After upgrading the firmware in my CW25, I took a look at the new firmware .bin
file and found what looks like some undocumented / new messages and parameters.
I sent it requests for the unknown parameters and got back these strings:
$PRTHR,PPSO,0,0,10*51
$PRTHR,MCNO,30*40
$PRTHR,IDNO,00*40
Does anybody know what the PPSO, MCNO, and IDNO parameters are?
The PPSO one sounds interesting... perhaps a PPS offset or cable delay setting?
Maybe MCNO is a signal level mask? It returns 30, but my receiver is tracking
sats with quite a bit lower signal levels.
I also found references to the following messages:
$POLYD
$POLYN
$POLYX
$GPRMX (?)
I tried enabling them but got no response. The $POLYx messages are proprietary
Navsync NMEA format messages.
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