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500 khz amateur

Previously, several other countries have authorized temporary allocations or experimental operations on nearby frequencies. The band is in the Medium Frequency MF region, within the greater — Following that, individual regulatory authorities need to implement the change nationally in order to make the allocation available to radio amateurs under their jurisdiction. Recently amateurs have experimented with weak-signal radio communication near In Argentina , amateurs have an allocation of to kHz. All modes are permitted. In Brazil , amateurs received privileges as secondary users on - kHz in August
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The UK 500kHz Experiment

500 khz amateur
500 khz amateur
500 khz amateur
500 khz amateur
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Radio Story - Preserving kHz

The unit kilohertz was not introduced until the s. The United States Coast Guard and comparable agencies of other nations used to maintain hour watches on this frequency, staffed by highly skilled radio operators. Many SOS calls and medical emergencies at sea were handled here until December However, because of the near disappearance of the commercial use of Morse code, the frequency is now rarely used. Every coastal station opened to such service shall use one or the other of these two wave lengths. This Convention, meeting in London, produced an agreement which was signed on July 5, , and became effective July 1, Communication was generally conducted in Morse code , initially using spark-gap transmitters.
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630-meter band

The unit kilohertz was not introduced until the s. The United States Coast Guard and comparable agencies of other nations used to maintain hour watches on this frequency, staffed by highly skilled radio operators. Many SOS calls and medical emergencies at sea were handled here until December However, because of the near disappearance of the commercial use of Morse code, the frequency is now rarely used. Every coastal station opened to such service shall use one or the other of these two wave lengths.
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Search the KC web site:. This web site was updated on 31 March at UTC. Operation on the new band cannot begin immediately, because PLC coordination between Amateur stations and the Utilities Telecom Council UTC is required prior to the Amareur station beginning transmissions. Further details about the specifics of the coordination procedure will be released by the Wireless Telecommunications Bureau. Project Status Report Files.
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Category: Amateur

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