Is your coax tight?  I have seen situations where the center conductor has lost the shielding, ie there is sliding of the outer portions of the coax exposing the center wire, usually cause by lot enough slack.

Hans


On Feb 13, 2006, at 6:59 PM, Bulent Aliev wrote:

Here is a problem for you large brained engineers:
My radio is picking up noise from all the electrical motors including the alternator. I took the alternator to the shop and checked "as new". When I disconnect the coax from the radio, the noises stop, which leads me to believe the antenna coax is picking up the interference somehow. Guy at the airport suggested a clamp-on ferrite filter on the coax. I bought one tonight, but did not have time to test it.
The offenders are: fuel pumps, nose gear motor and alternator.
Any Ideas?


Buly
CZ MK-IV

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