HI http://www.gps.gov/systems/gps/space/
27 Sats in the sky. Since their altitude is about 2 earth radii, they aren’t height enough to cover a full “half earth” at one time. Bob > On Jul 9, 2015, at 7:06 PM, Bob Stewart <[email protected]> wrote: > > Thanks Chris and everyone else who responded. I just didn't know what to > look for. The full 36 shouldn't take up all that much memory. > Bob > From: Chris Hoffman <[email protected]> > To: Bob Stewart <[email protected]>; Discussion of precise time and frequency > measurement <[email protected]> > Sent: Thursday, July 9, 2015 5:48 PM > Subject: Re: [time-nuts] Number of GPS sats in the sky? > > http://www.navcen.uscg.gov/?Do=constellationStatushttp://www.gps.gov/systems/gps/space/ > > IIRC: 6 planes, 6 slots each, so 36 to cover the sphere, and the GPS aperture > is big (high orbits) so guess up to 1/2 of the constellation could ever be in > view (... yeah, right): 18? > > > On Thu, Jul 9, 2015 at 10:54 AM, Bob Stewart <[email protected]> wrote: > > Is there a practical limit to the number of GPS sats overhead at any one > time? I ask this because I'd like to start parsing this info from my ublox > receiver and need to setup an array for the values. Memory is not unlimited > on my PIC. > > Bob - AE6RV > > _______________________________________________ > 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. > > > > > -- > /chKG60 atsin arrl dot net > > > _______________________________________________ > 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.
