Marine Handheld VHF Radios
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Handheld VHF Radios How-To's
VHF Radios 101
VHF = Very High Frequency
VHF radios are used to communicate from boat to boat. VHF radios use FM radio waves to pass information back and forth. ... read more FM radio waves operate by “line of sight,” meaning the sound wave is sent in a horizontal pattern from one radio to the other. This works fine for most marine applications, but the sound waves cannot penetrate through tall objects.
(Think of how your radio cracks up when you are in the mountains….the cracking noise is caused by the radio waves not being able to penetrate through the mountains, so what you are hearing are the pieces of the waves that make it around the mountain)