I’ll hold off on bothering you with stats as exhaustion means events have moved on and overtaken me. AA did not mention it to me but Janet noticed an Openreach man lurking near the pole that is immediately below the house.
There are no engineers’ notes in the clueless.aa.net.uk event log.
But …
Early afternoon things improved dramatically; the packet loss disappeared and downstream sync speed rise to a respectable 2.9Mbps.
So, fingers crossed, it may well be that
AA has remotely fixed the problem using deep magic. God only knows how though. ‘Port flexing’ that’s how?
Current status quo as at 20:50 : Live sync rates:
#1: down 3136 kbps, up 522 kbps
#2: down 2986 kbps, up 515 kbps
#3: down 3264 kbps, up 416 kbps
#4: down 2942 kbps, up 531 kbps
—
Btw notice an all-time highest ever d/s sync rate record scored by line #3 with 3.264 Mbps. This freak occurrence is something to do with switching kit off when failing to install the new UPS.