Trimble Outdoors SPSX51 - Manual (Page 151)

SPSx51 Modular GPS Receivers User Guide 149
GSOF Messages B
Table B.19 Flags: Bit values
Bit Meaning
0 Time information (week and millisecond of week) validity
0: Not valid
1: Valid
1 UTC offset validity
0: Not valid
1: Valid
Table B.20 Velocity flags: Bit values
Bit Meaning
0 Velocity data validity
0: Not valid
1: Valid
1 Velocity computation
0: Computed from doppler
1: Computed from consecutive measurements
2–7 Reserved (set to zero)
Table B.21 SV flags: 1 bit values
Bit Meaning
0 Satellite Above Horizon
0: No. 1: Yes.
1 Satellite Currently Assigned to a Channel (trying to track)
0: No. 1: Yes.
2 Satellite Currently Tracked on L1 Frequency
0: No. 1: Yes.
3 Satellite Currently Tracked on L2 Frequency
0: No. 1: Yes.
4 Satellite Reported at Base on L1 Frequency
0: No. 1: Yes.
5 Satellite Reported at Base on L2 Frequency
0: No. 1: Yes.
6 Satellite Used in Position
0: No. 1: Yes.
7 Satellite Used in Current RTK Process (Search, Propagate, Fix Solution)
0: No. 1: Yes.
Table B.22 SV flags: 2 bit value
Bit Meaning
0 Satellite Tracking P-Code on L1 Band
0: No. 1: Yes.
1 Satellite Tracking P-Code on L2 Band
0: No. 1: Yes.
2–7 Reserved. Set to zero.