Big Buzz at 3600 KHz

I have a nasty source of QRM centered around 3600 with 60 Hz sidebands. I have shut things off around my house, no change. It's only there when the system is on an antenna, so I don't think's its the PS. Anybody have and/or solve this?



  • The exact freq is closer to 3585.5
  • Man, this takes me waaaaaaaaaay back.  That is really close to the colorburst crystal oscillator frequency in TVs, sometimes used as a QRP rock.... sounds like an internal oscillator in some nearby gear?

  • I knew Color Burst!  My next move is shut the whole house except for the Kiwi and see :-)
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