Campbell SAT HDR GOES Instruction Manual Download

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SAT HDR GOES TRANSMITTER

INSTRUCTION MANUAL

REVISION: 1/04

Summary of Contents for SAT HDR GOES

Page 1: ...SAT HDR GOES TRANSMITTER INSTRUCTION MANUAL REVISION 1 04 COPYRIGHT c 2000 2004 CAMPBELL SCIENTIFIC INC ...

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Page 3: ...ability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization To obtain a Returned Materials Authorization RMA contact CAMPBELL SCIENTIFIC INC phone 435 753 2342 After an applications engineer determines the nature of the problem an RMA number will be issued Please ...

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Page 5: ...Comm 8 4 2 Load and Edit the Configuration File 8 4 3 Making Edits 9 4 3 1 Platform ID 9 4 3 2 Mode 9 4 3 3 Message Window 9 4 3 4 Minimum Supply Voltage 9 4 3 5 Timed Configuration 9 4 3 6 Timed Channel 9 4 3 7 Baud Rate 10 4 3 8 Interleaver 10 4 3 9 Random Configuration 10 4 3 10 GPS Fix Time Out 10 4 3 11 Communication Port Type 11 4 3 12 Serial Time Out 11 4 3 13 SDI 12 Settings 11 4 3 14 Debu...

Page 6: ...Programming Examples 23 5 4 1 Using P126 23 6 Field Installation 26 6 1 Field Site Requirements 26 6 2 Transmission Antenna 26 6 3 GPS Antenna 26 6 3 1 How the GPS Signal is Acquired and Used 26 6 3 2 GPS Antenna Location 27 Appendices A Information on Eligibility and Getting Onto the GOES System A 1 A 1 Eligibility A 1 A 2 Acquiring Permission A 1 B Data Conversion Computer Program B 1 C Antenna ...

Page 7: ...lt Codes 17 5 2 2 P127 Result Codes 17 5 3 1 P127 Command 0 Read Time 19 5 3 2 P127 Command 1 Read Status 19 5 3 3 P127 Command 2 Read Last Message Status 19 5 3 4 P127 Command 3 Initiate Random Transmission 20 5 3 5 P127 Command 4 Read SAT HDR GOES Error Registers 20 5 3 6 Error Codes 21 5 3 7 P127 Command 5 Clear Error Registers 22 5 3 8 P127 Command 6 Force On line Mode 23 D 1 RAWS 7 Output D 2...

Page 8: ...SAT HDR GOES Transmitter Table of Contents iv This is a blank page ...

Page 9: ...HDR GOES supports the following certification standards 300 1200 BPS DCPRS Certification Standard version 1 0b March 2000 100 BPS Self timed DCPRS Certification Standard November 1981 100 BPS Random DCPRS Certification Standard November 1981 SDI 12 A Serial Digital Interface Standard for Microprocessor based Sensors version 1 2 October 21 1996 High data rates are supported The SAT HDR GOES include...

Page 10: ... to GOES West Channels used outside the United States are assigned to either spacecraft 2 2 NESDIS and Transmit Windows GOES is managed by the National Environmental Satellite Data Information Service NESDIS NESDIS assigns the platform ID uplink channel number and self timed or random transmit time windows Self timed windows allow data transmission only during a predetermined time frame typically ...

Page 11: ... DESICCANTS GATES UNITED DESICCANTS GAT ES SE DIFF G G H L 1 2 1 AG H L AG H L AG E1 AG E2 G 3 4 2 5 6 3 SE DIFF G G H L 7 8 4 AG H L AG H L AG E3 AG G G 9 10 5 11 12 6 P1 G P2 G C8 C7 C6 C5 C4 C3 C2 C1 G 12V 12V SDM 5V 5V G G SW 12V SW 12V CTRL Logan Utah G 12V G 12V POWER IN CR10X WIRING PANEL MADE IN USA WIRING PANEL NO EARTH GROUND CS I O FIGURE 2 1 Major Components of the GOES DCP System 3 SA...

Page 12: ...y three pins are used transmit on pin two receive on pin three and ground on pin five Transmit is an output and receive is an input to the SAT HDR GOES The configuration port is used in conjunction with a PC and the 32 bit windows compatible software DCPComm DCPComm software is used to transmit the configuration information from the computer to the SAT HDR GOES transmitter DCPComm communicates wit...

