Fred,
I have a plasma tv here and that sounds close to what I see when it is
on. It pretty much wipes out the AM BC band and very ugly for all ham
bands 160-10m. I can take a snapshot with my P3 and send it to you if
you'd like to compare.
Ironically, I just had a daytime RFI issue resolved here. It started a
few months ago. I would come home from work in the morning and listen
around for awhile and notice the noise would start when the sun came up.
Eventually, I noticed it went away at night. It was prominent on 160-20m
and it was only detectable on my vertical dipole. I could not hear it on
my doublet about 60' away. It was like very rapid lightning type pulse
noise. I was starting to think one of my neighbors may have installed a
new solar panel array.
Long story short, I finally eliminated power sources in the house
without relief. I then realized that the vertical dipole was near a
garden with some 2-3 year old solar lights my wife put in there.
Removing the lights and batteries eliminated the noise. A couple of the
fixtures had water in them and my guess is they were the problem. Crazy
to think a little solar charger like that could raise so much hell ;-)
73,
Dave W8FGU
On 04/29/2013 10:17 PM, Fred Jensen wrote:
I usually check into the No Cal Net on 3533 each night. I've begun to
get predictable noise with a unique signature on the P3 WF. It's a
series of bands, the first [around 3545] is the widest, they get
narrower up from that and the separation seems to be about 40 KHz. The
higher components get narrower but aren't any weaker.
Occasionally I've see it come on to an otherwise quiet band, and all the
"bands" on the WF drift some before stabilizing.
I have a screen shot from the P3 I'll send, anyone have any idea what
this is? I never see it in the daytime on any band, just in the
evening, which is suspicious ... plasma TV?
If it's my neighbor Casey, I'll just need to live with it, we don't do
battle with our neighbors. Besides, Sampson, their cat, gets along with
ours and shares his food.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org
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