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What is ______? (see Glossary)
How does a GPS receiver determine its location?
What data is transmitted by GPS satellites?
Why does it take so long for a GPS receiver to find its starting location?
How accurate is GPS?
What factors influence GPS accuracy the most?
Why is my GPS receiver not using WAAS?
Maps, Waypoints & Points of Interest
What's the difference between a basemap and a detail map?
What's the difference between a waypoint and a point of interest?
How much memory do detail maps require?
How much memory is required for POI data?
Who owns GPS satellites?
Is there a fee for using GPS satellites?
Can GPS satellites track my location?