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Old 27-06-2021, 19:11   #1
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Join Date: Jul 2018
Location: Gibson Island, Maryland
Boat: McIntosh Cutter-rigged Sloop, 47'LOA
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Raymarine radar doesn't show echoes

Our Raymarine C80 chartplotter indicates that the radome is rotating, is transmitting with scanner on, but shows no contacts or echoes of anything. Turning up the gain all the way brings a purple scan that sweeps the screen until it is completely purple, but still no echoes. Need to fix as we head to Maine in 6 days. Sound familiar anyone?
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Old 27-06-2021, 21:52   #2
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Re: Raymarine radar doesn't show echoes

Had same problem with my 20 year old Furuno. Magnetron was toast. Antenna wasn’t sending any ‘trons downrange.

Your radome likely needs repair or replacement.
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