Hi A lot depends on weather it's 50 ns right out of the spout (1 second samples or what ever) or if it's a couple day average. There are a number of odd things that happen with the sunrise and sunset.
Bob -----Original Message----- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Poul-Henning Kamp Sent: Friday, March 09, 2012 3:16 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Loran in the US In message <9d1dabc0-ae63-4fb5-ad7d-d8c42f9fd...@gmail.com>, Dennis Ferguson wr ites: >> If so, frequency stability is priority number one and time is >> probably just "better than 100msec" or so > >I could swear I saw something that said "50 ns", though I can You can _almost_ do that with loran, if you know your l/l coords. >indicates they aren't just looking at Loran by itself. The >MF dGPS bands and 500 kHz are also included in whatever they >are doing. Which indicates to me that they are pretty damn serious, and not just catering to some recently discovered VIP Loran-C users. I'd be very surprised if LightSquared nuking GPS reliability doesn't have something to do with this. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.