My Monday morning schedule with a group of guys in the Midwest was trashed due to the noise you described. This was on 20 meters and was 10 over S9 here in Pompano. I checked 10 through 40 meters and the noise was the same repetition rate and very strong on all bands, less so the higher I went in frequency. It's has disappeared now at my location.

From: [email protected] <[email protected]> on behalf of wb4ehg <[email protected]>
Sent: Tuesday, November 19, 2024 18:33
To: DCARC <[email protected]>; SFDXA Reflector <[email protected]>
Subject: [SFDXA] Question for you guys in Broward (Or close by) on HF

Howdy,

Since I last operated on Friday, yesterday and today I noticed a very strong noise level increase on all bands 80m to 6m on all 3 antennas (OCFD Vee, AV640 vertical and Steppir).

Noise is S7 to S9 with the noise blanker and noise reduction turned off. It's a raspy buzz -- yes sounds like 60Hz.

There have been no equipment changes here.

Before I go tearing into analysis: turning everything in the house off & operating from a battery, etc, is anyone else in our area noticing the same problem?

Thanks Rich

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7 3, Rich, wb4ehg