Chris, Chokering is not needed. Measured quality antennas are listed at
http://www.ngs.noaa.gov/ANTCAL/ Or at http://www.geopp.de/index.php?sprachauswahl=en&bereich=0&kategorie=34&artikel=62 /Björn -------- Originalmeddelande -------- Från: Chris Albertson <albertson.ch...@gmail.com> Datum: 2013-04-16 5:36 (GMT+01:00) Till: Tom Van Baak <t...@leapsecond.com>,Discussion of precise time and frequency measurement <time-nuts@febo.com> Rubrik: Re: [time-nuts] Common-View GPS Network On Mon, Apr 15, 2013 at 8:23 PM, Tom Van Baak <t...@leapsecond.com> wrote: I'd be curious what level of improvement is possible. It will depend on the > receiver and the antenna. I believe the NIST project uses fancy antennas > but normal M12 receivers. So there's hope for the amateur. > The M12 is certainly affordable, something like $60. but what is a "fancy antenna"? How are they different from a normal timing antena? -- Chris Albertson Redondo Beach, California _______________________________________________ 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.