Has anyone else lost the signal for C4 and More4+1 this evening? The picture was breaking up a bit on C4 when I started watching at 8pm, and by 8.15pm was gone completely. Just says channel scrambled or not available. The iplate reports signal strength (top bar) of about 90% and signal quality (bottom bar) of 100%. All other channels that I've looked at (I've checked from 101 through to about 200) seem OK. I've tried rebooting.