I have a 6000 receiver and use an antenna to get my local channels. About a week or two ago the signal strength on the local digital channels when to 0 and the analog channels are nothing but snow. I tried disconnecting, deleting the digital channels from the menu, rebooting.. nothing worked...

I've had a Dish 500(119/110) and an older dish pointed at 61.5 using a SW21 leading to a 6000 receiver for over two years with no problems. A few days ago the signal on 119 dropped down into the forties then 0. I've rebooted and disconnected the input at the back of the receiver and I've run...