[Elecraft] Tracking down S9+ noise on 40M

[riese-k3djc at juno.com]

light dimmers
touch on off lamps
plasma tv sets

bob k3djc


On Wed, 18 Jan 2012 19:41:33 -0800 (PST) David Dietrich
<kc9ehq2003 at yahoo.com> writes:
> Hi All,
> 
> Could someone please explain the proper way to track down RF noise 
> in and around my house?  More often than not, I always have S9+ 
> noise on 40 Meters, making anything but really strong signals (S9+) 
> audible above the noise.  I have only had a few instances where the 
> noise was below S9 on 40.  I know I have to power down the house and 
> then bring it up one circuit at a time with my radio on battery 
> power.  I also know I am supposed to use a handheld AM radio to 
> listen as I walk around the house.  I don't know what I should be 
> listening for, or where to tune on AM to hear what I am supposed to 
> hear.  Now that I am getting back into operating more regularly, I 
> would really like to see where some of this noise is coming from; 
> and reduce or eliminate it if at all possible even if it means 
> shutting something off while I am on the air.
> 
> 73,
> 
> David, KC9EHQ
> K1-4 s/n 2051
> K2/10 s/n 7164
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