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Your description is not specific enough, there are many signals that can
sound like that, from digital modems to radars. At least a frequency and
mode you used should be included in any such report, however since many
radars move around in frequency that might be of limited help.
At a guess I would first look at the PLUTO II British radar or the Russian
29B6 radar, they both can sound very much like propeller driven aircraft to
some people.
Example of PLUTO here:
https://www.youtube.com/watch?v=tU6UTZUCvsc
T!
Mojave Desert, California, USA
-----Original Message-----
From: Ashley Dugan
Sent: Friday, August 15, 2014 8:02 PM
To: spooks@mailman.qth.net
Subject: [Spooks] HM01
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08/15/14
HM01 9333 kHz 08:00 UTC
Tuned in to open carrier then it started at 8.
Newbie question: I always hear a sound like a plane engine running (like a
propeller plane) on one or two frequencies at night. I've checked sound
clips on N&O and UDXF, but I can't find it. Can someone tell me what this
is?
Thanks!
Ashley Dugan
Sapulpa, OK
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