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256 MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1
Table D-7 is referenced by the ETSA/B, and RGEA/B/D logs.
Table D-7, Bits 0 - 3: Channel Tracking State
Table D-7,
Bits 12-14: Correlator Spacing
State Description State Description
0 L1 Idle 6 L1 Steering
1 L1 Sky search 7 L1 Frequency-lock loop
2 L1 Wide frequency band pull-in 8 L2 Idle
3 L1 Narrow frequency band pull-in 9 L2 P-code alignment
4 L1 Phase-lock loop 10 L2 Search
5 L1 Re-acquisition 11 L2 Phase-lock loop
Higher numbers are reserved for future use
State Description
0 Unknown: this only appears in versions of software previous to x.45, which didn’t use this field
1 Standard correlator: spacing = 1 chip
2 Narrow Correlator tracking technology: spacing < 1 chip
Higher numbers are reserved for future use