#shortwave_radio
Shortwave radio
Radio transmissions using wavelengths between 10 m and 100 m
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 ; above the medium frequency band (MF), to the bottom of the VHF band.
Wed 31st
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