Page 13: ... an 11 dbic gain antenna At 1200 BPS the nominal EIRP is 52 dBm 3 4 2 GPS Receiver Connector The GPS connector is an input to the SAT HDR GOES Operation without an antenna connected will not cause damage but the transmitter will not transmit without a valid GPS fix The GPS connector is an OSX MCX jack The GPS receiver uses an active 3 3 V 13 dB gain ceramic patch antenna The GPS antenna gain at th...

Page 14: ...two You must consider the current travels from the battery to the transmitter and back to the battery The SAT HDR GOES will operate with a battery voltage range from 9 6 V to 16 V A fully charged lead acid battery will have a voltage of about 12 5 V If the battery is fully charged a 3 V drop along the battery leads will stop the transmitter from transmitting At 4 amps 3 V will be dropped with 0 75...

Page 15: ...ransmitter Configuration Port Used to set up DCP parameters GPS Port Connects to the GPS antenna Status LED Illuminates during transmission or after the reset switch has been set to indicate proper function flashes to indicate fail safe mode SDI 12 Port Used to communicate with SDI 12 sensors in applications without dataloggers Auxiliary RS 232 I O Port Used to communicate with non Campbell Scient...

Page 16: ...ASLFJO AKD ASLFJO AKD SPECIFICATION MIL D 3463 KALDHFI O AKJI AI AJHFHO ALDLIFJ ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD DO NOT EAT UNITED DESICCANTS GATES UNITED DESICCANTS GATES DO NOT EAT UNIT ED DESI CCA NTS GATE S UNI TED DES ICC ANT S G ATE S FIGURE 3 3 DCP Enclosure 4 DCPComm Certain information required by NESDIS is unique to each D...

Page 17: ... 3 4 Minimum Supply Voltage The minimum supply voltage is the power supply voltage where the transmitter will stop transmitting The default value of 96 9 6 volts is the lowest voltage level where the transmitter can function Values greater than 96 can be used to prevent the transmitter from completely drawing down a week power supply Generally this field should be left at the default value 4 3 5 T...

Page 18: ...ransmission the transmitter will select a pseudo random time somewhere within the random interval This process is repeated until the datalogger removes the data from the random buffer The random channel is the NESDIS assigned random transmission channel When using 100 and 300 baud valid channel numbers are 0 to 266 When using 1200 baud valid channel numbers are 0 to 133 where 100 to 133 are intern...

Page 19: ... The SDI 12 sensor address and the command the SAT HDR GOES will issue to the SDI 12 sensor Valid SDI 12 addresses are 0 through 9 When the command is NNN the sensor is not sampled Concurrent measurements are supported 4 3 14 Debug When debug is on status messages are sent out the configuration port The default state is off When finished editing the configuration file save the edits 4 4 Transfer t...

Page 20: ...en to To send a file to a buffer select Terminal Write File to Buffer Using the write file option allows you to send the same data many times without having to retype it Strings sent to the transmitter are scheduled for transmission The Start Timed Messages option is used to repeatedly send data to either buffer of the SAT HDR GOES Timed messages are similar to the Send data command except the com...

Page 21: ...gister The Read Error Register command will display the number of errors that have occurred since the unit was last reset The command that caused the error and the error code for the last four errors are displayed All errors should be investigated Many times a simple GPS fix error is not a problem unless the system routinely has trouble acquiring a GPS fix The SAT HDR GOES requires a regular GPS f...

Page 22: ...e retrieved Data can be sent to the self timed buffer 20 seconds before transmit time otherwise the data will be scheduled for a later transmission P126 should not be executed during a GPS fix 5 1 1 Deciding How Much Data will be Transmitted and When The amount of data that can be transmitted depends on several factors the transmit window length the transmit baud rate and the data format The trans...

Page 23: ...transmitter New data is all data that has been written to the active final storage area since P126 last executed Two separate data files can be maintained by managing which final storage area is active when data is written The amount of data copied to the transmitter and the order of data copied to the transmitter can be controlled by utilizing both final storage areas If using FS2 datalogger memo...

Page 24: ...ined This is an efficient data format Floating point ASCII requires 7 bytes per data point Data must be low resolution Sign and decimal location are maintained Data does not need to be converted after transmission Data points are separated by a comma This is not an efficient data format but it is convenient Binary 18 bit integer data format requires 3 bytes per data point All data stored in datalo...

