Hi One common requirement is a receiver that will give you "per satellite" information that you can turn into time. About the only way around that is to pre-determine a set of sats and flag the rest as "do not use". With the second approach, various geometric issues can get a bit exciting. Either way good antenna locations and local clocks are needed.
Do you have a specific receiver in mind? Bob On Apr 15, 2013, at 8:55 AM, Lachlan Gunn <lach...@twopif.net> wrote: > Hello all. > > > > Having spent some time working over the last year on GPS time stability > measurement, I'm keen to move onwards and upwards and have a go at > common-view time transfer. While my receivers are in the post, I have > thinking about my next direction. One thought that I have had is to try to > write some software that can be used for real-time common-view (public if > there is interest, but I am getting ahead of myself I think). > > My question to those in the know is whether they have found common-view to > be useful over medium timescales (say, an hour or four). My understanding > is that after a day or so the GPS signal itself becomes usable as a > standard, so building a network is probably not tremendously useful over > these sorts of time periods, but looking at such as figure 6 of [1], > common-view should still be useful between a few minutes and hours. Has > anyone here tried using such a method to produce their own short-term time > scale, or is one better off just taking the simple route and tracking GPS > time directly? > > > > Thanks, > > Lachlan > > > > > > [1] http://www.pttimeeting.org/archivemeetings/2008papers/paper45.pdf > > _______________________________________________ > 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.