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My first thought was the ole VFT.. especially on AM sounds a lot like a squadron of old bombers. On 8/15/14, Token <t_o_k_e...@hotmail.com> wrote: > Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from > this list > > 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 > > Visit http://mailman.qth.net/mailman/listinfo/spooks to unsubscribe from > 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 > ______________________________________________________________ > Spooks mailing list > Home: http://mailman.qth.net/mailman/listinfo/spooks > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Spooks@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > Spooks mailing list > Home: http://mailman.qth.net/mailman/listinfo/spooks > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Spooks@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -- Semper Reluctor "Be polite, be professional, but have a plan to kill everybody you meet." -- General James N. Mattis USMC ______________________________________________________________ Spooks mailing list Home: http://mailman.qth.net/mailman/listinfo/spooks Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Spooks@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html