What is the frequency of high frequency radio wave?

There is a system of formal designation of radio, corresponding to decades (10 times) of frequency/wavelength. You'll recognize some of the abbreviations, like VHF and UHF: Very Low Frequency (VLF) 3 - 30 KHz 100,000 - 10,000 meters Low Frequency (LF) 30 - 300 KHz 10,000 - 1,000 meters Medium Frequency (MF) 300 KHz - 3 MHz 1,000 - 100 meters The one you asked about : gh Frequency (HF) 3 - 30 MHz 100 - 10 meters Very gh Frequency (VHF) 30 - 300 MHz 10 - 1 meter.

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