On 1/30/2011 5:34 PM, Brian - N5BCN wrote: > This suggests to me that the source is indeed the DVR and > it's generating RFI on the HDMI cable. The possibilities are more complex than that -- it could still be the signal from DVR is causing the TV to generate the trash. From your description, it does sound like the coax is not involved. 73, Jim K9YC