Trimble Outdoors CopernicusTM GPS Receiver GPS Receiver User Manual


 
A TRIMBLE STANDARD INTERFACE PROTOCOL (TSIP)
174 Copernicus GPS Receiver
Report Packet 0x8F-26 - Non-Volatile Memory Status
This report will be issued after an 0x8E-26 command.
Table A.70 Report Packet 0x8F-26
Report Packet 0x8F-2A - Fix and Channel Tracking Info, Type 1
This packet provides compact fix and channel tracking information. This packet can
be requested or set up for automatic output by 0x8E-2A. Total packet length
(including header DLE, packet ID 0x8F, packet data as described below and trailing
DLE/ETX bytes): 168 bytes.
Table A.71 Report Packet 0x8F-2A
Byte Item Type Value Definition
0 Subcode UINT8 0x26 Save settings
1-4 Reserved
Byte Offset Item Type Value Definition
0 Packet sub-code UINT8 0x2A Packet sub-code (always 0x2A).
1 <reserved> UINT8 0x00 Reserved for future use.
2 <reserved> UINT8 0x00 Reserved for future use.
3 GPS Week Number UINT16 0 to
1023
10-bit GPS week number of
measurement (in weeks).
5 GPS Millisecond UINT32 0 to
603799999
GPS time of week of
measurement (in milliseconds).
9 Fractional GPS
Nanosecond
INT32 -500000 to
500000
Fractional part of the GPS
millisecond (in nanoseconds).
See Note 1.
13 Altitude INT32 Any Altitude above WGS-84
ellipsoid (in millimeters).
17 Receiver Status
Code
UINT8 Any 0x00 - Doing position fixes
0x01 - Don't have GPS time yet
0x03 - PDOP is too high
0x08 - No usable satellites
0x09 - Only 1 usable satellite
0x0A - Only 2 usable satellites
0x0B - Only 3 usable satellites
Other values indicate internal
status codes when the receiver
is not generating valid position
fixes.