- Understanding Latitude & Longitude
Learn about latitude and longitude, the lines we use to measure position on the globe.
- Understanding How GPS Works
Find out how GPS satellites provide your real-time position on Earth.
- What do you think? View Poll Results
Take our current poll, make a comment, or view previous poll results.
- Personal Navigation Stories
Everyone has a story — what's yours? Have you sailed the open seas? Has GPS ever let you down?