www.rambler-info.org.uk - GPS information

Why would I need a GPS? The uses of GPS units Useful tips and information Basic advice when following GPS tracks Garmin Geko has 6% error! Advice on saving tracks "Battery-save Mode" Technical information GPS data formats and datums UTM/UPS How good is a GPS in typical terrain? Comments on GPS altitude estimates Some investigations Garmin eTrex and Garmin Geko compared. Tests of "Altitude auto-calibrate" Miscellaneous Austrian Alpine (OAV) hut data Links to some external sites Disclaimer About this site