Hi A “proper” timing device with antenna is a sub $100 sort of thing. It will be < 100 ns pretty much forever and ever.
Bob > On Mar 11, 2019, at 4:44 PM, Steve Olney <[email protected]> wrote: > > Hi Bob, > > On 12/03/2019 12:19 am, Bob kb8tq wrote: >> I doubt you will find this sort of information in any spec sheet on a basic >> GPS. The only practical >> answer is going to be “try it and see”. > > Yes - agreed. I was hoping someone would have tried it already on the GPS 16 > HVS unit as has been done for a different unit... > > https://blog.dan.drown.org/navspark-timer-drift-2/ > > ...which returns about 0.1 ms drift in phase over 15 minutes. > > I'll do a test as suggested elsewhere between a locked GPS and one which is > in invalid fix condition. > >> If this is for some sort of large scale system, that may not >> be the right way to do it…… > > No - it's not a large scale system. I want to time-stamp my Vela pulsar > data. Just recently I detected a glitch in the pulsar (the first amateur > radio astronomer to ever do so with any pulsar AFAIK)... > > http://www.astronomerstelegram.org/?read=12466 > > The professional guys were impressed with my data, but slightly disappointed > it didn't have accurate time-stamping. I am working to rectify that for the > next glitch. > > Cheers > > Steve > > HawkRAO > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
