[RFI] Noise changes when room lights turn on / off UPDATE

[W5JR.Mike]

And along those lines - since you said you turned power off to the house - do you or a neighbor have any of the solar accent LED lighting??? Or any other solar powered equipment. 

tnx
Mike

On Sep 13, 2012, at 11:32 PM, "Wes Attaway \(N5WA\)" <wesattaway at bellsouth.net> wrote:

> Do you have outside lighting that turns on during the time period in
> question?
> 
> ----------------- Wes Attaway (N5WA) ------------------- 
> 1138 Waters Edge Circle, Shreveport, LA 71106 
>    318-797-4972 (Office) - 318-393-3289 (Cell) 
>        Computer Consulting and Forensics 
> -------------- EnCase Certified Examiner --------------- 
> 
> 
> -----Original Message-----
> From: RFI [mailto:rfi-bounces at contesting.com] On Behalf Of Tony
> Sent: Thursday, September 13, 2012 10:09 PM
> To: Rfi List
> Subject: Re: [RFI] Noise changes when room lights turn on / off UPDATE
> 
> All:
> 
> Just an update on the noise:
> 
> Turned off all breakers in the house except for one that powers a single 
> A/C outlet in the shack. The noise was still there. Friend has not come 
> through with his battery powered HF rig so I might just by a small 12 
> volt so I can run the rig with the main breaker turned off.
> 
> To recap:
> 
> - noise appears each night between 7PM and 8 PM.
> - Continues intermittently until morning and is not heard during the day
> - it sounds similar to line noise. It's wide-band about 30khz in width
> - It appears every 120 kHz on several HF bands.
> - noise shifts in frequency when shack light is turned on / off using 
> house switch
> - shack light is not the source of the noise. It's there with the light 
> unplugged
> - noise appears on a heading that is beaming away from my QTH
> 
> Noise video - http://www.youtube.com/watch?v=EYHbpLfQ1gc
> 
> Thanks,
> 
> Tony -K2MO
> 
> 
> 
> 
> -
> 
>>> All:
>>> 
>>> The noise that appeared this evening at 7:00pm may have something to 
>> do with AC power coming into the house. I noticed that the noise 
>> changed when I turned the shack light on and off. This video shows 
>> what happens: http://www.youtube.com/watch?v=EYHbpLfQ1gc
>>> 
>>> There are no florescent lights or touch lamps in the house. 
>> Unplugging the shack light does not make the noise go away. Turning 
>> the shack's light switch on or off with the light unplugged does not 
>> change the noise. The noise persists with power supplies, computers 
>> and TV's turned off or unplugged.
>>> 
>>> I'll investigate further and report back tomorrow.
>>> 
>>> Thanks,
>>> 
>>> Tony -K2MO
> 
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
> 
> _______________________________________________
> RFI mailing list
> RFI at contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi