PRINCETON, N.J. & LUXEMBOURG--(BUSINESS WIRE)--SES S.A. (NYSE Paris:SESG) (LuxX:SESG), one of the world’s leading satellite operators, today announced it has initiated the first-ever live and linear Ultra HD (UHD) trial with cable MSO (Multiple System Operator) Armstrong. Armstrong is testing SES’s camera-to-screen Ultra HD ecosystem at its headquarters cable lab in Butler, Pennsylvania. SES’s Ultra HD offering, first unveiled in April 2015 at the NAB Conference, combines broadcast and IP techn