On 26 Feb 2003, David Crossley wrote:

> I see people talking about co-ordinate precision of
> less than 100 metres. So how are they determining
> their position? Do they each have a differential GPS
> in their pocket? If someone has some clever facility
> to determine an accurate position, then please tell us.

Actually; since SA was dropped, and assuming you are using WGS84 and you
are not too high or low an altitude - you are generally within 5-20 meters
for most of europe - with just about any cheap GPS.

Dw.


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