Marine VHF & AIS Coax dB Attenuation, VSWR & Mast-Height Radio Horizon Solver

Deterministic Transmission line frequency-dependent attenuation + VSWR mismatch reflection loss (1 - |Gamma|^2) + 4/3 Earth atmospheric refraction horizon engine (.json, .csv) built for Shakespeare Marine, Digital Yacht, Icom Marine, Times Microwave LMR — zero-upload ephemeral Wasm RAM execution.

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