On Mon, 4 Aug 2008 12:15:24 +0530
Kenneth Gonsalves <[EMAIL PROTECTED]> wrote:

>                                  One suggestion is that the  
> instrument is picking up some other signals from other satellites.  
> Has anyone experienced anything like this?

Is shadowing, or multiple reflections from the terrain possible.
The other possibility is electromagnetic interface, the GPS signal
being radio-frequency after all. Might even be deliberate if it
is a militarily-sensitive area.

How precise is the 0.1 deg.? 

Regards,
Gora

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