Hi A lot of the low cost pps receivers do not have position hold at all. That makes the whole survey process a bit less important.
Bob On May 14, 2013, at 6:22 PM, Chris Albertson <[email protected]> wrote: > 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. _______________________________________________ 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.
