[aprssig] differential corrections available to public

Tyson S. timbercutter at yahoo.com
Sat Mar 19 07:58:37 CST 2005


--- Earl Needham <needhame1 at plateautel.net> wrote:
> Seriously, if we're looking for differential corrections, either 
> WAAS or DGPS is available over much of the US.  I have no idea about 
> outside the North American continent, though.
>          7 3
>          Earl

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