World Geodetic System - Wikipedia
Projected coordinate system - Wikipedia
Geographic coordinate system - Wikipedia
Geographic coordinate system - Wikipedia
Geographic coordinate system - Wikipedia
Finding Coordinates - Geocaching.com Wiki - Geocaching Wiki
GitHub - vinsci/geohash: Python module to decode/encode Geohashes to/from latitude and longitude. See http://en.wikipedia.org/wiki/Geohash
Recording GPS tracks - OpenStreetMap Wiki
How to Enter Latitude and Longitude on Google Maps | Maptive
GPS - OCAD Wiki - English
Wikipedia:WikiProject Geographical coordinates - Wikipedia
Geodetic coordinates - Wikipedia
2170: Coordinate Precision - explain xkcd
Local Coordinate Frames - Robotics Computation - NPS Wiki
Maps Mania: Wiki Maps of the World
Spatial reference system - Wikipedia
Geographic coordinate system - Wikiwand
Local Coordinate Frames - Robotics Computation - NPS Wiki
Troubleshooting | CyberTracker Wiki
GPS Coordinates - Mission Manager Wiki
How to Enter GPS Coordinates in Google Maps: 6 Steps
