Calculate VHF radio range based on antenna height above water at both stations
Input Parameters
Results
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Line of Sight Range
nm
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Your Radio Horizon
nm
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Other Station Horizon
nm
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Effective VHF Range
nm
Reference
Radio horizon (nm) = 1.17 × √h (h in feet)
Total LOS range = horizon_tx + horizon_rx
VHF range primarily limited by line of sight
Higher antenna = greater range; 25W is max legal VHF