Jim, Plasma TVs are wideband signal generators, and almost certain to cause QRN. Go for a good LED TV and things will be interference free. Yes, the plasma TVs are less expensive, but if you value your on-air time while the XYL watches TV, you will need to use something other than a plasma TV.
73, Don W3FPR On 9/10/2012 1:57 PM, Jim Bennett wrote: > This is only slightly off-topic, but since I do operate a K3, it still fits - > kinda! > > We have two plasma TV's in our home. One is a ten year old Sony 42 inch unit. > The other one is a two year old Samsung 63 inch TV. They are about 50 feet > from the shack, and only eight feet away from each other - two different > rooms. The Sony has never, ever caused any sort of QRN on any of the ham > bands. Because of that, we purchased the Samsung unit right after moving into > this QTH. I did not have an HF antenna installed for several months after > moving in - when I finally did get one put up, I saw some ugly QRN on most of > the HF bands. However, at the time I was not aware of the "plasma effect" > that I am now. When I heard the QRN, I "assumed" it to be from the PG&E high > power lines that are pretty close to the house. By the time I put two & two > together and figured out that the ugly noise was from this Samsung TV, it was > already out of warranty. Ughhh…. > > We are now in the market for another TV, and have been looking at a very nice > Panasonic 65" Plasma set, model TC-P65VT50. I've already told the Best Buy > sales manager that IF we do buy it and IF it causes QRN to the HF bands, it > is coming right back. He said that is no problem. But, if I can query this > group to see if anyone else has one of these TV's, I may be able to avert a > lot of work ahead of time. Our second choice would be an LED set, but after > seeing plasma and LED side by side, playing the exact same content, I want to > stay with plasma - BUT ONLY IF IT DOESN"T SCREW UP THE K3!!! > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
