[Top] [All Lists]

[RFI] "Marker RFI"

To: RFI List <rfi@contesting.com>
Subject: [RFI] "Marker RFI"
From: N4ZR <n4zr@comcast.net>
Date: Sat, 22 Aug 2020 16:21:14 -0400
List-post: <mailto:rfi@contesting.com>
Here's an odd one.  I seem to have a new emitter in the neighborhood.  It puts out a broad, T7, rough-but-steady tone just below 50 KHz increments (7000, 7050, etc.) .  It is loudest on 40M - about S4 - but audible from 80M up, and varies with which antenna I'm using.  It peaks due east on 20M on my tribander, and the difference between the zero-beat frequency of the "carrier" and the 50-KHz intervals on my K3 diminishes with frequency, which suggests the possibility of harmonic origin of some sort.  I can also see it very clearly on my Red Pitaya 122-16 SDR spectrum display with the K3 off.

Any idea what I should be looking for?

73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

RFI mailing list
<Prev in Thread] Current Thread [Next in Thread>