[Talk-us-massachusetts] GPS Data Logger Recommendation?

[hobbit at techno-fandom.org]

Just about any phone running OSMAND or whatever the apple equivalent is will
work reasonably well, subject to the usual variations of an off-the-shelf GPS
receiver.  I always track my hikes, and after a while I can overlay multiple
traces to get some decent path averages if I need more accuracy.  Another
trick if you're trying to map a new trail is to walk it three times: up,
back, and up again, with the phone held away from your body so its antenna
isn't fighting a big bag of water for reception, and then map to the most
reasonable average between them.

There are several settings that have to be right in OSMAnd to get the most
consistent tracks; I don't set "minimum accuracy" or speed, have something
like a 2-meter threshold on movement, and/or take a point every 5 seconds.
The files are the verbose-ish GPX format, but aren't huge.  I wait until the
GPS hardware settles down and is on a good fix before starting recording.

_H*