Very high frequency
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5111-2649-4
High Quality Content by WIKIPEDIA articles! Very high frequency (VHF) is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency (HF), and the next higher frequencies are known as Ultra high frequency