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A-58 Lassen-SK8 Embedded GPS Module
Trimble Standard Interface Protocol
A.17.57 Report Packet 0x85
This packet provides the status of differential corrections for a specific satellite. It is sent
in response to Packet 0x65. The format of this packet is shown in Table A-65.
The summary status code is encoded in Table A-66.
A.17.58 Packets 0x8E and 0x8F
Refer to Section A.18 for information on Packets 0x8E and 0x8F.
Table A-65. Report Packet 0x85 Data Formats
Report 85
Byte Item Type Units
0 Satellite PRN number BYTE
1 Summary status code BYTE
2 Station health BYTE
3 Satellite health (UDRE) BYTE
4 IODE 1 BYTE
5 IODE 2 BYTE
6 Z-count as Time-of-Week SINGLE seconds
10 Range correction SINGLE meters
14 Range-rate correction SINGLE m/sec
18 Delta range correction SINGLE meters
Table A-66. Report Packet 0x85 Summary Status Code Encoding
0 good correction data
1 good delta correction data
2 station health bad (5 or 7)
3 data too old (60 seconds)
4 UDRE too high (>4)
5 IODE mismatch with ephemeris
6 satellite not in current Type1 message