Advance OpenStreetMap surveying with GTA04?
Timo Juhani Lindfors
timo.lindfors at iki.fi
Sun Mar 18 18:44:28 CET 2012
Mayeul Kauffmann <mayeul.kauffmann at free.fr> writes:
> the gta04-owner list too). Also: What about orientation?
You need a compass.
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