 96Y 114 95 124Y 117 75 59X 112 20 97X 115 00 125X 117 80 59Y 112 25 97Y 115 05 125Y 117 85 70X 112 30 98X 11...

Page 279: ...oach Local Area Augmentation System LAAS Signal in Space Interface Control Document ICD July 2017 2 RTCA DO 217 Minimum aviation system performance standards DGNSS instrument approach system Special Category I SCAT I August 1996 3 ICAO AN10 Vol1 ICAO Annex 10 Aeronautical Telecommunications Volume 1 July 2018 ...

Page 280: ...le parameters full list in their default order The format of the data for each slot is identical regardless whether a parameter con tains data or not Thus you can create a table from the exported comma separated list If a slot is empty only the general data is stored in the list entry the message spe cific parameters are cropped When a list is stored to a file a header line is automatically includ...

Page 281: ...type 4 available YES NO 17 GPS_lat Received GPS data 18 GPS_long 19 GPS_alt m 20 GPS_speed km h 21 GPS_date 22 GPS_time 23 GPS_Sat 24 GPS_Status 25 GPS_Fix 26 GPS_HDOP 27 GPS_VDOP 28 GPS_Dist m Distance between GPS reference point and current GPS position 29 GPS_Angle Angle between GPS reference point and current GPS position 30 ATT MODE Attenuator mode during slot measurement LN NORM LD In AUTO m...

Page 282: ...s S_pr_gnd m DiffnprcB1 m DiffnprcB2 m DiffnprcB3 m DiffnprcB4 m For details on the correction data parameters refer to the GBAS specification 1 MT4 If the slot contains a message type 4 the following decoded message data is provided for each of the up to 15 FASDBs in full list only Table D 3 Decoded message type 4 data for the individual slot and each FASDB GBAS Column Description MT4 GBAS Sectio...

Page 283: ...idth m DeltaLenOffset m VertAlertLim m LatrAlertLim m FASCRC SCAT I Signal MT1 After the general information if the slot contains a message type 1 the following burst data is provided for each of the up to 32 satellites in full list only Table D 4 Decoded message type 1 data for the individual slot and each satellite SCAT I Column Description MT1 SCAT Section label separator in list MB CRC MB ID M...

Page 284: ...pecification 2 MT4 If the slot contains a message type 4 the following decoded message data is provided for each of the up to 15 FASDBs in full list only Table D 5 Decoded message type 4 data for the individual slot and each FASDB SCAT I Column Description MT4 DATA Section label separator in list MB CRC MB ID Message block ID 1001 1001 SCAT I Stat ID Received Station ID equivalent to GBAS ID or SC...

Page 285: ...Format Description of GBAS and SCAT I Data R S EVSF1000 285 User Manual 1178 6410 02 05 Column Description ThDP_Long ThDP_Height m DERP_LAT DERP_Long TCH ft GPA FASCRC ...

Page 286: ...M1 233 AM2 215 AM2CLR 215 AM2CRS 216 AM3 216 AM3CLR 216 AM3CRS 216 AM4 227 AM5 228 AM6 228 AM7 228 AM8 216 AM8 233 AM9 216 AM9 234 AMFREQ_OFFSET_1F 237 AMFREQ_OFFSET_1F 237 AMFREQ_OFFSET_TX1 238 AMFREQ_OFFSET_TX1 238 AMFREQ_OFFSET_TX2 238 AMFREQ_OFFSET_TX2 238 AMMOD240 217 AUTOKALSTATUS 200 AUTOKALSTATUS_EXTENDED 201 BE 234 BE_TO 234 BE 234 BI 192 CH 185 CH 185 CLEARACTIVELIST 263 CLEARERRORLOG 19...

Page 287: ...0 230 FA0 236 FA1 224 FA2 224 FA2 230 FA2 236 FA3 225 FA4 225 FA5 225 FACTORY_PRESET 199 FCLR 217 FCRS 218 FFT_ATTMODE 257 FFT_FREQ_CENTER 257 FFT_FREQ_CENTER 257 FFT_FREQ_SPAN 257 FFT_FREQ_SPAN 257 FFT_FREQ_START 258 FFT_FREQ_START 258 FFT_FREQRF 258 FFT_FREQRF 258 FFT_FREQSTOP 258 FFT_FREQSTOP 258 FFT_GETSPECT 259 FFT_TRACE_AVRGCOUNT 259 FFT_TRACE_AVRGCOUNT 259 FFT_TRACE_MODE 258 FFT_TRACEMODE 2...

Page 288: ...N_TRACE_AVRGCOUNT 252 FSCAN_TRACE_AVRGCOUNT 252 FSCAN_TRACE_MODE 251 FSCAN_TRACE_MODE 251 FSINGLE 218 FTT_ATTMODE 257 GBAS ATTMODE 242 GBAS ATTMODE 242 GBAS FMEAS 242 GBAS FREQRF 243 GBAS FREQRF 243 GBAS GETMDEF 244 GBAS GETMEAS 245 GBAS LEV 243 GBAS LOGSLOTS 244 GBAS STOPSTREAM 247 GBAS STREAM 246 GET_MEASFREQ 240 GET_ONE_AMFREQ 241 GET_ONE_AMMOD 240 GET_TX1_AMFREQ 241 GET_TX1_AMMOD 240 GET_TX1_L...

