We always imagine that broadcasting is just about tuckered out from the impossible task of getting yet another screen density, first HD, now UHD, into its tiny and shrinking spectrum holdings – but France Television has used the French tennis Open Championship to sample UHD with a cluster of some 28 companies, some start-ups – all over France. The two week event has included inputs from Grass Valley (cameras and servers); broadcast infrastructure leader TDF, as well as Fransat, for distribution; an encoding platform that seems to be managed by Envivio but with HEVC encoding power provided by Ateme and Thomson Video Networks, with audio from Dolby, the first time its new AC4 has been used in a broadcast. IP…