These first European HDTV broadcasts used the 1080i format with MPEG-2 compression on a DVB-S signal from SES's Astra 1H satellite. Euro1080 transmissions later changed to MPEG-4/AVC compression on a <answer>DVB-S2</answer> signal in line with subsequent broadcast channels in Europe.
What signal did Euro1080 later change to?
DVB-S2