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GPS 15 Technical Specifications (P/N 190-00266-00)

Rev. B

Page 14

4.2.4

GPS DOP and Active Satellites (GSA)

$GPGSA,<1>,<2>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<4>,<5>,<6>*hh<CR><LF>

<1>

Mode, M = manual, A = automatic

<2>

Fix type, 1 = not available, 2 = 2D, 3 = 3D

<3>

PRN number, 01 to 32, of satellite used in solution, up to 12 transmitted (leading zeros will be
transmitted)

<4>

Position dilution of precision, 0.5 to 99.9

<5>

Horizontal dilution of precision, 0.5 to 99.9

<6>

Vertical dilution of precision, 0.5 to 99.9

4.2.5

GPS Satellites in View (GSV)

$GPGSV,<1>,<2>,<3>,<4>,<5>,<6>,<7>,...<4>,<5>,<6>,<7>*hh<CR><LF>

<1>

Total number of GSV sentences to be transmitted

<2>

Number of current GSV sentence

<3>

Total number of satellites in view, 00 to 12 (leading zeros will be transmitted)

<4>

Satellite PRN number, 01 to 32 (leading zeros will be transmitted)

<5>

Satellite elevation, 00 to 90 degrees (leading zeros will be transmitted)

<6>

Satellite azimuth, 000 to 359 degrees, true (leading zeros will be transmitted)

<7>

Signal to noise ratio (C/No) 00 to 99 dB, null when not tracking (leading zeros will be
transmitted)

NOTE

: Items <4>,<5>,<6>, and <7> repeat for each satellite in view to a maximum of four (4) satellites

per sentence. Additional satellites in view information must be sent in subsequent bursts of NMEA 0183
data. These fields will be null if unused.

4.2.6

Recommended Minimum Specific GPS/TRANSIT Data (RMC)

$GPRMC,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>*hh<CR><LF>

<1>

UTC time of position fix, hhmmss format

<2>

Status, A = Valid position, V = NAV receiver warning

<3>

Latitude, ddmm.mmmm format (leading zeros will be transmitted)

<4>

Latitude hemisphere, N or S

<5>

Longitude, dddmm.mmmm format (leading zeros will be transmitted)

<6>

Longitude hemisphere, E or W

<7>

Speed over ground, 000.0 to 999.9 knots (leading zeros will be transmitted)

<8>

Course over ground, 000.0 to 359.9 degrees, true (leading zeros will be transmitted)

<9>

UTC date of position fix, ddmmyy format

<10>

Magnetic variation, 000.0 to 180.0 degrees (leading zeros will be transmitted)

<11>

Magnetic variation direction, E or W (westerly variation adds to true course)

4.2.7

Estimated Error Information (PGRME)

$PGRME,<1>,M,<2>,M,<3>,M*hh<CR><LF>

<1>

Estimated horizontal position error (HPE), 0.0 to 999.9 meters

<2>

Estimated vertical position error (VPE), 0.0 to 999.9 meters

<3>

Estimated position error (EPE), 0.0 to 999.9 meters

4.2.8

Map Datum (PGRMM)

The Garmin Proprietary sentence $PGRMM gives the name of the map datum currently in use by the GPS
sensor. This information is used by the Garmin MapSource real-time plotting application.

$PGRMM,<1>*hh<CR><LF>

<1>

Name of map datum currently in use (variable length field, e.g., “WGS 84”)

Содержание GPS 15

Страница 1: ...GPS 15 Technical Specifications P N 190 00266 00 Rev B Garmin International Inc 1200 E 151st Street Olathe KS 66062 USA 190 00266 00 Revision B April 2004 GPS 15 TECHNICAL SPECIFICATIONS ...

Страница 2: ......

Страница 3: ...copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this document is subject to change without notice Garmin reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements Garmin ...

Страница 4: ...es 5 1 5 5 1 GPS 15 Electrical Characteristics 5 1 5 5 2 Port 1 Protocols 5 1 5 6 Antenna Specifications 6 2 GPS 15 Wire Descriptions and Wiring Diagrams 7 2 1 GPS 15 Wire Descriptions 7 2 2 GPS 15 Wiring Diagrams 8 3 Mechanical Characteristics Mounting 9 4 GPS 15 Software Interface 10 4 1 Received NMEA 0183 Sentences 10 4 1 1 Sensor Initialization Information PGRMI 10 4 1 2 Sensor Configuration I...

