No ITV channels working

[Shazza08]

Every day I loose ITV for around 6 hours per day firstly it pixelated then goes completely. I follow the yellow button advise to reboot the box but nothing works. It does come back but is getting longer and longer. All other channels are ok

[Annie+UK]

What are your Signal Strengths/Qualities for ITV when this is happening? Take a look at the link below:

Question Q11 in my Sky Plus F⋅A⋅Q