Good, so we can see that position hold -> can use down to one satellite, sawtooth correction -> we can squeeze the most out of the PPS precision, whatever receiver (navigation/timing/other) we have. Good to know that the NEO-6M navigation receiver has the sawtooth correction.
On Wed, Mar 13, 2013 at 7:42 PM, Michael Tharp <[email protected]>wrote: > On 3/13/2013 13:15, Azelio Boriani wrote: > >> Then you will start to >> appreciate things that will lead you to a timing receiver with the >> sawtooth >> correction. >> > > For what it's worth: I have been evaluating the NEO-6M, a navigation > receiver, for use in a NTP server which I have posted here in the past. It > seems to perform quite well. It *does* have sawtooth correction, probably > because it has a timing cousin (NEO-6T), and is stable enough to get RMS > jitter to sub-10ns where the "noise floor" of my input capture is. It does > not, however, have position hold (they have to have *some* reason to charge > triple the price for a 6T) so over moderate timescales it might wander > slightly more. > > Would I use 6M in a GPSDO? Probably not. But the PPS is pretty good, and > some navigation receivers *do* have sawtooth correction, which I guess was > really the point I was getting at. > > -- m. tharp > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
