I'm a computer science student. At my sparetime I run orienteering. I have organized a few competitions and drawn two orienteering maps.
21 Is GPS more accurate on specific hours of the day? jul 23 '10
16 Is there a decent open source map-editor? jul 23 '10
10 What embeddable web-based maps exist? jul 22 '10
7 What data is sent from GPS satellites to receivers? jul 23 '10
7 How can I export a linestring to a GPX file in QGIS? oct 17 '11