Hi! I've been having a rather strange problem lately, and don't know what's going on. I'm new to the forum here so I will try to post as much as I can. I just have had dtv install a slimline dish last week and it's been working great for about a week. It snowed Saturday here in Chicago, and come Sunday night, around 9:00pm, the channels started to pixelate and drop. Ever since then, has done it. I've checked the signal strength (going from the top of my head) for sat 101 and transponder 16, 18, and the default one where it first pops up (1?). The signal strength is at 97% to 99% for about 30 seconds, then drops to 0% for a second, then pops back up to 97% for about 30 seconds, then back to 0%, and just teeter-totters like this indefinitely. I have two receivers and they both do this. Last night, I swapped the cable from the grounding block outside into the splitter (switch?) that has the power inverter feeding it. This seemed to fix the problem, until I turned on the other receiver. There was no pic and it was searching for a satellite. I then reset the second receiver, and during the setup of it, it wouldn't find a signal. After the initial setup, I did a signal test on the second receiver, and it would find it for about 1 second, then drop to 0 for about 15 seconds, and just go back and forth with it. This happened on all transponders too. I let it sit overnight and turned on both tuners/receivers this-morning, and everything was perfect. The signal strength stayed at between 97% to 99% on both tuners and there were no dropouts on the picture. Can anybody explain what might be going on and how I can prevent this from happening in the future? I have a pole mounted (2" galvanized pole that's in concrete) slimline dish. I would think that if it was an alignment problem, the signal would be in the 80% or 70% range, not high 90's. There's also no snow on the dish and the dish is bone dry. My next step is to attempt to swap the cable from the LNB to the grounding block, but I wanted to get some input here. Also, I would call the installer back, but I don't have any vacation time left at work and can't wait around for the installer. I'd like to fix it myself since I like troubleshooting things, so that's why I'm posting. thanks!