>Note that serial port nmea is liable to be out by up to 1/2 sec and to have >a lot ( 10s of msec) jitter on it, since the end of the string received by >a slow serial port ( eg at 4800Bd, it takes an nmea sentence of about 60 >characters 1/8 of a second to be delivered and will have a jitter of few >characters in length-- or about 10ms jitter).
That sort of jitter can easily be corrected. Has anybody looked at a scope to see if the leading edge of a NMEA string looks stable? -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
