Tor Olav Kristensen wrote:
...
> It seems that the sci.geo.satellite-nav newsgroup would be
> a proper place to ask more about such maps:
> 
> http://groups.google.com/groups?group=sci.geo.satellite-nav

Try searching in the comp.infosystems.gis news group too, e.g.:

http://tinyurl.com/2k3ly
http://groups.google.com/groups?q=DRG+free+group%3Acomp.infosystems.gis

-- 
Tor Olav
http://subcube.com
http://subcube.net

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