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[TowerTalk] Noise appeared on 80m and 40m

To: towertalk@contesting.com
Subject: [TowerTalk] Noise appeared on 80m and 40m
From: HA3LN <list@ha3ln.hu>
Date: Sun, 23 Nov 2025 22:47:49 +0100
List-post: <mailto:towertalk@contesting.com>
Hi All,

Yesterday in the LZ-DX contest realized a severe noise on 80m and 40m.
As I work the stn only in contests it's been not articulated this bad so far.

http://ha3ln.hu/?p=3502

Looked up several pages where I checked many RFI sound and video clips but not found obvious match. I afraid "my noise" is rather 2x types combined. The pulsing one which kinda mutes the band, sounds electric fence but the "baseline" might be different.

I have ideas where to start the hunt.

Does anyone recognizes the noise type?

Thanks.

73!
Csaba  HA3LN / HG3N


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