[aprssig] differential corrections available to public
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
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