Страница 5: ...nsor 19 File Menu 19 Comm Menu 20 Config Menu 20 View Menu 21 Help Menu 21 LIST OF TABLES AND FIGURES Table 1 Gain vs SNR for Given Noise Figure 6 Table 2 GPS 15 Wire Descriptions 7 Figure 1 Computer Serial Port Interconnection 8 Figure 2 PDA Serial Port Interconnection 8 Figure 3 Basic NMEA Device Interconnection 8 Figure 4 GPS 15 F Dimensions 9 Figure 5 GPS 15 W Outline Drawing 9 Table 3 NMEA 01...

Страница 6: ......

Страница 7: ...nts Operation of this device is subject to the following conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to ...

Страница 8: ...CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH RE...

Страница 9: ...Being a complete GPS receiver the GPS 15 requires minimal additional components to be supplied by an OEM or system integrator A minimum system must provide the GPS with a source of power an active GPS antenna and a clear view of the GPS satellites The system may communicate with the GPS 15 via its 3 3V CMOS level serial port The GPS 15 stores data such as satellite orbital parameters last known po...

Страница 10: ...325 00118 00 The connector housing used on this harness is equivalent to JST Part Number SHR 06V S B The 6 wire crimp socket is equivalent to JST Part Number SSH 003T P0 2 Refer the JST web site at www jst com 1 5 1 4 Antenna Connector The GPS 15 provides a MCX female connector for connection to an active GPS antenna The antenna should be terminated in MCX male A suitable antenna is Garmin s GA 27...

Страница 11: ...s 999 knots velocity only limited at altitude greater than 60 000 feet 6g acceleration 6g jerk 1 5 5 Interfaces 1 5 5 1 GPS 15 Electrical Characteristics CMOS level output for interfacing directly to an asynchronous serial port on the host microprocessor Factory jumper settings determine baud rate not user accessible Factory setting is 4800 baud 1 5 5 2 Port 1 Protocols NMEA 0183 Version 2 20 ASCI...

Страница 12: ...o BNC Adapter Cable Garmin Part Number 010 10121 00 is used Place the MCX to BNC Adapter Cable between the connector on the end of the antenna cable and the connector on the GPS 15 Noise Figure Gain The total noise on the external antenna must be 7dB with a gain between 10 dB and 40 dB Refer to the table below Table 1 Gain vs SNR for Given Noise Figure Should be properly biased by your choice of P...

Страница 13: ... current is 75mA Nominal operating current is 66mA 4 PORT 1 DATA OUT Asynchronous Serial Output CMOS compatible output designed to interface directly with a host microprocessor Provides serial data which is formatted per NMEA 0183 Version 2 20 The baud rate is set during production to 4800 but other rates are available 5 PORT 1 DATA IN First Asynchronous Serial Input CMOS compatible input designed...

Страница 14: ...echnical Specifications P N 190 00266 00 Rev B Page 8 2 2 GPS 15 WIRING DIAGRAMS Figure 1 Computer Serial Port Interconnection Figure 2 PDA Serial Port Interconnection Figure 3 Basic NMEA Device Interconnection ...

Страница 15: ...GPS 15 Technical Specifications P N 190 00266 00 Rev B Page 9 3 MECHANICAL CHARACTERISTICS MOUNTING Figure 4 GPS 15 F Dimensions Figure 5 GPS 15 W Outline Drawing ...

Страница 16: ...arriage return 0D hexadecimal and line feed 0A hexadecimal respectively The checksum hh is used for parity checking data and is not required but is recommended for use in environments containing high electromagnetic noise It is generally not required in normal PC environments When used the parity bytes hh are the ASCII representation of the upper and lower nibbles of the exclusive or XOR sum of al...

Страница 17: ...i major axis 6360000 000 to 6380000 000 meters 001 meters resolution 5 User earth datum inverse flattening factor 285 0 to 310 0 10 9 resolution 6 User earth datum delta x earth centered coordinate 5000 0 to 5000 0 meters 1 meter resolution 7 User earth datum delta y earth centered coordinate 5000 0 to 5000 0 meters 1 meter resolution 8 User earth datum delta z earth centered coordinate 5000 0 to ...

Страница 18: ...at a GPS second boundary The information transmitted by the GPS sensor is referenced to the GPS second boundary immediately preceding the GPRMC sentence The following sentences are all output by default Sentence GPRMC GPGGA GPGSA GPGSV PGRME PGRMT output once per minute by default PGRMM Table 3 NMEA 0183 Output Sentence Order The maximum number of fields allowed in a single sentence is 82 characte...

