Posts Tagged ‘Gps Receivers’


How to use A-GPS technology to track cell phone numbers


All cell phones continually broadcast radio signals even when they’re not being used. Cellular phone companies have been able to approximate the location of mobiles for years using triangulation information from towers that receive the signals. But with the introduction of cell phone GPS technology, the information obtained has become more accurate. GPS receivers, whether [...]

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Understanding the Concept of GPS Used by GPS Units


GPS units, Garmin fishfinders and handheld GPS units are creating waves all over, but many people are just not aware of what GPS is all about. GPS which stands for Global Positioning System is a navigation system (satellite based) comprising of satellites positioned precisely by the U.S. Department of Defense into the earth’s orbit. It [...]

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How to Choose a GPS

The first thing to decide is how you plan on using a GPS and the second is how much you plan on spending on a GPS. Do you plan on using it in your car, for hiking and backpacking, or for hunting and/or fishing? Current GPS receivers are limited as to what they can do [...]

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WAAS-Enabled GPS System

Jeff SandersGarmin GPS Navigation Systems www.GpsFrontier.com 04/05/09 WAAS-Enabled GPS System WAAS (Wide Area Augmentation System) was developed by the Federal Aviation Administration to augment the Global Positioning System to improve its accuracy, integrity, and availability. WAAS was originally intended to enable aircraft to rely on GPS for all phases of flight, including the precision approach [...]

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Case of the Technical Knockout – How Does GPS Work

Fourth segment of NASA Sci Files The Case of the Technical Knockout explaining how GPS receivers work with satellites to determine an exact location. This segment explains the concept of trilateration in two and three dimensions.

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