Page 25: ... the data The result codes can be utilized to increase the success rate of data transmissions When the result code is 0 all went well When the result code is 2 6 P126 did not execute properly but can still send the data A result code of 7 indicates P126 did not execute properly and the data probably cannot be sent again TABLE 5 2 1 P126 Result Codes 0 Command executed successfully 2 Time out waiti...

Page 26: ...will retrieve information from the SAT HDR GOES transmitter 2 Datalogger will initiate a test transmission on a random channel 3 Datalogger will reset the error register of the SAT HDR GOES 4 Return SAT HDR GOES to on line mode following a forced random transmission Parameter 1 allows you to determine what command will be issued to the SAT HDR GOES Parameter 2 is the starting input location for th...

Page 27: ...Hours 9 Time until next random transmission interval start Minutes 10 Time until next random transmission interval Seconds 11 Failsafe 1 indicates transmitter disabled due to failsafe 12 Loaded power supply voltage 1 amp load tenths of volts 13 Average GPS acquisition time tens of seconds 5 3 2 3 P127 Command 2 Read Last Message Status Returns information specific to the last message transmitted p...

Page 28: ... HDR GOES is erased Random transmission may require up to five minutes GPS timeout for setup and transmission If command 6 is executed before transmission random transmission will be canceled During GPS acquisition the LED will light solid green During transmission the LED will light solid red Command 3 will return 1 value the command result code Zero indicates a successful execution of command 3 ...

Page 29: ...rror codes are very important information if the DCP experiences trouble during operation Generally a GPS time synchronize fault should not cause concern but a GPS fault may cause a scheduled transmission to be missed The data will be sent on the next transmission if P126 appends data to the self timed buffer The internal SAT HDR GOES errors provide critical information for diagnostics Error codes...

Page 30: ...tanding Wave Ratio SWR Fault The SWR fault can be triggered by several different conditions High reflected power will trigger the SWR fault Reflected power is caused by poor transmission antenna and or antenna cable condition or wrong type of antenna or antenna cable See Section 6 for transmission antenna information Ice build up on an antenna can change the antenna properties which can cause exce...

Page 31: ...torage area to the SAT HDR GOES data buffer Program example 1 writes data to final storage once an hour and transfers data to the SAT HDR GOES once every 4 hours Program Example 1 Set output flag high hourly 1 If time is P92 1 0 Minutes Seconds into a 2 60 Interval same units as above 3 10 Set Output Flag High Flag 0 Write a time stamp to final storage 2 Real Time P77 1 1221 Year Day Hour Minute S...

Page 32: ...me units as above 3 10 Set Output Flag High Flag 0 Write a time stamp to final storage 2 Real Time P77 1 1221 Year Day Hour Minute Seconds midnight 2400 Write 41 input locations to final storage 3 Sample P70 1 41 Reps 2 1 Loc Status_RC Check if top of 4 hour interval if true execute P126 4 If time is P92 1 0 Minutes Seconds into a 2 240 Interval same units as above 3 30 Then Do Transfer data to SA...

Page 33: ... Result Code Loc P126_RC Check number of times P126 has been executed unsuccessfully If P126 failed more than 3 times give up and reset counter 11 If X F P89 1 42 X Loc Counter 2 3 3 4 F 4 30 Then Do Reset counter 12 Z F P30 1 0 0 F 2 00 Exponent of 10 3 42 Z Loc Counter Set P126 result code to zero this will stop P126 from executing until the 4 hour transmit time comes around again 13 Z F P30 1 0...

Page 34: ...etic Declination in the Magnetic Variance field base your azimuth off magnetic North If you don t know the field site elevation take a guess Field site elevation has little influence on antenna azimuth and elevation The accuracy of the antenna aiming is not critical but should be reasonably good As a guide if the antenna is aimed 25 degrees off the spacecraft the received power will be half of a p...

Page 35: ...d transmissions or possibly stop all transmissions The GPS antenna mounting location is limited by the antenna cable length Campbell Scientific supplies two different GPS antennae with different cable lengths The 5 meter cable is intended for 6 and 10 foot tripod mounted applications The 10 meter cable length allows mounting the antenna further away The antenna cable can t be shortened or lengthen...

