Right

.
During
daylight please can you power off the router for 5 minutes, then start up again and
take the stats immediately after?
There's a couple of things in there that may clear if you do that. The 53dB attenuation should allow a Downstream of about 4500kbps, not the 3200kbps you have, but there is a setting at the time you connect that may be preventing that. Or if you're very lucky it may go back to normal.
We need the stats taken straight after connecting as noise margin starts to move around after a while and that's what I want to see before it does.
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost.
Internet connection - IDNet Home Starter Fibre.
Live BQM.
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.