[Answer] GPS requires the use of a _______ on the ground and a ________ above the earth.

Answer: device satellite

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GPS requires the use of a _______ on the ground and a ________ above the earth. GPS requires the use of a _______ on the ground and a ________ above the earth. Select the actual distances represented by the following scale distances if the map scale is 1 centimeter = 1 kilometer. Select the map scale distances that represent the following actual distances if the scale is … Thu Mar 08 2012 · What a GPS system does need on the ground is somebody coordinating exactly where all the satellites are. In general you could call it an earth station. Without that the satellites will eventually drift and the GPS location will become inaccurate. Terms in this set (23) Metric system . system of measurement based on the meter as a unit of length. cubit. ancient measure of length equal to 18 or 22 inches. English system . system of measurement that includes units like foot pound and gallon. English units to measure distance. Stands for " Global Positioning System ." GPS is a satellite navigation system used to determine the ground position of an object. GPS technology was first used by the United States military in the 1960s and expanded into civilian use over the next few decades. GPS receivers use a constellation of satellites and ground stations to compute position and time almost anywhere on earth. Notice the moving point on the globe and the number of visible satellites. At any given time there are at least 24 active satellites orbiting over 12 000 miles above earth. Elevation readings and GPS (How far are we above sea level?) To combine true elevation readings and GPS requires the use of something like th...

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