OK, not useless, just an order of magnitude worse than something that cost less than 1/2 the price. But you are right that many people only care about hundredths of seconds.
The main problem with the nav receivers is they don't do a self survey so there is some position uncertainty. But that only applies if you care about nanoseconds. On Tue, May 14, 2013 at 12:48 PM, Bert, VE2ZAZ <[email protected]> wrote: > Why should a navigation GPS be useless for timing? A lot of people use Oncore > GT+ GPS's with satisfactory results. In the end, it all depends on the > performance you expect from your system... > > Regards, > > Bert, VE2ZAZ > > ------------------------------------------------------------ > Date: Tue, 14 May 2013 09:02:17 -0700 > From: Chris Albertson <[email protected]> > To: Discussion of precise time and frequency measurement > <[email protected]> > Subject: Re: [time-nuts] adafruit $40 GPS > Message-ID: > <cabbxvhuo5upb7oxj7bbrvcuzwdxzm9gexngs90n9n2ic3du...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > The adafruit GPS has a built in antenna. But you can add an external one. > > But why use this for timing? They don't even give a spec for timing > accuracy and it is likely NOT a timing GPS. It is a navigation unit. > Pretty much useless for timing. > > Also the price is to high. You can do better in eBay, real timing > units sell for as little as $15. > _______________________________________________ > 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. -- Chris Albertson Redondo Beach, California _______________________________________________ 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.
