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NMEA 0183
C
PS - PPS Configuration
This sentence can query or set PPS configuration data.
$PTNLaPS,b,x...x,6,x...x*hh
Table C.26
PPS Configuration
Field Description
a
Mode (Q = query; S = set; R = Response)
b PPS mode, default is 1:
0 - PPS_OFF (Always Off)
1 - PPS_ON (Always On or Early PPS)
2 - PPS_FIX_BASED
x...x Output pulse length in 100 nanoseconds, default is 42
corresponding to 4200 nanoseconds. Pulse length range is
100ns to 500ms. Field value range is 1 to 5000000.
c Output pulse polarity, default is 1:
0 - output pulse is active low
1 - output pulse is active high
x...x Antenna Cable Length Compensation. Default = 0, Units in
nanoseconds. Can be positive or negative. Negative value will
mean PPS comes out earlier, e.g. to compensate for cable delay.
Copernicus GPS Receiver 233