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24th December 2004, 11:22 AM
#1
In the UK I normally like to keep my GPS set to OSGB, so it tallies with the OS Map that I would normally be carrying.
When I'm entering a cache location from geocaching.com I therefore reset my GPS to WGS84, enter the lat/long coordinates, and then set it back. It's a bit tedious - do other people do this?
But I also notice that geocaching.com gives a OS grid reference.. but one the one ocasion I used it, I found myself some distance away.... it didn't seem to tally...
Am I right in thinknig that geocaching.com is giving an OS Grid reference, using the the WGS84 Datum? But is that a meaninful concept? Surely an OS Grid reference only makes sense with the OSGB datum...
help please! :
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