home *** CD-ROM | disk | FTP | other *** search
/ Space & Astronomy / Space and Astronomy (October 1993).iso / pc / images / shuttdoc / commov17.gif < prev    next >
Graphics Interchange Format  |  1993-04-30  |  72KB  |  3300x2560
Labels: text | screenshot | font | number | black and white | line | document
OCR: NASA Lyndon B. Johnson Space Center SUBJECT: NAME: MISSION II.C.2 S-BAND PM SYSTEM: SUMMARY DG44/RENA H. HALDIMAN OPERATIONS DATE: PAGE DIRECTORATE AUGUST 26, 1987 16 UPLINKS AND DOWNLINKS COMMUNICATIONS BETWEEN THE ORBITER AND MCC VIA GROUND STATION LINKS AND TDRS LINKS PM COMMUNICATIONS INCLUDE VOICE, COMMAND, AND TELEMETRY OPERATES IN S-BAND RANGE OF 1750-2300 MHZ USES FOUR QUAD ANTENNAS TO TRANSMIT/RECEIVE COMMUNICATIONS (SEE II.D. ANTENNA LOCATIONS)