Hi SBAS is normally turned off for timing because historically it was not optimized for timing use. The “try it and see” approach tended to show it caused more trouble in a timing application than it fixed. For survey on an L1 device, it is a good idea to use it.
Bob > On May 8, 2016, at 4:32 PM, Pete Stephenson <p...@heypete.com> wrote: > > On Sun, May 8, 2016 at 7:25 PM, Bob Stewart <b...@evoria.net> wrote: >> Yes, disable all except GPS sats. Also, turn off SBAS, set your max and min >> number of sats (defaults are probably what you want), and the satellite >> elevation mask. The elevation mask defaults to 5, but can you really see >> that low? > > Hi Bob, > > Out of curiosity, why would one turn off SBAS? My first instinct is > that SBAS support could only improve the accuracy of one's fix, as it > supplies additional correction information that improves on the normal > GPS signal. I would (perhaps naively) think that enabling SBAS during > the surveying would improve the results. > > Of course, I could very well be mistaken and would be happy to be > corrected by those more knowledgeable. > > Cheers! > -Pete > > -- > Pete Stephenson > _______________________________________________ > 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.
