Rescanned my PCTV tuner, and spotted this channel.
http://www.a516digital.com/2014/02/b...iewers-as.html
It's a temporary test channel, carried on live and test local freeview muxes.
Also have a test transmission for London Live, and another test card test channel.
Content: Vintage US TV, Bonanza, I Love Lucy, Dragnet, Beverly hillbillies etc.