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Radio beacons: Difference between revisions
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==VOR== | ==VOR== | ||
[[File:Pictogram_VOR.png|frame|VOR symbol]] | [[File:Pictogram_VOR.png|frame|VOR symbol]] | ||
A [http://en.wikipedia.org/wiki/VHF_omnidirectional_range VHF Omnidirectional Range ('''VOR''')] is a radio beacon that sends out a special signal making it possible for the receiving equipment to figure out the radial of the beacon. The heading (-line) towards the beacon is called a radial. | A [http://en.wikipedia.org/wiki/VHF_omnidirectional_range VHF Omnidirectional Range ('''VOR''')] is a radio beacon that sends out a special signal making it possible for the receiving equipment to figure out the radial of the beacon. The heading (-line) towards the beacon is called a radial. | ||
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:So 108.0; 108.05; 108.20; 108.25; 108.40; 108.45 would be VOR stations. | :So 108.0; 108.05; 108.20; 108.25; 108.40; 108.45 would be VOR stations. | ||
:and 108.10; 108.15; 108.30; 108.35; 108.50; 108.55 would be ILS stations. | :and 108.10; 108.15; 108.30; 108.35; 108.50; 108.55 would be ILS stations. | ||
<gallery mode=packed heights=250px style="float:right;text-align:right"> | |||
Radio beacon VOR.png|The VOR beacon tells the equipment what course to fly to intercept the beacon. | |||
VOR-OBS.png|Relation of OBS (selected course) and CDI (Course deflection Indicator) to position of the aircraft | |||
</gallery> | |||
A VOR station is most often also used for communication ([[ATC]]) with the airfield. ATIS, ground, tower etc. <tt>The omnidirectional signal is transmitted on a [http://en.wikipedia.org/wiki/Modulated_continuous_wave modulated continues wave] containing the identifying Morse code. The signal contains a [http://en.wikipedia.org/wiki/Amplitude_modulation AM] signal that can be used for voice or [[ATC]]. The signal is [http://en.wikipedia.org/wiki/Frequency_modulation FM] modulated and the lag (delay) between the AM and FM signal identifies the radial.</tt> | A VOR station is most often also used for communication ([[ATC]]) with the airfield. ATIS, ground, tower etc. <tt>The omnidirectional signal is transmitted on a [http://en.wikipedia.org/wiki/Modulated_continuous_wave modulated continues wave] containing the identifying Morse code. The signal contains a [http://en.wikipedia.org/wiki/Amplitude_modulation AM] signal that can be used for voice or [[ATC]]. The signal is [http://en.wikipedia.org/wiki/Frequency_modulation FM] modulated and the lag (delay) between the AM and FM signal identifies the radial.</tt> | ||