[ntp:questions] PPS and NMEA
Rob van der Putten
rob at sput.nl
Mon Sep 10 09:02:37 UTC 2012
> Kindly let me know what is the difference between NTP with PPS and NTP with out PPS.
NMEA can be a bit off with some GPS receivers. PPS tends to be very
When using RS232, NMEA is send via a data line. PPS via the DCD status line.
A few graphs;
Using the following setup;
NMEA and PPS;
With these receivers DCF77 so more accurate then NMEA. PSS is more
accurate then DCF77
The end is near;
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