Movistar haven't got UHD channels available on Sat, only on FTTH conections.
On Astra you can watch right now RTL, UHD1 and ProSieben with common clines
On Hotbird you have Rai 4K, Eleven Sports 4K (not HDR) and Eurosport 4K & TVP 4K when there are Olympics, UEFA Euro or World Cup. But also...