Bill, You wish everything is related to sailing (don't you?). The BNC stands for Bayonet Neill-Concelman connector after two guys who invented it (from Bell Labs and Amphenol). The "naval connector" (British or Bayonet) is a backronym. The BNC connectors are widely used outside of marine applications and their use on boats (sail or otherwise) is secondary.
Marek (in Ottawa).
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