Dear TinkerForge,
We recently bought a GPS Bricklet unit and we would like to have some more details about the data received in the callbacks.
We successfully used the coordinate callback as explained here: https://www.tinkerforge.com/en/doc/Software/Bricklets/GPS_Bricklet_C.html#c-c-gps-bricklet
The data contains also the EPE value which we read about here: https://www.nps.gov/gis/gps/WhatisEPE.html
What we did not understand is which confidence interval is used: 50%, 68%, 95%, 99.7?
We need this information to calculate the position covariance (standard deviation) following this approach: https://en.wikipedia.org/wiki/Standard_deviation#Rules_for_normally_distributed_data
Many thanks,
Guido