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Re: [RFI] Info needed

To: rfi@contesting.com
Subject: Re: [RFI] Info needed
From: "Dave (NK7Z)" <dave@nk7z.net>
Date: Wed, 17 Jul 2024 19:52:48 -0700
List-post: <mailto:rfi@contesting.com>
I agree with Jim fully on this, he is the gold standard on Chokes...

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 7/17/24 19:41, Jim Brown wrote:
On 7/17/2024 2:31 PM, Ken Gordon wrote:
I can find mix 43 and mix 71 beads, but so far, no mix 31. I even tried eBay.

Hi Ken,

Dave and I have been good friends and collaborators for years, but I strongly suggest that you study my work on HF chokes. His advice to use #43 for HF suppression is wrong. While Dave has done a lot of excellent work on identifying, chasing, and fixing RFI issues, my work on chokes is FAR more extensive (since 2004) that any solid work I've seen published. And the guys at Palomar don't have a clue -- they're just selling stuff.

k9yc.com/publish.htm

73, Jim K9YC




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