Labels:text | screenshot | font | number | line | document | black and white OCR: NASA SUBJECT: NAME: Lyndon B. Johnson Space Center MISSION II.C.1 UHF SYSTEM: SUMMARY DG44/RENA H. HALDIMAN OPERATIONS DATE: PAGE DIRECTORATE AUGUST 26, 1987 11 UPLINKS AND DOWNLINKS VOICE (ONLY) COMMUNICATIONS BETWEEN THE ORBITER AND MCC VIA GROUND STATION LINKS (ONLY) HAS SPECIAL EVA LINK CAPABILITY BETWEEN THE ORBITER AND EVA CREW (DUPLEX MODE AND SIMPLEX MODE) EVA UHF COMMUNICATIONS INCLUDE VOICE AND EVA BIOMED DATA OPERATES IN UHF RANGE OF 240-300 MHZ USES ONE ANTENNA TO TRANSMIT/RECEIVE COMMUNICATIONS: AN AIRLOCK UHF ANTENNA IS AVAILABLE FOR EVA USAGE (SEE II.D. ANTENNA LOCATIONS)
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