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How powerful are Marine VHF radios? How far can they reach?

April 26, 2017Marine powerful radios REACH VHF

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How powerful are Marine VHF radios? How far can they reach?

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Legally, VHF radios can only go up to 25 watts. This gives a maximum range of up to about 60 nautical miles between aerials (antennas) mounted on tall ships and hills, and 5 nautical miles between aerials mounted on small boats at sea-level. A handheld radio will only go up to 5 watts because 25W uses too much of the battery.