[Spooks] HM01

[Token]

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 at mailman.qth.net
Subject: [Spooks] HM01

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this list

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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