On Mon,6/27/2016 10:22 PM, Peter D. Vouvounas wrote: > My Vote 'Plasma TV'... There are spectral plots of plasma TV RFI in http://k9yc.com/KillingReceiveNoise.pdf It's important to realize that both the sound and the spectrum will depend strongly on which of the dozen or so DTV and HDTV formats is being displayed. 73, Jim K9YC