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Page 37: ...via GOES Non U S or private users must also submit a written statement indicating that their sponsor requires all or part of the transmitted data NESDIS will fax or mail the user a question form to complete and submit for approval DCS Coordinator Federal Office Building 4 Suitland MD 301 457 5681 http dcs noaa gov contact htm 2 Following approval NESDIS sends a Memorandum of Agreement MOA The MOA ...

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Page 39: ...T J 110 FOR I 1 TO J 120 DV I MID A 3 I 2 3 130 NEXT I 140 B RIGHT A LEN A 3 J 160 A B A 170 K INT LEN A 3 180 L J 190 FOR I J 1 TO L 200 DV I MID A 3 I J 2 3 210 NEXT I 270 FOR I 1 TO L 280 A ASC LEFT DV I 1 AND 15 290 B ASC MID DV I 2 1 AND 63 300 C ASC RIGHT DV I 1 AND 63 310 IF A 64 B 1008 THEN DV B 48 64 C 9000 GOTO 400 320 IF A AND 8 THEN SF 1 ELSE SF 1 330 IF A AND 4 THEN SF SF 01 340 IF A ...

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Page 41: ...R ATN X1 SQR X1 X1 1 B BR 1 01745329 115 GOSUB 300 120 A1 90 C R1 A1 01745329 130 S1 6378 AH 0003048 SIN R1 140 S2 35785 6378 S1 150 A2 180 A1 R2 A2 01745329 155 S4 SQR S1 2 6378 AH 0003048 2 160 S3 SQR S4 2 S2 2 2 S4 S2 COS R2 170 X2 SIN R2 S3 S2 180 ER ATN X2 SQR X2 X2 1 E ER 1 01745329 190 PRINT ANTENNA ELEVATION ANGLE E DEGREES 200 PRINT ANTENNA AZIMUTH ANGLE B DEGREES 210 PRINT PRINT PRINT HI...

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Page 43: ...l data beyond the RAWS 7 data after the RAWS 7 data has been sent to the transmitter The RAWS 7 format has some special functions built in The RAWS 7 format will behave differently depending on the amount of data in the active final storage area of the datalogger If there are 7 data points in the active final storage area that have not been sent to the transmitter the datalogger will format 1 colu...

Page 44: ...ain hr xx xx 2 Wind Speed 10 min avg xxx 3 Wing Direction 10 min avg xxx 4 Air Temp Sample xxx 5 RH 10 min avg xxx 6 Fuel Temp Sample xxx 7 Battery Voltage Sample xx x Using P126 for RAWS 7 data format P126 has three parameters Parameter 2 Data Format is used to select the desired data format 1 Data Transfer to HDR GOES P126 1 0000 Buffer Control 2 0000 Data Format 3 0000 Result Code Loc ______ Pa...

Page 45: ...opied to the transmitter When P126 is executed with a data format code of 4 through 8 the line of data is preceded by a carriage return and line feed Each data point is separated by a space Format code 8 can be used with high or low resolution data Three steps are required to write a row of data Set the output flag write data to final storage copy data to transmitter by executing P126 Program exam...

Page 46: ... Signature Prog_Sig RAWS 7 data format and transmission Program based on a 3 hour window Hourly data transmitted The hourly RAWS 7 values are written to final storage at the top of the hour At the top of the 3 hour interval the RAWS 7 values are copied to the SAT HDR GOES transmitter P126 Self timed insert format code 3 Four additional values are written to final storage and copied to the SAT HDR ...

Page 47: ...easure temperature and RH HMP45C L 6 Excitation with Delay P22 1 1 Ex Channel 2 0 Delay W Ex units 0 01 sec 3 15 Delay After Ex units 0 01 sec 4 0 mV Excitation 7 Volt SE P1 1 1 Reps 2 25 2500 mV 60 Hz Rejection Range 3 2 SE Channel 4 3 Loc AirTemp 5 1 Mult 6 40 Offset 8 Volt SE P1 1 1 Reps 2 25 2500 mV 60 Hz Rejection Range 3 1 SE Channel 4 4 Loc RH 5 1 Mult 6 0 Offset Measure wind speed 03001 L ...

