How can I update my Garmin eTrex H GPS
Q. I have a Garmin eTrex H GPS and I want to get ordnance survey 6 digit references. Is it possible to get an upgrade
Michael Ridgard, Frome
A. Your Garmin eTrex H GPS already gives you GPS Waypoints as 10 digit Ordnance Survey which are accurate to 1m. To get a less accurate 6 digit grid reference (i.e. only accurate to 100m instead of 1m) simply ignore the 4th, 5th, 9th and 10th figures.
See Setting GPS Waypoints - 5 or 6 Digits? for more details and examples.
For more information about GPS Waypoints and using GPS for walking and hiking see GPS - The Myths and Truths - Part 1, GPS - The Myths and Truths - Part 2 and GPS Waypoint Data
Hope this helps . . .
Mike (Editor)
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