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Using the FirstGPS API
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FirstGPS Starter Kit User Guide
1.5.3
Channel Status Code
1.5.4
Navigation Status Code
1.5.5
DGPS Operating Mode
Define Value Description
STATUS_RESET 0 Know nothing condition.
STATUS_TIME_KNOWN 1 MSEC ambiguity resolved.
STATUS_FREQ_LOCK 2 Delta phase + range.
STATUS_PHASE_LOCK 4 Phase, delta phase + range.
STATUS_LOCK_POINT_KNOWN 8 Resolved 1/2 cycle.
STATUS_FRESH_MEAS 16 At least one measure in the last measured
period; measured period is the inverse of
the measurement rate.
STATUS_GOOD_PARITY 32 At least 1 good parity result.
STATUS_VALID_MEAS 64 Measurement passes “goodness” checks.
STATUS_HEALTHY 128 Satellite data = healthy.
Define Value Description
EPH_DECODED 1 Ephemeris has been decoded.
EPH_GOOD 2 Ephemeris is good.
EPH_USED_IN_FIX 16 Used in the current position fix
EPH_DGPS_CORR 32 DGPS correction is available
Define Value Description
DGPS_OFF 0 Differential GPS is off.
DGPS_ONLY 1 Set to differential GPS only.
DGPS_AUTO_OFF 2 Auto mode off.
DGPS_AUTO_ON 3 Auto mode on.