havnt spoken to you for ages paul! Was hoping id see you on here

I dont think its a poor signal problem, as i have never suffered from this before and the tv is working fine.
These are my signal levels:
Downstream Receive Power Level : -8.14 dBmv
Downstream SNR : 32.53 dB
Upstream Transmit Power Level : 42.00 dBmv
I used to know what was good but i cant remember now?
Cheers,
David