gps-guides

Will’s Tracks

Garmin Fenix 6

Firmware 20.50.

Observations

Data is not being recorded every second. Will subsequently confirmed the watch was recording in “smart” mode.

Speed Resolution

Confirmed speed resolution to be 1 mm/s, higher than the 10 mm/s of Paul’s Fenix 6 with 19.20 firmware.

VERTIX 2

Firmware 2.65.

Speed Resolution

Confirmed speed resolution to be 5 mm/s, same as GP3S data.

Doppler vs Positional

Used top 20 runs over 250m to compare Doppler and non-Doppler results:

• Average for the 20 results is identical; mean error of 0.00, mean absolute error of 0.09.
• Non-Doppler speed vs regular speed varies between -0.19 and +0.24.

Track Data

You can find all of the tracks on GitHub under sessions/contacts/trow/tracks.