Recently civilians have sought out these gps jammer devices to insure their privacy in an ever increasing GPS tracked world. Uses include confusing the enemy on exact locations, or where the enemy GPS guided missiles or bombs will fall. GPS jammers were initially created by the government, for military organizations and spy agencies.
Since GPS is nothing more than weak radio waves, these waves can be jammed or distorted using a GPS jammer, though technical devices and expertise are needed for that purpose. There are actually two major frequencies that GPS works on, one of which is for public, non-military use (1575.42 MHz) and the other is used solely for the US military (1227.6 MHz).
GPS signals are radio signals use a specific frequency. Using triangulation, GPS can deliver the location to the receiver with an accuracy of only inches. In a car’s navigation system, the vehicle location is measured by three satellites orbiting the earth. Through triangulation, which is a method in which three separate points are measured to calculate a location, position can be discovered. GPS can be found in individual handheld units and cellular phones, vehicle navigational and positioning systems, and in small GPS tracking devices. The signals reach a GPS receiver to determine positioning via triangulation.
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This Global Positioning System uses a series of earth orbiting satellites that send out radio signals. GPS stands for Global Positioning System, which is a system used by individuals, commercial entities, and the military, mostly for navigational purposes.
Prior to explaining GPS jammers themselves, it is best to explain how GPS works.
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