warning radio beacon

warning radio beacon

[′wȯrn·iŋ ′rād·ē·ō ‚bē·kən]
(navigation)
An auxiliary radio beacon that is located at a lightship to warn vessels of their proximity to the lightship; it is of short range, and sounds a warbling note for 1 minute immediately following the main radio beacon on the same frequency. Also known as warning beacon.
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