Walter Cronkite the CBS network coverage as violence and protests occurred outside the convention, as well as scuffles inside the convention hall. When Dan Rather was punched to the floor (on camera) by security personnel, Cronkite commented, "I think we've got a bunch of thugs here, Dan." The first publicly transmitted live trans-Atlantic program was broadcast via the Telstar satellite on July 23, 1962, at 3:00 pm EDT, and Cronkite was one of the main presenters in this multinational broadcast. The broadcast was made possible in Europe by Eurovision and in North America by NBC, CBS, ABC, and the CBC. The first
British Satellite Broadcasting the Astra operator, had no regulatory permission to broadcast, had plans (initially) for only one satellite with no backup, and the European satellite launch vehicle "Ariane" suffered repeated failures. However, SES used the resulting delay time to re-engineer the satellite to reduce the dish size needed, which would otherwise have been larger than 60 cm (24"). To distance itself from Sky and its dish antennas, BSB announced a new type of flat-plate satellite antenna called a "squarial" (i.e., "square aerial"). The illustrative model shown to the press was a dummy and BSB commissioned a working version which was under 45