I also had intermittent interference coming from two amateur repeaters. I 
maintain an ARMY MARS repeater and when repeater a and repeater B were on it 
produced a signal within 5 khz of the input to the ARMY MARS repeater. Both 
amateur repeaters were located on top of the same building.  The MARS repeater 
was located some miles away.

It took a little looking at a spectrum analyzer to find the two. Repeater A 
minus repeater B plus repeater A = interference to MARS repeater.



David

  ----- Original Message ----- 
  From: Nate Duehr 
  To: [email protected] 
  Sent: Saturday, November 10, 2007 9:34 PM
  Subject: Re: [Repeater-Builder] Possible interference on 146.160



  On Nov 10, 2007, at 4:52 AM, Ron Wright wrote:

  > Bruce,
  >
  > I have a 146.04/64 repeater and for years have noticed weak signals 
  > roaming in the bottom part of 146. I had thought it was from cable, 
  > but have not been able to verify or locate.
  >
  > A local 146.67 repeater has the most server problem with a weak 
  > signal opening its receiver often (it is not toned).
  >
  > 73, ron, n9ee/r

  Noise is noise, I don't think there's any particular relationship 
  between the part of the band being hit and the noise sources that are 
  typical.

  I've been struggling to find a weak carrier on the input of our 
  147.225 (147.825 input) repeater for years...

  --
  Nate Duehr, WY0X
  [EMAIL PROTECTED]



   

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