[time-nuts] Nav Receiver Sawtooth Correction?
hmurray at megapathdsl.net
Mon Mar 24 02:31:43 EDT 2014
bob at evoria.net said:
> Thanks for the response. I've got a UT+ in the parts box. But that's not
> the problem I'm trying to solve. I'm trying to make the best GPSDO that I
> can make using a nav receiver at the moment. Call it an obsession if you
> like. It's OK if I don't have corrections to the nanosecond for each PPS.
> But I can see the nav receiver wandering around; especially on cloudy days,
> (the antenna is in the attic, so that's about the best I can do for that)
> and it just seems to me that I should be able to do a general correction for
> nav position errors. Sorry if my naive posts are starting to get on
> people's nerves.
If I was doing something like that, I'd skip the samples where the location
was outside a range rather than trying to correct. (even if the GPS marked
them as "good") And maybe skip several samples each side of the ones out of
If you have a good reference, you should be able to collect some data and see
how it looks.
These are my opinions. I hate spam.
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