Very High Frequency
a radio-navigation system that consists of ground stations transmitting continous signals within the frequency range of 108.0 to 117.95 MHz. mode of modulation is CW or AM.
The VOR system is used by both civilian and miltary aircraft in conjuction with the GPS and ADF (also known as NDB) radionavagtion systems. The receiver in the aircraft determines the bearing of the station in relation to the direction the aircraft is going. This information is used by the pilot to navagate the aircraft. The VOR system is used worldwide and is less suspectable to the magnetic interferance that the ADF/DME and LORAN systems are.
"Roger, Cessna Five Five Tango, Dulles VOR is on 114.3, advise control you have entered class B airspace."
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