Strange FM signal

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KC3AWP

KC3AWP

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Driving through central PA today and got blasted with this strange noise. It was full quieting for about 75 air miles and the only thing that stopped it was at my final stop was a commercial station overpowering it. Heard it on 104.1 FM but i could also hear it weakly on other frequencies. Seemed to change pitch frequently too. (Filmed in a semi truck, standard Mack FM radio) Any ideas on what I'm hearing? Sounds like a beacon maybe?

http://youtu.be/5Utuq_lAc14


If theirs a better section to post this in let me know, THX!
 
V

Voyager

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zz0468 said:
Yes, I know. I saw an opening and I had to go there.
Click to expand...

I got a chuckle out of it. I understand seeing something laying on the silver platter being irresistible. Although I have read of some truckers that have the other type of ECM with respect to radar.
 
n9mxq

n9mxq

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I would feel if it's the ECM it would be present wherever the truck goes. And I don't think that's the case. However, that is one weird signal.
 
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mainetrunk

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Sounds like a video game to me, lol... It -is- weird though. Ever heard 1 of those serveying camera's? I mostly hear them on 464.500-csq. That's weird too
 
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