11-21 - o Needs to receive 3 to determine latitude and longitude Radar o Types Primary Secondary • Overcomes limitations of primary radar •

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Navigation Aids GPS o Operated by the UX department of Defense o Primarily for military use but also with civilian applications o Segments o 24 satellites o 6 orbits o 4 in each orbit o 5 in view from any point on earth at all times o Several spares in orbit too o Needs to receive 4 to determine latitude, longitude, and altitude
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Unformatted text preview: o Needs to receive 3 to determine latitude and longitude Radar o Types Primary Secondary • Overcomes limitations of primary radar • Interrogates aircraft transponder o Transponder Functions • Off • Standby • On • Alt • Tst...
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This note was uploaded on 03/03/2010 for the course AERF 1103 taught by Professor Visser during the Fall '08 term at LeTourneau.

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11-21 - o Needs to receive 3 to determine latitude and longitude Radar o Types Primary Secondary • Overcomes limitations of primary radar •

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