I've been using a Pace Ondigital box since the early days of ondigital and reception has always been shady. At the beginning an engineer came out to install a DTV compliant aerial and baffled by the poor reception (i'm in oxfordshire area, and neighbours do fine) ended up installing his most expensive aerial and a signal booster (with OnD footing the bill). As I said the signal has always been odd, up untill recently we could never get digital 5, but for the last 3/4 years its Mux2 thats been the issue with varying degrees of break up. About a week ago all mux2 channels just disappeared with a red dot resulting in some frustrating investigations into the ground level set up... I tried different leads etc. but the most significant finding was when using the analogue tuner on the television for the first time in years (terrible pictures with lots of snow), however I find that by disconnecting the wall plate and physically holding the copper core of the wire from the wall against the blob of solder directly in line with the plate socket (as opposed to the screw lock at the edge of the circuit board) I could acheive a perfect picture! So I purchased some F connectors from Maplin and now that works all the time (without the precarious connection!). However....still no Mux2!!!. At my wits end I decided to try the freeview box on an old indoor aerial upstairs and guess what....Mux2 is detected and is perfectly fine. So a £15 loft aerial dangling from a roof beam giving better reception than a huge expensive roof aerial tells me that something is very wrong. Anyone have any ideas or is it time to present this information to a professional? One last note...I looked at the outdoor aerial connection in the loft and its connecting to a box labelled as a "mast head amplifier" and then another stretch of coax comes out of the box and goes down the wall to the wall plate downstairs. There's no power going to this "amplifier" so I don't know how its doing its job. Connections seem to be fine though. Any suggestions would be greatly appreciated. (sorry for the essay, but there's a 10 year recap here!).