[ntp:questions] Garmin GPS 18LVC Setup but questions on best way

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Tue Dec 30 02:44:10 UTC 2008


>>You are probably detecting the wrong edge (wrong polarity) of the second 
>>pulse.
>So how in the world do I fix this? 

There is a fudge parameter to use the other polarity.

>Prior to having both NEMA and PPS running at the same time all was
>working well with just PPS and the shm driver.

That could easily happen if the default edge to use is different
in gpsd and ntpd.

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