[Loadstone] swimming yet not swimming

Shawn Kirkpatrick shawn at loadstone-gps.com
Mon Jun 2 06:50:36 BST 2008

The altitude uses the wgs84 datum. This may be different from the datum for 
your area. Some receivers will give you the difference between the local 
datum and wgs84 and if so then loadstone will factor it in to the 

On Sun, 1 Jun 2008, David W Wood wrote:

> Hi all:
> Just returned from our house by the sea which is about 15 feet above mean
> sea level as per the datum in Falmouth, Cornwall, England.
> I was being told that my height ASL was ...
> Minus 135 feet.
> How is this determined, and can I re-set it somehow?
> David W Wood
> T: 01483 575876 (APPOINTMENTS)
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