John Zubrzycki at the BBC was responsible for the 8K broadcasts during the London summer olympics in 2012. He has both written about his experience and held a presentation where he explains how the BBC did recording, post-processing and transmission of the TV signals. They used equipment from NHK that is also being used in this new upcoming trial.
<a href="http://www.bbc.co.uk/blogs/researchanddevelopment/2012/08/the-olympics-in-super-hi-visio.shtml" rel="nofollow">http://www.bbc.co.uk/blogs/researchanddevelopment/2012/08/th...</a>
<a href="http://www.fxguide.com/fxguidetv/fxguidetv-167-cvmp-hi-vision-at-the-olympics/" rel="nofollow">http://www.fxguide.com/fxguidetv/fxguidetv-167-cvmp-hi-visio...</a>