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Technical Reference Manual Rev. N
i
Table of Contents
Table of Contents ....................................................................................................................... i
Notices ...................................................................................................................................... iv
Copyright .........................................................................................................................................iv
Trademarks......................................................................................................................................iv
User Notice ......................................................................................................................................iv
Discontinuation of WCT Service ..................................................................................................iv
Revision History ........................................................................................................................ v
Use of this Document ............................................................................................................... x
Related Documents ............................................................................................................................ x
StarUtil Users Guide P/N 96-310008-3001 ....................................................................................... x
RINEXUtil Users Guide P/N 96-310021-2101 .................................................................................. x
Integrators Toolkit P/N 97-310020-3001 ........................................................................................... x
NavCom Release Notes ................................................................................................................... x
Related Standards ..............................................................................................................................xi
ICD-GPS-200 ...................................................................................................................................xi
RTCM-SC-104 .................................................................................................................................xi
CMR, CMR+ ....................................................................................................................................xi
NMEA-0183 .....................................................................................................................................xi
Publicly-Operated SBAS Signals ......................................................................................................xi
RTCA/DO-229D ..........................................................................................................................xi
WAAS (Wide Area Augmentation System) ..................................................................................xi
EGNOS (European Geostationary Navigation Overlay Service) ...................................................xi
MSAS (MTSAT Satellite-based Augmentation System) ...............................................................xi
GAGAN (GPS Aided Geo Augmented Navigation) ......................................................................xi
Fundamental NCT Binary Message Block Format ................................................................ 13
Message Application......................................................................................................................... 13
Message Query ................................................................................................................................ 13
Message Organization ...................................................................................................................... 13
Parameter Length: ......................................................................................................................... 13
Parameter Words ........................................................................................................................... 14
Measurements: .............................................................................................................................. 14
Protocol ............................................................................................................................................ 14
General message format: ............................................................................................................... 14
Message Updates & Software Revisions ........................................................................................ 15
NVRAM Storage ............................................................................................................................ 15
Factory Default Settings ................................................................................................................... 16
COM1 ............................................................................................................................................ 16
COM2 ............................................................................................................................................ 16
Message Descriptions ............................................................................................................... 16
GPS Week Number .......................................................................................................................... 17
GPS Time......................................................................................................................................... 18
Port Configuration .................................................................................................................. 19
Input/Output Ports (Physical; NavCom products): ........................................................................... 19
Input/Output Ports (Logical): ........................................................................................................... 19
Block Diagram ............................................................................................................................... 19
Communication Port Connectivity ................................................................................................... 20
Applications ............................................................................................................................ 21
System Control & Response Commands .............................................................................. 23
0x06 - Acknowledgment (without error) - 6 bytes ............................................................................... 23
0x11 - Serial Port Configuration - 6 + (2 x N) bytes ........................................................................... 24
0x12 - Data-Sync Signal Configuration - 6 bytes ............................................................................... 26
0x14 - Channel, Mode and Raw Data assignment - 8 bytes .............................................................. 27
0x15 - Negative Acknowledge (NAK) - 6 + (n x 2) bytes .................................................................... 28
0x16 - 1PPS Configuration - 12 bytes ............................................................................................... 29
0x19 - Reset Block - 6 or 8 bytes ...................................................................................................... 30