||Now MapSphere can be used to estimate the GPS position error (EPE). Choose GPS | Measure Error and click Start. Note. You need to keep your GPS receiver still while measuring.
||You can also use saved tracks or the current GPS log to calculate EPE.
||You can clear the GPS log by choosing GPS | Clear.
||The points with coordinates (0, 0) are marked as invalid when opening a track.
||When the GPS fix was lost, the last good position was repeatedly saved into the GPS log.