Calculate AIS signal range based on antenna height and transmitter power class
Input Parameters
Results
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Line of Sight Range
nm
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Effective AIS Range
nm
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Class B Range
nm
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Class A Range
nm
Reference
AIS Class A: 12.5W, required for SOLAS vessels
AIS Class B: 2W, typical for recreational boats
Range primarily limited by antenna height (line of sight)
Radio horizon = 1.17 × √h (h in feet)