In British Columbia, brief shot of a sign re "Canada - Department of Transport - Experimental Satellite Communications - Earth Station". LSs of a telescope radome. Various LASs of a radio telescope dish antenna inside a dome. Various LAMSs of a dish turning on its axis. Interior shot of a control room. TILT UP to a monopulse receiver console, an operator at a servo control console. TILT DOWN from three monitors to the central control console, an operator seated there. Shots of monitors, test patterns on a screen. MLS of a small computer, an operator seated in front of it. MCU of the same, tape reel turning jerkily. MS of digital time readout. Cut to MS of a rapidly turning digital readout.