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Jonas earned this badge 7 times
may 8 at 20:27What data is sent from GPS satellites to receivers?
apr 19 at 11:52Is GPS more accurate on specific hours of the day?
feb 22 at 14:59How correct is the “Accuracy” value given by GPS devices?
feb 11 at 2:19How can I export a linestring to a GPX file in QGIS?
jun 8 '12 at 21:40Is there a decent open source map-editor?
oct 4 '11 at 0:20Is there any way I can use a Key-Value store for geospatial data?