[CQ-Contest] RE: [Antennas] EMI/RFI

Grandmaison, Ron RGrandmaison at comdt.uscg.mil
Tue Nov 18 08:54:24 EST 1997

I had this problem with a neighbor several years ago, where I was still
interfering even with the stereo turned off.  What I ultimately had to
do was to place ferrite beads in each speaker lead right at the speaker
terminals and the problem was solved......Ron, W4VR

>From: 	Ivo Pezer, 5B4ADA/9A3A[SMTP:9A3A at spidernet.com.cy]
>Sent: 	Tuesday, November 18, 1997 12:49 AM
>To: 	Contest Reflector; Antennas Reflector
>Subject: 	[Antennas] EMI/RFI
>Two of my neighbors have interference on their stereo when I
>operate SSB (bad) and CW (moderate); looks it comes thru
>speaker leads. Ordered some ferrite cores, would appreciate
>any comments from people who solved similar problems.
>JA filter doesn't help in my case. Also bad telephone
>interference on some telephones, mostly when operate QRO
>Filters help, but how many I'll have to buy?>??
>Ivo, 5B4ADA
>Submissions: antennas at qth.net

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