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Re: Any idea what this QRM is?

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  • pa3gwh
    yes I have seen this too... thought it was some kind of bad dimmer or TV but must be one hack of a tv if you hear it too Darin :-)
    Message 1 of 3 , Mar 21, 2009
      yes I have seen this too...

      thought it was some kind of bad dimmer or TV but must be one hack of a tv if you hear it too Darin :-)
      > >
      > > I see this on my waterfall from time to time. Usually on 17m, but on other bands occasionally as well:
      > >
      > > http://www.squidzone.ca/ve3oij/images/QRM.jpg
      > >
      > > I'm sure it's man-made. It starts as a short tone, then bursts into that comb pattern. It *seems* to have some kind of modulation on it, but I haven't been able to figure out what it might be. The signal will drift down the band for a while and eventually disappear.
      > >
      > > 73 de VE3OIJ
      > >
      >
      > i have seen this on 30mtr tonight have a great weekend all hope to see you on my water fall 73s de alan m0jra
      >
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