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VHF radio communication is a discipline of radio sport. The number-code of the sports discipline in the All—Russian Register of Sports is 1450081811YA. It includes an exercise on conducting two-way radio communications in the VHF, UHF and microwave radio frequency bands (conventionally called ultrashort wave, VHF) with other participants of sports competitions using their own radio station (receiving and transmitting equipment, antennas).

When was the first car radio made and its history.

Zenith Z-1000 Stratosphere Самый большой в мире радиоприемник. А каким он был..?

История открытия ионосферы. Регионы ионосферы, протекающие в них процессы и влияние на распространение радиоволн.