Page 48: ...ll reps w E3 4 7 Loc FuelT 5 1 8 Mult 6 32 Offset Measure precip TE525 L 12 Pulse P3 1 1 Reps 2 2 Pulse Channel 2 3 2 Switch Closure All Counts 4 8 Loc Prcip 5 0 01 Mult 6 0 Offset Measure solar radiation LI200X L 13 Volt Diff P2 1 1 Reps 2 22 7 5 mV 60 Hz Rejection Range 3 3 DIFF Channel 4 9 Loc SRad 5 200 Mult 6 0 Offset Start of calculation section Set negative solar radiation values to zero 14...

Page 49: ...8 Z X F P37 1 3 X Loc AirTemp 2 1 8 F 3 3 Z Loc AirTemp 19 Z X F P34 1 3 X Loc AirTemp 2 32 0 F 3 3 Z Loc AirTemp Eliminate RH values greater than 100 20 If X F P89 1 4 X Loc RH 2 3 3 100 F 4 30 Then Do 21 Z F P30 1 100 F 2 0 Exponent of 10 3 4 Z Loc RH 22 End P95 correct zero wind speed offset 23 If X F P89 1 5 X Loc Wspd 2 4 3 0 4001 F 4 30 Then Do 24 Z F P30 1 0 F 2 0 Exponent of 10 3 5 Z Loc W...

Page 50: ...alculate program signature once a day 32 If time is P92 1 0 Minutes Seconds into a 2 1440 Interval same units as above 3 30 Then Do 33 Signature P19 1 2 Loc Prog_Sig 34 End P95 Calculate and hold 10 minute averages for Wspd and Wdir Values are written to input locations 10 and 11 Avg10WS Avg10WD 35 If time is P92 1 0 Minutes Seconds into a 2 10 Interval same units as above 3 10 Set Output Flag Hig...

Page 51: ...S 40 Maximum P73 1 1 Reps 2 0 Value Only 3 5 Loc Wspd 41 Sample on Max or Min P79 1 1 Reps 2 6 Loc Wdir Write hourly RAWS 7 data to final storage area 1 Order is important First in First out Precip Hourly Total Wind Speed 10 minute Average prior to the hour Wind Direction 10 minute Average prior to the hour Air Temperature Hourly Sample Fuel Temperature Hourly Sample RH Hourly Sample Battery Volta...

Page 52: ...et to insert data to self timed buffer Insert will erase the buffer before sending the new RAWS 7 data 52 Data Transfer to HDR GOES P126 1 1 Self Timed Insert 2 3 ASCII RAWS 7 Format 3 14 Result Code Loc P126_RC 53 End P95 Calculate and hold data beyond the RAWS 7 data Four additional data values are written Must create a table one column for each hour Each column has 4 data points Direction of Ma...

Page 53: ... MaxWS_Old 58 Sample P70 1 1 Reps 2 12 Loc MaxHrWS 59 Set Active Storage Area P80 1 3 Input Storage Area 2 22 Loc SRad_Old Solar radiation is high resolution format 60 Resolution P78 1 1 High Resolution 61 Average P71 1 1 Reps 2 9 Loc SRad 62 Resolution P78 1 0 Low Resolution Fuel Moisture 63 Set Active Storage Area P80 1 3 Input Storage Area 2 25 Loc FM_Old 64 Sample P70 1 1 Reps 2 28 Loc FuelM S...

Page 54: ...lution P78 1 1 High Resolution 72 Average P71 1 1 Reps 2 9 Loc SRad 73 Resolution P78 1 0 Low Resolution 74 Set Active Storage Area P80 1 3 Input Storage Area 2 26 Loc FM_Mid 75 Sample P70 1 1 Reps 2 28 Loc FuelM THIRD HOUR At the top of the 3rd hour move hourly data values to the new place holders 76 If time is P92 1 60 Minutes Seconds into a changed 3 31 0 2 180 Interval same units as above 3 10...

Page 55: ...e P70 1 1 Reps 2 28 Loc FuelM Data values beyond RAWS 7 written to final storage and copied to transmitter Write wind direction of the max wind speed max wind speed average solar radiation and fuel moisture to FS 1 and the GOES transmitter Format will look like xxx xxx xxx Dir Max WS Oldest to the left xxx xxx xxx Max WS Oldest to the left xxxxx xxxxx xxxxx Avg SRad Oldest to the left xxx xxx xxx ...

