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Copernicus GPS Receiver 2 3 3
NMEA 0183 C
PS - PPS Configuration
This sentence can query or set PPS configuration data.
$PTNLaPS,b,x...x,6,x...x*hh<CR><LF>
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.
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.
nanoseconds. Can be positive or negative. Negative value will
mean PPS comes out earlier, e.g. to compensate for cable delay.