Labels:text | sketch | diagram | font OCR: NASA Lyndon B. Johnson Space Center SUBJECT: NAME: MISSION I.A. ORBITER RF SYSTEMS DG44/RENA H. HALDIMAN OPERATIONS DATE: PAGE DIRECTORATE AUGUST 26, 1987 4 THE ORBITER HAS SEVERAL RF SYSTEMS, INCLUDING UHF SYSTEMS, S-BAND SYSTEMS, AND KU- BAND SYSTEMS. THESE PROVIDE LINKS TO SEND VOICE, COMMANDS, OR TELEMETRY (DATA) BETWEEN THE ORBITER AND ANY OF THE FOLLOWING: PAYLOADS, EVA CREW, OR MCC (VIA GROUND STATION LINKS OR SATELLITE LINKS). (ORBITER DATA IS CALLED "TELEMETRY" WHICH IS FROM GREEK "TELE" MEANING "FROM FAR OFF" AND "METER" MEANING "TO MEASURE. "> DOD PAYLOAD OR Not all of NASA PAYLOAD DRS telemetry, voice, amis can travel over each link . EVA- CREW S-BAND PAI S-BAND KU-BAND VHF Ku- BAN S-BAND PM UPLINK AND DOWNL INK FM DOWNLINK GROUND STATION GROUND STATION TORS GROUND STATION
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