MacBook Pro Retina wifi issue
I've hunted the boards here and have seen lots of questions regarding MacBook Pro Retina wifi issues but I haven't yet found an answer. I've had a 15" Retina since late August. It came with Mountain Lion and apart from the update to 10.8.2 I have altered no settings at all. The install was obviously clean and I didn't migrate any settings from my prior MBP.
The issue I have is near-constant loss of wifi connectivity to my Time Capsule. I have 4 full bars showing, but whatever netwrok activity I undertaking hangs. Often, after several minutes, the activity will recommence by itself.
At the same time I have an iMac and various IOS devices which continue to connect with no problem. If I look at the network diagnostics during one of these hangs it tells me that I have lost connectivity at the ISP level, but that can't be the case as I can connect to the same webpage at the same time on another mac.
I've tried deleting prefs and networks, changing locations, without success. Hardwired to the Time Capsule I never get the problem, so everything is pointing to the wifi.
The issue seems to be getting worse over time.
This seems to be a widespread issue but I'm not sure anyone has successfully negotiated their way around it.
Any clues?