High frequency is the ITU-designated range of radio frequency electromagnetic waves between 3 and 30 MHz . Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters.
Read moreHigh frequency is the ITU-designated range of radio frequency electromagnetic waves between 3 and 30 MHz . Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters.
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