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Re: [RFI] 13,000 Lumens - 150 watts - dad RFI

To: rfi@contesting.com
Subject: Re: [RFI] 13,000 Lumens - 150 watts - dad RFI
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Wed, 11 Nov 2020 17:40:28 -0800
List-post: <mailto:rfi@contesting.com>
On 11/11/2020 5:22 PM, Tim Duffy wrote:
Bad RFI on all bands RX at K3LR. Will #31 ferrite on the 120 VAC power line
(at the light) - many turns - fix this bad actor?

Probably yes. I'd start with the filter that W6GJB and I worked out for use on 2000i generators, described on page 23 of k9yc.com/RFI-Ham.pdf It was added to the ARRL Handbook a year or two ago.

Note that it's critical that all three conductors go through the choke, and they should NOT be twisted.

73, Jim K9YC

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