GPS stands for Global Positioning System and is a USA space based radio navigation system that makes available to the general public reliable navigation, positioning and timing services on a continuous basis worldwide. It is cost free to anyone that has a GPS receiver and will provide location and time information anywhere in the world 24 hours a day, 365 days a year in any type of weather conditions. The system was made available to the general public for the publics good by Presidential Decree of President Ronald Reagan.
Any person may purchase a GPS receiver. They are available from commercial retailers in a variety of sizes and with a variety of features for different uses. Once you have a GPS receiver you can navigate accurately if you are walking, flying, driving, or boating. GPS has become vital instrument for transportation around the world. GPS has become vital for maritime, aviation, ground and emergency operations. Everyday operations of services such as farmers, geologists, surveyors, and even road builders depend on GPS signals to make their endeavors more accurate and efficient.
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