You're a nice man. It's raining hard tonight, and I was resigned to NOT being able to watch a favorite show. But when I wiped the SL1PLL feedhorn cover bone dry I would get a stable picture instead of none --- voila. A baseball hat bill cut from a water bottle means TV tonight. Hadn't imagined that a little water could wreak such havoc....Another idea would be to cut a RF transparent shade (think baseball hat bill) from a water bottle that prevents rain from directly hitting the feedhorn cover.