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1623 range problem

 
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Robinson



Zaloen: 8.5.2018
Pspvky: 18

PspvekZaslal: 17.05.2018 13:39    Pedmt: 1623 range problem Citovat

HI,

I have a Furuno 1623 radar on my sailboat. Unit started to lose targets beyond 2 miles. Good target display on first sweep, 50% reduction on second sweep, then nothing. Local authorized Furuno service technician tested unit on the boat, said the magnetron was probably failing. He replaced the magnetron and adjusted heater voltage (was low by 0.5 volts). Re-installed radome on mast. Still has same problem as before. Works great at 1.5 miles. When changed to 3 miles, good target display for first sweep, second sweep much degraded, third sweep, nothing. What should I do?

Please help.

I did not find the right solution from the internet.

References:
http://www.furunousaforum.com/viewtopic.php?f=5&t=2317
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Thanks!
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Zaloen: 13.4.2019
Pspvky: 2369

PspvekZaslal: 16.04.2019 15:33    Pedmt: Citovat

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