I will, but I’m using GPS everyday for my job, and I wouldn’t rely to much on a calibration of a handheld device, except if the calibration is in fact some kind of baseline processing on the code signal with data from a broadcasted nearby continuous station.
Phil > On 12 Sep 2017, at 9:34 AM, Martin Sluka via Therion <therion@speleo.sk> > wrote: > > Check that application features and check it in real situations. You’ll be > surprised, I’m sure. > > m.s. > >> 12. 9. 2017 v 8:28, Philippe Vernant via Therion <therion@speleo.sk>: >> >> The problem, is that you cannot do a calibration fo a GPS since it will >> depend on the satellite constellation which change all day long even if you >> don’t move. So calibration of a GPS is a no no! >> If you use accurate GPS measurements, either baseline measurement, of PPP >> post processing (but you need a GPS slightly more expensive that the regular >> handheld ;-) ) you can have an accuracy of a few millimetres. So the std-dev >> should always be given explicitly for GPS. > > _______________________________________________ > Therion mailing list > Therion@speleo.sk > https://mailman.speleo.sk/listinfo/therion _______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion
