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
Satellite data unit Satellite data unit A satellite data unit (SDU) is an avionics device installed in an aircraft that allows air/ground communication via a satellite network. It is an integral part of an aircraft's SATCOM (satellite communication) system. The device connects with a satellite via ordinary radio frequency (RF) communication and the satellite then connects to a ground station or "vice versa". All satellite communication whether audio or data is processed by the SDU. The SDU communicates with an onboard MDDU (multi-purpose disk-drive unit) which maintains an updatable table of ground stations in the aircraft's current area and the order of preference