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Go Back   SailNet Community > General Interest Forums > Gear & Maintenance
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  #1  
Old 01-14-2011
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Shortwave Radio

Hi, I've got an ICOM 600 with the diodes clipped to open up all the ham bands (have a General Class). Though an old model, it works very well unless the engine is running. With the engine running and alternator going, I get massive RF interference. I'm sure there's a fix for this, but don't know it. And ideas would be appreciated.

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Old 01-14-2011
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RF filters on the power lines.
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Old 01-14-2011
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Quote:
Originally Posted by BubbleheadMd View Post
RF filters on the power lines.
I agree, chokes on the power leads, and make sure all connections are tight. Fidgety connections can also generate RF interference.
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Old 01-18-2011
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Okay thanks. So, just to be clear, I'll place these filters in the power leads (plural means both pos. and neg., right) and I can put them in the line just ahead of the radio itself?
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Old 01-18-2011
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Oh, and can you recommend a particular RF filter?
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Old 01-19-2011
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I'd go to a place that sells car audio, and see what they have in stock. I've seen simple snap together magnet assemblies that should suit your needs.

Since they are really rather simple devices, I wouldn't concern myself too much with brand name, but rather ease of installation (snaps on easily), and moisture tolerant (the snap on ones I'm thinking of are basically 2 magnets in a plastic housing).

HTH
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Old 01-19-2011
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These aren't magnets, but ferrite cores.
Quote:
Originally Posted by PaulfromNWOnt View Post
I'd go to a place that sells car audio, and see what they have in stock. I've seen simple snap together magnet assemblies that should suit your needs.

Since they are really rather simple devices, I wouldn't concern myself too much with brand name, but rather ease of installation (snaps on easily), and moisture tolerant (the snap on ones I'm thinking of are basically 2 magnets in a plastic housing).

HTH
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Old 01-19-2011
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These aren't magnets, but ferrite cores.
[MaxwellSmartvoice]Missed it byyyyy that much![/MaxwellSmartvoice]
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