Страница 19: ...9382 W 000 0 221 9 071103 003 3 E 69 GPRMC 000000 A 3851 3651 N 09447 9382 W 000 0 221 9 081103 003 3 E 67 GPRMC 000000 A 3851 3651 N 09447 9382 W 000 0 221 9 081103 003 3 E 67 GPRMC 000001 A 3851 3651 N 09447 9382 W 000 0 221 9 081103 003 3 E 66 If a negative leap second should be required one second will be deleted at the end of some UTC month The minute containing the leap second will be only 5...

Страница 20: ...on must be sent in subsequent bursts of NMEA 0183 data These fields will be null if unused 4 2 6 Recommended Minimum Specific GPS TRANSIT Data RMC GPRMC 1 2 3 4 5 6 7 8 9 10 11 12 hh CR LF 1 UTC time of position fix hhmmss format 2 Status A Valid position V NAV receiver warning 3 Latitude ddmm mmmm format leading zeros will be transmitted 4 Latitude hemisphere N or S 5 Longitude dddmm mmmm format ...

Страница 21: ...e selected baud rate PGRMT 1 2 3 4 5 6 7 8 9 hh CR LF 1 Product model and software version variable length field e g GPS 15 VER 2 05 2 ROM checksum test P pass F fail 3 Receiver failure discrete P pass F fail 4 Stored data lost R retained L lost 5 Real time clock lost R retained L lost 6 Oscillator drift discrete P pass F excessive drift detected 7 Data collection discrete C collecting null if not...

Страница 22: ...LLEVUE IGN Efate and Erromango Islands 14 BERMUDA 1957 Bermuda Islands 15 BOGOTA OBSERVATORY Colombia 16 CAMPO INCHAUSPE Argentina 17 CANTON ASTRO 1966 Phoenix Islands 15 CAPE CANAVERAL Florida Bahama Islands 19 CAPE South Africa 20 CARTHAGE Tunisia 21 CHATHAM 1971 Chatham Island New Zealand 22 CHUA ASTRO Paraguay 23 CORREGO ALEGRE Brazil 24 DJAKARTA BATAVIA Sumatra Island Indonesia 25 DOS 1968 Gi...

Страница 23: ...N 1927 Alaska 56 NORTH AMERICAN 1927 Bahamas excluding San Salvador Island 57 NORTH AMERICAN 1927 Central America Belize Costa Rica El Salvador Guatemala Honduras Nicaragua 58 NORTH AMERICAN 1927 Canal Zone 59 NORTH AMERICAN 1927 Canada including Newfoundland Island 60 NORTH AMERICAN 1927 Caribbean Barbados Caicos Islands Cuba Dominican Republic Grand Cayman Jamaica Leeward Islands Turks Islands 6...

Страница 24: ...AN 1963 South Chile 87 SANTO DOS Espirito Santo Island 88 SAO BRAZ Sao Miguel Santa Maria Islands Azores 89 SAPPER HILL 1943 East Falkland Island 90 SCHWARZECK Namibia 91 SOUTHEAST BASE Porto Santo and Madeira Islands 92 SOUTHWEST BASE Faial Graciosa Pico Sao Jorge and Terceira Islands Azores 93 TIMBALAI 1948 Brunei and East Malaysia Sarawak and Sabah 94 TOKYO Japan Korea Okinawa 95 TRISTAN ASTRO ...

Страница 25: ...the download as they will only pertain to the GPS 15L and GPS 15H Selecting a Model After opening the program snsrcfg exe the following screen appears Select the radio button next to the type of Garmin sensor you are configuring Connecting to the Sensor After selecting the type of sensor the following window opens This is the Main Interface Screen for the program To configure your sensor you must ...

Страница 26: ...sensor as it is connected Sensor Configuration F6 Opens the Sensor Configuration Window shown to the right Many of the fields in this window should be left alone Please refer to the beginning of this manual for clarification about some of these fields For the most part this window is used to enter a new Latitude Longitude and Altitude for the sensor This is especially helpful when you are programm...

Страница 27: ...ee Connecting to the Sensor above Switch to Garmin Mode F11 Switches the unit to Garmin Mode Update Software F12 Not applicable for the GPS 15 After you have downloaded a new software version for the sensor you can update the sensor with the new software Select Update Software and then select the file using the Open dialog box You must locate both the rgn file and the updater exe file View Menu Th...

Страница 28: ...garmin com Copyright 2004 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 U S A Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL U K Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin com Part Number 190 00266 00 Rev B ...

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