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Graphics Interchange Format  |  1993-04-30  |  98KB  |  3300x2560

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OCR: NASA Lyndon B. Johnson Space Center SUBJECT: NAME : MISSION 11.B. THREE FORMS OF COMMUNICATIONS DG44/RENA H. HALDIMAN OPERATIONS DATE: PAGE DIRECTORATE AUGUST 26, 1987 9 THE FIVE ORBITER RF SYSTEMS ARE USED TO TRANSMIT THREE FORMS OF COMMUNICATIONS: 1. VOICE - REAL TIME CONVERSATIONS BETWEEN CREW AND CAPCOM ( IN MCC) 2. COMMANDS - CONTROL SIGNALS SENT UPLINK FROM MCC TO THE ORBITER INSTRUMENTATION; ALSO, CONTROL SIGNALS SENT FROM THE ORBITER OR A GROUND SITE TO A PAYLOAD. 3. TELEMETRY - DATA SENT FROM THE ORBITER, A PAYLOAD, OR EVA CREW TO MCC, INCLUDING: TELEVISION (TV) RECORDED VOICE PAYLOAD DATA (REAL TIME) PAYLOAD RECORDED DATA MAIN ENGINE DATA ORBITER INSTRUMENTATION DATA ORBITER INSTRUMENTATION RECORDED DATA BIOMED DATA FROM EVA CREW

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