Your VHF radio is intended mainly for short range communications, generally 5-10 miles , and at least 20 miles to a USCG station. To communicate at longer ranges, you will normally need a satellite telephone or an MF/HF marine radiotelephone.
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Very high frequency Frequency range30 MHz to 300 MHzWavelength range10 to 1 mVery high frequency – Wikipedia en.wikipedia.org › wiki › Very_high_frequency
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