[Loadstone] swimming yet not swimming

Ari Moisio arimo at iki.fi
Mon Jun 2 08:04:52 BST 2008


  GPS altitude is not very accurate, i have seen estimations of about 50 
meters (160 ft) errors. The more satellites the better although.

  A good rule of thumb is that if your feed are wet, it is very hard to 
breath and your   phone and gps ceases to work you might be below  the sea 

  There are however some dry places below the sea level: death Walley in 
the us and part of Netherlands.


You can still escape from the Gates of hell: Use Linux!
mr. M01510

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
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