Imagine thousands of little lightening bolts... Thats Plasma TV.
--
Thanks and 73's,
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On Tue, 2014-03-25 at 18:28 -0600, Tom Thompson wrote:
> Ed,
>
> I checked out a few plasma tv sets a couple of years ago with a portable
> shortwave receiver. The RFI was coming right out of the front of the
> set which made sense since that was where the discharge was occurring.
>
> Tom W0IVJ
>
> On 3/25/2014 12:31 PM, Hare, Ed W1RFI wrote:
>
> > Thanks, Dale.
> >
> > We can then see if the TV is still in production. If it is no longer
> > manufacturered, it may be a harmful interference complaint, not a possible
> > emissions-limit violation.
> >
> > The ARRL Lab would also be willing to provide a few filters to try, if your
> > neighbor is willing to work with you. Some have speculated that the noise
> > comes directly from the TV, and this could be true, but I still tend to
> > think in terms of noise coming out the AC mains and possibly also being
> > radiated by the shield of the incoming coaxial feed line.
> >
> > -----Original Message-----
> > From: Dale J. [mailto:dj2001x@comcast.net]
> > Sent: Tuesday, March 25, 2014 2:29 PM
> > To: Hare, Ed W1RFI
> > Cc: rfi@contesting.com
> > Subject: Re: [RFI] ARRL to FCC...
> >
> > Ed
> >
> > I'll see if I can get that information from my neighbor, but it will take a
> > while. I have to actually get in the house and look at the back of the TV
> > and get the model number because I don't think they know for sure. As soon
> > as I get it I'll send you a email.
> >
> > Tnx
> > 73
> > Dale, K9VUJ
> >
> >
> > On 25, Mar 2014, at 13:04, "Hare, Ed W1RFI" <w1rfi@arrl.org> wrote:
> >
> >> If the ARRL Lab can get some reports involving specific model numbers, we
> >> can do some testing and find out where these plasma sets stand. I had a
> >> report in MD that involved two Samsung plasma TVs. One made very loud
> >> radiated noise, while the 2nd model, also a plasma TV, was quiet.
> >>
> >> I need reports that involve a plasma TV operating in a neighbor's home
> >> causing harmful interference. So far, most of the reports have been about
> >> the QRZ.com and RFI list discussions, not a specific report.
> >>
> >> The ARRL Lab can measure conducted noise and radiated noise from devices,
> >> but we really need to start with actual, non-general reports.
> >>
> >> Ed Hare, W1RFI
> >> ARRL Lab
> >>
> >> -----Original Message-----
> >> From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of KD7JYK DM09
> >> Sent: Friday, March 21, 2014 12:23 AM
> >> To: rfi@contesting.com
> >> Subject: Re: [RFI] ARRL to FCC...
> >>
> >> : Now if they would recall all the damn plasma TV's out there doing the
> >> same
> >> : thing it would really tickle my butt cheeks...but, any such action is
> >> : goodness!
> >>
> >> How mant times have you contacted the FCC regarding the interference to
> >> your licensed service?
> >>
> >> Kurt
> >>
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> >
>
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