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Radio beacons: Difference between revisions
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=VOR= | =VOR= | ||
[[File:Radio beacon VOR.png|frame|The VOR beacon tells the equipment what course to fly to intercept the beacon.]] | [[File:Radio beacon VOR.png|frame|The VOR beacon tells the equipment what course to fly to intercept the beacon.]] | ||
[[File:Pictogram_VOR.png|frame|VOR]] | [[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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While it is more expensive to operate a VOR station compared with a NDB the benefits are obvious. The signal is less hindered by unwanted reflections and other interferences, it takes away confusion about North, since it's oriented to True North, it can be used for automated flight and the receivers are more reliable. | While it is more expensive to operate a VOR station compared with a NDB the benefits are obvious. The signal is less hindered by unwanted reflections and other interferences, it takes away confusion about North, since it's oriented to True North, it can be used for automated flight and the receivers are more reliable. | ||
==VOR-DME== | ==VOR-DME== | ||
[[File:Pictogram_VOR-DME.png|frame|VOR-DME]] | [[File:Pictogram_VOR-DME.png|frame|VOR-DME symbol]] | ||
[http://en.wikipedia.org/wiki/Distance_measuring_equipment Distance Measuring Equipment ('''DME''')] uses the same frequencies as a VOR. A DME tells the equipment on board of the aircraft the distance towards the transponder. | [http://en.wikipedia.org/wiki/Distance_measuring_equipment Distance Measuring Equipment ('''DME''')] uses the same frequencies as a VOR. A DME tells the equipment on board of the aircraft the distance towards the transponder. | ||
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==VORTAC== | ==VORTAC== | ||
[[File:Pictogram_VORTAC.png|frame|VORTAC]] | [[File:Pictogram_VORTAC.png|frame|VORTAC symbol]] | ||
Often the VOR-DME part of the TACAN is also made available for civilian navigation. If so, the beacon is called a '''VORTAC''', but the use is as a normal VOR-DME, in the normal frequency range. | Often the VOR-DME part of the TACAN is also made available for civilian navigation. If so, the beacon is called a '''VORTAC''', but the use is as a normal VOR-DME, in the normal frequency range. | ||