From: "Travis Jordan" 
Newsgroups: misc.consumers.house
Subject: Re: Harmonic unidentified noise in apartment
Date: Mon, 07 Feb 2005 17:53:55 GMT

Jabba wrote:
> Just moved into a new place. Noticed a sound that reminds me of
> somebody playing a single note on a wind instrument over and over ad
> nauseum. The noise is intermittent and always sounds the same. I think
> some people refer to it as "white noise".

It's not "white noise".  White noise has energy spread across the
specturm, not just a single note.

Is this a single family or multi-family dwelling?

Try turning off various circuit breakers and see if you can make it go
away.  That will give you a clue.