Comment Comment by ck2 Wish they could solve the GPS altitude weaknessWatches that use GPS for altitude are terribly inaccurateIt is interesting to run the opensource GPSTEST app on a smartphone and watch the MSL "settle" over time but each sat seems to disagree* https://github.com/barbeau/gpstestbtw watches are now getting THREE multi-band L1+L5 GPS chipsets, should help thingsquad-band GNSS coming soon too!* https://the5krunner.com/2026/03/06/tri-band-gps-garmin/ parent ck2 6 months ago
Watches that use GPS for altitude are terribly inaccurate
It is interesting to run the opensource GPSTEST app on a smartphone and watch the MSL "settle" over time but each sat seems to disagree
* https://github.com/barbeau/gpstest
btw watches are now getting THREE multi-band L1+L5 GPS chipsets, should help things
quad-band GNSS coming soon too!
* https://the5krunner.com/2026/03/06/tri-band-gps-garmin/