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Novatel OM-AD-0020 Example: $GEPA,991,496487.00,991,495913.00,10787,4,12,83,0,-2.102581933593754E+007

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Appendices

44 Test Bed Receiver Subsystem Addendum – Rev 1

16 VelZ Z coordinate for satellite velocity at reference time (PZ90), in meters/s -3.387468338012698E+003

17 LSAccX X coordinate for lunisolar acceleration at reference time (PZ90), in meters/s/s -1.862645149230957E-006

18 LSAccY Y coordinate for lunisolar acceleration at reference time (PZ90), in meters/s/s 9.3132257461547851E-007

19 LSAccZ Z coordinate for lunisolar acceleration at reference time (PZ90), i n meters/s/s -9.313225746154785E-007

20 Tau Clock offset from GLONASS time, in seconds -3.913920372724533E-004

21 Gamma Frequency Correction, in seconds/second 7.2759576141834267E-012

22 Tk Time of frame start (since start of GLONASS day), in seconds 73800

23 Age Age of data, in days 0

24 Flags Information flags (see Table 3, Page 46) 13

25 *xx Checksum *49

26 [CR][LF] Sentence Terminator [CR][LF]

NOTE: 1 Time offset = 3 hours + GPS UTC offset. See Page 26 for more information on GLONASS time.

Example: $GEPA,991,496487.00,991,495913.00,10787,4,12,83,0,-2.102581933593754E+007

-1.216645166015627E+007,7.7982763671875110E+006,-9.655075073242192E+002

-5.014476776123048E+002,-3.387468338012698E+003,-1.862645149230957E-006

9.3132257461547851E-007,-9.313225746154785E-007,-3.913920372724533E-004

7.2759576141834267E-012,73800,0,13,*49,[CR][LF]

Contents

Main Test Bed Receiver Subsystem Addendum Proprietary Notice TABLE OF CONTENTS Page TABLES Page FOREWORD SCOPE PREREQUISITES 1 INTRODUCTION THE NOVATEL TEST BED RECEIVER 1 - Introduction Test Bed Receiver Subsystem Addendum Rev 1 9 OPERATIONAL OVERVIEW L1/L2-I L1/L2-II GEO Processing Single Frequency GPS GLONASS Dual Frequency GPS GEO Other Outputs & Inputs 2 INSTALLATION OF TEST BED RECEIVER MINIMUM CONFIGURATION INTERNAL AND EXTERNAL OSCILLATORS CONNECTING THE EXTERNAL FREQUENCY REFERENCE CONNECTING DATA COMMUNICATIONS EQUIPMENT DCD RXD TXD DTR GND DSR RTS CTS NC CONNECTING THE GPS ANTENNA CONNECTING THE EXTERNAL POWER INPUT USING THE 10 MHz OUTPUT SIGNAL Page 3 OPERATION PRE-START CHECK LIST SERIAL PORTS - DEFAULT SETTINGS START-UP INITIAL COMMUNICATIONS WITH THE TEST BED RECEIVER 4 UPDATE OR UPGRADE YOUR GPSCARD UPGRADING USING THE $AUTH COMMAND UPDATING USING THE LOADER UTILITY TRANSFERRING FIRMWARE FILES USING THE LOADER UTILITY A WAAS OVERVIEW B GLONASS OVERVIEW MILLENNIUM-GLONASS GPSCARD X GLONASS SYSTEM DESIGN The Space Segment The Control Segment The User Segment TIME GLONASS TIME VS. LOCAL RECEIVER TIME DATUM FUNCTIONAL OVERVIEW MILLENNIUM-GLONASS GPSCARD SYSTEM Reference Description Reference Description GPS/GLONASS ANTENNA RADIO FREQUENCY (RF) SECTION DIGITAL ELECTRONICS SECTION Page C COMMANDS CONFIG IONOMODEL WAASCORRECTION LOGS RCCA RECEIVER CONFIGURATION D GLONASS COMMANDS AND LOGS GLONASS-SPECIFIC COMMANDS DGLOTIMEOUT Syntax: Options: PZ90TOWGS84 Syntax: Options: Example: PZ90TOWGS84 DEFAULT UNIMPLEMENTED COMMANDS GLONASS-SPECIFIC LOGS CALA/B CALIBRATION INFORMATION CALA Page CALB Format: Message ID = 87 Message byte count = 32 + (16 * 32) GALA/B ALMANAC INFORMATION GALA GALB Format: Message ID = 78 Message byte count = 112 GCLA/B CLOCK INFORMATION GCLA Table 2 Time Status Example: $GCLA,994,149871.00,10787,10.62179349,167.82950123,1121, -3.0544738044739E-007,9,4,00000000*7B,[CR][LF]GCLB GCLB Format: Message ID = 88 Message byte count = 68 GEPA/B EPHEMERIS INFORMATION GEPA Example: $GEPA,991,496487.00,991,495913.00,10787,4,12,83,0,-2.102581933593754E+007 GEPB Format: Message ID = 77 Message byte count = 156 Page OTHER NOVATEL LOGS RCCA RECEIVER CONFIGURATION E TEST BED RECEIVER - TECHNICAL SPECIFICATIONS Page Appendices 50 Test Bed Receiver Subsystem Addendum Rev 1 Default Channel Assignments INDEX