Who uses HF radio?

The band is used by international shortwave broadcasting stations (2.310 – 25.820 MHz), aviation communication, government time stations, weather stations, amateur radio and citizens band services , among other uses.

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What is frequency Toppr?

The number of times an object vibrates in on sound is called Frequency. the number of compression that pass through a point in one second also gives Frequency SI unit of Frequency is ‘hertz’ The symbol is Hz. 1 hertz (Hz)=1 wave per second or cycle per second.

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