GPS FAQ

Q: What is GPS waypoint?

A: A GPS waypoint is a navigational fix on a specific location. Most often, the waypoint will appear on map or a monitor as a set of longitude and latitude coordinates expressed in degrees, minutes and seconds.

Q: Once I purchase my GPS device, are there other costs?

A: There are no subscription or license fees, so the only additional costs are batteries and accessories.

Q: Can I use my GPS device anywhere in the World?

A: Indeed you can. The 24 dedicated satellites circle the entire globe and can locate a waypoint anywhere that the satellites can "see" the GPS receiver. There are locations such as narrow valleys and highly built up areas that GPS units may have trouble getting a signal.

Q: What about weather? Will clouds or storms affect GPS accuracy?

A: No, GPS works in all weather conditions, kind of like US Postal Carriers.

Q: Who owns the GPS System?

A: The US Government is the sole owner and operator of the GPS System. The administration of the system is under the stewardship of the Department of Defense, which is responsible for keeping GPS running and maintaining its accuracy. Tens of millions of people in government and the private sector rely on GPS every day.

Q: What is Selective Availability (SA)?

A: Selective Availability was banned by order of the President of United States in 2000, but it was effectively a jamming technique. SA was employed to reduce the accuracy of non-approved GPS devices in the name of national defense.

Q: How accurate is GPS?

A: With the elimination of the designed error of Selective Availability, GPS is accurate within 5-15 meters.

Q: Why would I want to use GPS?

A: If you ever need a map, and chances are, you do from time to time, GPS is of use to you. GPS devices not only tell you where you need to go, they also tell you exactly where you are.

GPS Tracking Systems

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