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Shortwave radio is radio transmission using radio frequencies in the shortwave bands (SW). There is no official definition of the band range, but it always includes all of the high frequency band (HF), which extends from 3 to 30 MHz (100 to 10 meters); above the medium frequency band (MF), to the bottom of the VHF band .
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Sep 3, 2023 · Shortwave radios can send a transmission across thousands of miles with excellent clarity. Shortwave signals are unique in the radio landscape because they’re not restricted by laws from the countries that receive the transmissions. Shortwave can therefore stretch across all geographical, political, and economic lines, without any issues.
6 days ago · Shortwave radio, transmission and reception of information by means of electromagnetic waves about 10 to 80 m (33 to 262 feet) in length having frequencies of approximately 29.7 to 3.5 megahertz. During the early 1920s attempts were made to transmit radio signals over long distances by bouncing.
Sep 12, 2023 · Shortwave or high-frequency (HF) describes the band of electromagnetic frequencies from approximately 3 to 30 MHz. Radio wave propagation in this frequency range has some interesting properties: Shortwave radio waves can be reflected by the ionosphere back to earth.
Shortwave radio is a radio transmission that uses shortwave frequencies, typically in the 3 to 30 MHz range. The frequency range allows shortwave radio to be transmitted over long distances, up to thousands of miles, making it a valuable tool for global communication.
