[Boatanchors] Strange noise on 75 meters

[Duane Fischer, W8DBF]

John,

Do not forget "all" the battery powered items, including watches!


----- Original Message ----- 
From: "John King" <k5pgw at yahoo.com>
To: <boatanchors at mailman.qth.net>
Sent: Sunday, February 27, 2011 3:09 PM
Subject: [Boatanchors] Strange noise on 75 meters


>I have a raspy noise with rapid pulses on 3.660 mhz and at about 3.890 
>mhz.I
> have turned all electronic appliances in the house off including 
> computers, TVs
> lights etc including the door bell by throwing all circuit breakers in the 
> house
> ONE at a time. Can't find a source in the house or immediate area.
>
> Drove down highway and using the AM radio in the van, found an 
> exceptionally
> high noise in the vicinity of two Power Company Transformers approximately 
> 1.5
> miles from our home. I have a good relationship with the Power Cooperative 
> and
> they have been very responsive in the past. I am just not sure the noise I 
> am
> experiencing in my shack is eminating from the transformers in question. I 
> do
> not have this level of noise on 160, 40, 30, 20, I8, 12, or 10. There is 
> noise,
> of course, but not the level or raspy nature of the 75 meter noise. Not 
> sure if
> the transformers 1.5 away miles might be the problem .
>
> During my 54 year ham career, I have searched and sniffed line noise and 
> most of
> it has been such that it appeared across an entire band and often on more 
> than
> one band without peaking at frequencies such as this case. Your thoughts,
> suggestions and musings based upon your knowledge and experience  will be
> appreciated. Thanks and 73, John, K5PGW
>
>
>
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
> -- 
> Internal Virus Database is out-of-date.
> Checked by AVG.
> Version: 7.5.557 / Virus Database: 270.12.4/2081 - Release Date: 4/26/2009 
> 9:44 AM
>
>