Greg Troxel

I amend my suggestion to use "SINGLE" for codepoint 1 instead of "AUTONOMOUS". It might be that just showing this value from GGA as tokens or even numbers in a...

Hey bot: Despite no activity, this is still valid.

Hey bot: Despite no activity, this is still valid.

Hey bot: Despite no activity, this is still valid. I have modified Vespucci to adjust the accuracy value based on FLOAT/FIX and can confirm that these values are real in...

That all makes sense. Keep in mind that "WGS84 altitude" raises the issue of EGM96 vs EGM2008. I would say that the right answer is EGM2008 because that is referenced...

Hey bot: Despite no activity, this is still valid.

My quick impression is that Android lives in the WGS84 world and that any app sending intents for locations shouldbe transforming to WGS84 before doing so, rather than extending the...

Hey bot: Despite no activity, this is still valid.

I am aware of this: https://github.com/OpenTracksApp/OpenTracks As for EGM84/96/2008, my take is that there are two orthogonal issues. One is the newer models are better, and for the current realization...

OpenTracks uses geographiclib data sets: https://geographiclib.sourceforge.io/html/geoid.html It seems pretty clear that they have the 5' dataset at about 19 MB. That seems reasonable for an app intended to test GPS...