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GIS & Formats articles
Tools for GeoJSON, KML, GPX, map projections and other geospatial data formats.
6 min read
Map Projections Explained: Why Every Map Lies
You cannot flatten a sphere without distortion. Learn what different projections preserve, and how to pick the right one.
7 min read
How Does GPS Work? A Clear Technical Explanation
GPS works by measuring your distance to at least four satellites in orbit, then using trilateration to compute your position.