John,

Maybe it's time to take a stroll through the neighborhood with a portable AM radio to see where the noise is strongest.  As others have said, it could be coming from just about anything.

Steve

----- Original Message ----- 
From: "John Glass" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, August 06, 2014 01:23
Subject: A Noise Problem I Am Having


> Hi,
> 
> I am trying to track down an intermittent noise problem, and any suggestions will be greatly appreciated.
> 
> I live in a condominium, and have an upstairs neighbor.
> 
> The intermittent noise covers the am broadcast band up through the 440 ham band.
> 
> When listening to a repeater, I can hear the noise start out at a low level, then it gets very strong and will take the local repeater completely out of my receiver for about five seconds.
> The noise seems to sweep in frequency.
> 
> Unfortunately, it is very random, sometimes I won't hear it for several hours, and at other times, It is present every few minutes.
> 
> I have turned my main ac circuit breaker off with no effect, so I think the source is coming from my neighbor's condo.
> 
> Any ideas of what might be causing this?
> 
> John