New posts in Gps

How do I group near points with GPS positions?

Storing GPS tracks with timestamps in PostGIS

What is the maximum Theoretical accuracy of GPS?

Accessing GPS data with JavaScript in real time

Detecting "lack of movement" on GPS device

Seeking GPS device for vehicle tracking?

Using OpenLayers (with OpenStreetMaps) and PostGIS for rendering data acquired from GPS tracking device

Why is GPS a free service?

Sources of realtime spatial data

Why does GPS positioning require four satellites?