Page 289: ...85 GETNRPTYPE 185 GETOPTIONS 192 GETTEMP 193 GS 224 GS_CARRIER_THRESHOLD_DB 211 GS_CARRIER_THRESHOLD_DB 211 GS_DEM_1F2F_BW 211 GS_DEM_1F2F_BW 211 GS_DEM_ID_BW 212 GS_DEM_ID_BW 212 GS_DEM_WIDE_BW 212 GS_DEM_WIDE_BW 212 GS_DEMFREQS_OFFSET_1F 213 GS_DEMFREQS_OFFSET_1F 213 GS_DEMFREQS_OFFSET_AUTOMAN 212 GS_DEMFREQS_OFFSET_AUTOMAN 212 GS_DEMFREQS_OFFSET_LOWERFREQ 213 GS_DEMFREQS_OFFSET_LOWERFREQ 213 GS...

Page 290: ...NT 255 IFSPECT_TRACE_MODE 254 IFSPECT_TRACE_MODE 254 INV 193 K2_90 218 K2_150 218 K3_90 218 K3_150 218 K4_90 219 K4_150 219 KALSCREEN 201 LA 182 LA 243 LASTID_TIME 222 LCLR 219 LCRS 219 LLZ 223 LLZ_CARRIER_THRESHOLD_DB 206 LLZ_CARRIER_THRESHOLD_DB 206 LLZ_DEM_1F2F_BW 207 LLZ_DEM_1F2F_BW 207 LLZ_DEM_ID_BW 207 LLZ_DEM_ID_BW 207 LLZ_DEM_WIDE_BW 206 LLZ_DEM_WIDE_BW 206 LLZ_DEMFREQS_OFFSET_1F 207 LLZ_D...

Page 291: ...IFSPECT 253 MODE_LOC 205 MODE_MB 226 MODE_SCOPE 260 MODE_VOR 231 MV 204 OPTIONGETCHECKED 193 PH 219 PH_90_90 219 PH_150_150 219 REMOTELOCK 202 RESIDFM_90 220 RESIDFM_150 220 RF 183 RF_MHZ_5DECIMALS 239 RF_MHZ_5DECIMALS 239 RF 183 RFCH 183 RLC 202 SAVEACTIVELIST2USB 266 SAVEDATA 193 SCLR 220 SCOPE_ATTMODE 260 SCOPE_FREQRF 261 SCOPE_FREQRF 261 SCOPE_GETMEAS 263 SCOPE_REFLEVEL 261 SCOPE_REFLEVEL 261 ...

Page 292: ...184 SETUP EXTERNALATT_RX2 184 SETUP EXTERNALATT_RX2 184 SETUP GETERRORLOG 192 SETUP GPSREF 198 SETUP NTPSERVER 202 SETUP NTPSERVER 202 SETUP PPS_SYNC 197 SETUP PPS_SYNC 197 SETUP REFLAT 198 SETUP REFLAT 198 SETUP REFLONG 198 SETUP REFLONG 198 SETUP SETGPSBAUDRATE 197 SETUP SETGPSDELAY 197 SETUP SETGPSINTERFACE 196 SETUP SPEAKER 191 SETUP TIMESYNC 199 SETUP TIMESYNC 199 SETUP UNIT BARGRAPH 186 SETU...

Page 293: ...RDIRECTION 188 SETUP VOLUME 191 SQUELCH 191 SQUELCH 191 STARTKAL 201 STOPSTREAM 269 STREAM 268 SUBCARR_K2 235 SUBCARR_K3 235 SUBCARR_K4 235 SUBCARR_K5 235 THD_90 221 THD_150 221 VER 194 VIEW_COM 237 VIEW_COM 237 VIEW_GS 209 VIEW_GS 209 VIEW_LLZ 210 VIEW_LLZ 210 VIEW_MB 226 VIEW_MB 226 VIEW_VOR 231 VIEW_VOR 231 VOR_DEM_BW 231 VOR_DEM_BW 231 WAIT4EXE 200 ...

Page 294: ...timing structure 115 Components 114 Correction message 115 Data format 280 FAS data 116 Frequencies 115 Message type 1 data 281 Message type 4 data 282 Message xml interface 135 Mode 113 Recording data 160 Specification 279 Getting started 6 Glide Path Angle GPA 116 GPS RS 232 18 H Help 6 HW Status 174 I ID Analysis Dash Length 47 78 Dot Length 47 78 Dot Dash Gap 47 78 ID AM 47 79 ID Frequency 47 ...

Page 295: ...mode 113 SDM 90 150 41 Service adapter 13 Settings Factory defaults 159 Signal In Correction 33 Status Recorded data 280 Storing Measurement settings 157 Synchronization PPS 117 T TCP IP DHCP 169 Gateway 170 IP Address 170 Netmask 170 TDMA timing structure 115 Terminal Area Path TAP 116 Threshold Crossing Height TCH 116 Time domain allocation Principle 116 Time slots Synchronization 117 Timing GBA...

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