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Radio beacons: Difference between revisions
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If the friends do not like to shout all the time they can lay down numbered ropes around them. Each rope leads directly towards a friend. The numbers on the rope are the same numbers as the degrees on a compass. So by comparing the numbers on the ropes that cross the place where you are standing you know where you are. This describes how a VHF Omnidirectional Range ([[VOR]]) works. | If the friends do not like to shout all the time they can lay down numbered ropes around them. Each rope leads directly towards a friend. The numbers on the rope are the same numbers as the degrees on a compass. So by comparing the numbers on the ropes that cross the place where you are standing you know where you are. This describes how a VHF Omnidirectional Range ([[VOR]]) works. | ||
But what if you want to know where you are and you have just one friend? Then the friend had to make knots in the ropes telling how far away you are. This describes how a VOR-Distance Measuring Equipment (VOR-DME) works. | But what if you want to know where you are and you have just one friend? Then the friend had to make knots in the ropes telling how far away you are. This describes how a VOR-Distance Measuring Equipment ([[VOR-DME]]) works. | ||
A [http://en.wikipedia.org/wiki/Radio radio] is a generic term for the transmission of electromagnetic waves. In the above comparisons, a radio beacon is the one that is shouting or that is laying out the ropes. A beacon can include information, it can even send out music. Two-way communication is possible where the equipment on-board questions equipment on-ground or the beacon is used for ATIS or Tower communication. | A [http://en.wikipedia.org/wiki/Radio radio] is a generic term for the transmission of electromagnetic waves. In the above comparisons, a radio beacon is the one that is shouting or that is laying out the ropes. A beacon can include information, it can even send out music. Two-way communication is possible where the equipment on-board questions equipment on-ground or the beacon is used for ATIS or Tower communication. | ||