Definition
A racon responds to an incident marine radar pulse by transmitting a Morse-coded signal that appears on the display as a dashed line running radially outward from just beyond the buoy's echo. It typically operates on both 3 cm and 10 cm bands and is annotated on the chart with a magenta circle and the word Racon, sometimes with the Morse letter. Racons are commonly fitted to landfall buoys, offshore structures and important cardinal marks.
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