Jon

ahhh that would be it, reset the datum to ord survey GB and that solved
it!!! Dooow

many thanks

Jon


"Ian Wilson" <scobloke2@infotop.co.uk> wrote in message
news:bi8qpg$l3o$1@titan.btinternet.com...
> Jon wrote:
> > Whilst doing some GeoCaching today I noticed that me GPS was 0.32 miles
out
> > on both of the locations we went to! I doubled checked the coordinates,
and
> > their settings, I had loads of clear satellites & good accuracy! Can
anyone
> > explain why? I was set to OS Grid &WGS 84.
>
> WGS84 is the wrong datum for the OS GB grid. Assuming thats what you
> mean by "OS Grid".
>
> On my Garmin Geko:
> Position Format: British
> Map Datum: Ord Srvy GB
>
> In "GPS Trackmaker"
> Coordinate System: British National Grid
> Datuum: OSGB 1936(GPS)
>
> etc.
>