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[RFI] Broadband RFI on 10 meters

To: RFI <rfi@contesting.com>
Subject: [RFI] Broadband RFI on 10 meters
From: K9MA <k9ma@sdellington.us>
Date: Wed, 15 Oct 2025 17:14:19 -0500
List-post: <mailto:rfi@contesting.com>
At 22Z Oct. 15, I'm hearing very broadband RFI on 10 meters, nearly 30 dB above my usual urban noise level. It's not rain static, and it peaks at about 345 degrees. There's no QSB, so I'm sure it's local. I see almost no variation in amplitude over a 368 kHz bandwidth, and it looks and sounds totally random.  There don't appear to be any 60 or 120 Hz components.  It's not quite as strong on 15m. If it persists, I'll try to track it down. Any idea what kind of source could cause this kind of RFI?

--
Scott  K9MA

k9ma@sdellington.us
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