> The GPS time is not very accurate anyway, and can vary wildly, probably
> depending on the device, so don't expect perfect offsets. On my Garmin GPS
> 18 LVC, I use 0.190 which gets it in the ballpark, but can randomly jump
> +16ms to -10ms at any time.
But if you let ntp handle the pps signal it should be a steady 0.0-0.1ms
difference as it then knows when this second started:
remote refid st t when poll reach delay offset jitter
==============================================================================
+GPS_NMEA(0) .GPS. 0 l 17 16 376 0.000 -0.001 0.001
oPPS(0) .PPS. 0 l 5 16 377 0.000 -0.001 0.001
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