Page 56: ...Reps 2 16 Loc MaxWD_Old Copy Row 8 to transmitter 91 Data Transfer to HDR GOES P126 1 0 Self Timed Append 2 7 ASCII xxx Format 3 14 Result Code Loc P126_RC 92 Do P86 1 10 Set Output Flag High Flag 0 Write row 9 to final storage Max Wind Speed 93 Sample P70 1 3 Reps 2 19 Loc MaxWS_Old Copy to transmitter 94 Data Transfer to HDR GOES P126 1 0 Self Timed Append 2 7 ASCII xxx Format 3 14 Result Code L...

Page 57: ... Result Code Loc P126_RC 103 End P95 Table 2 Program 02 600 Execution Interval seconds 1 If time is P92 1 0 Minutes Seconds into a 2 180 Interval same units as above 3 30 Then Do 2 HDR GOES Status P127 1 2 Read Last Message Status 2 30 Result Code Loc L_Msg_RC 3 Z X F P37 1 35 X Loc Batt_load 2 1 F 3 35 Z Loc Batt_load 4 Z X F P37 1 36 X Loc GPSAccTm 2 10 F 3 36 Z Loc GPSAccTm 5 End P95 Set datalo...

Page 58: ...ocations 2 45 Loc GPS_hour 12 End P95 13 End P95 14 End P95 15 End P95 16 If time is P92 1 0 Minutes Seconds into a 2 180 Interval same units as above 3 10 Set Output Flag High Flag 0 17 Set Active Storage Area P80 1 2 Final Storage Area 2 2 222 Array ID 18 Real Time P77 1 0220 Day Hour Minute midnight 2400 19 Sample P70 1 1 Reps 2 14 Loc P126_RC 20 Sample P70 1 8 Reps 2 30 Loc L_Msg_RC 21 Sample ...

Page 59: ...01 762500 43 401 764000 22 401 764750 44 401 765500 45 401 767000 23 401 767750 46 401 768500 47 401 770000 24 401 770750 300 100 BPS Channels 1200 BPS Channels Channel Frequency Channel Frequency Number MHz Number A MHz 48 401 771500 49 401 773000 25 401 773750 50 401 774500 51 401 776000 26 401 776750 52 401 777500 53 401 779000 27 401 779750 54 401 780500 55 401 782000 28 401 782750 56 401 7835...

Page 60: ...000 70 401 908750 140 401 909500 141 401 911000 71 401 911750 142 401 912500 143 401 914000 72 401 914750 144 401 915500 300 100 BPS Channels 1200 BPS Channels Channel Frequency Channel Frequency Number MHz Number A MHz 145 401 917000 73 401 917750 146 401 918500 147 401 920000 74 401 920750 148 401 921500 149 401 923000 75 401 923750 150 401 924500 151 401 926000 76 401 926750 152 401 927500 153 ...

Page 61: ...00 113 402 037750 226 402 038500 227 402 040000 114 402 040750 228 402 041500 229 402 043000 115 402 043750 230 402 044500 231 402 046000 116 402 046750 232 402 047500 233 402 049000 117 402 049750 234 402 050500 235 402 052000 118 402 052750 236 402 053500 237 402 055000 119 402 055750 238 402 056500 239 402 058000 120 402 058750 240 402 059500 241 402 061000 121 402 061750 242 402 062500 243 402...

Page 62: ...Appendix E GOES DCS Transmit Frequencies E 4 This is a blank page ...

Page 63: ... a minimum magnitude of 0 00001 NESDIS has placed restrictions on the format of data sent over the GOES satellite network The first restriction is the use of 7 data bits and one parity bit per byte The second restriction is the most significant data bit of each byte bit 6 is always set Without data each byte transmitted over the satellite has the format of p1xxxxxx The x s will hold the 6 bits per...

Page 64: ...e positive data point conversion Byte Label byte 3 byte 2 byte 1 Actual data point 01000101 11110010 11010010 Drop first 2 bits of each byte 000101 110010 010010 Combine the 3 bytes into one word 000101 110010 010010 Convert from Binary to Decimal 23698 Example of a negative data point conversion Byte Label byte 3 byte 2 byte 1 Actual data point 01111010 11001101 11101101 Drop first 2 bits of each...

Page 65: ...G 1 Appendix G GOES Radio Set Certification ...

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