How does radio works?

How does radio works?

Radio signals are transmitted using a carrier wave. Radio waves form part of the electromagnetic spectrum. Radio waves with the longest wavelengths are bounced off a layer high up in the Earth’s atmosphere, called the ionosphere. In this way, radio messages can be bounced for very long distances. A radio transmitter changes, or modules a radio wave in order to convey information. In AM radio the height of the carrier…

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