MILESTONES IN SATELLITE COMMUNICATIONS

1945. ARTHUR C CLARKE PROPOSES GEOSYNCHRONOUS SYSTEM. 1958. SCORE - FIRST VOICE COMMUNICATIONS VIA SATELLITE. 1962. TELSTAR ...
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MILESTONES IN SATELLITE COMMUNICATIONS 1945 1958 1962 1963 1965 1970 1976 1981 1987 1988 1989 1989 1990 1991 1992 1996 1997 1997 1997 1998 1999 2000 2001 2002 2003

ARTHUR C CLARKE PROPOSES GEOSYNCHRONOUS SYSTEM SCORE - FIRST VOICE COMMUNICATIONS VIA SATELLITE TELSTAR - FIRST REAL RELAY TYPE COMMUNICATIONS SATELLITE SYNCOMM II - FIRST REAL GEOSYNCHRONOUS COMMS SATELLITE EARLY BIRD - LATE BECAME INTELSAT 1 FSS EUTELSAT ESTABLISHED EUROPEAN FSS INMARSAT MSS MARECS A MSS (ECS USED BY INMARSAT) IRIDIUM PROPOSED ASTRA 1A LAUNCHED (1G LAUNCHED DEC 1997) MOTOROLA SATELLITE COMMUNICATIONS DIVISION FORMED INTELSAT VI USES SS/TDMA INMARSAT C - FULLY OPERATIONAL INMARSAT M TO FOLLOW GLOBALSTAR FORMED (VODAFONE) INTELSAT (K) DEDICATE SATELLITES TO DBS, FFS, & PTT INTELSAT 8 SATELLITES LAUNCHED 41 IRIDIUM SATELLITES LAUNCHED 39 USEFUL (66 PLANNED) 4 GLOBALSTAR SATS LAUNCHED (4.12.97) 52 TO FOLLOW 36 LEO ORBCOMM SATELLIES TO BE LAUNCHED TELEDESIC NGSO FSS, MACROCELL (96 SATS, note 65000 LEO’S POSSIBLE ) DOMESTIC SATELLITE TRANSMITTERS (FOR INTERNET ACCESS) APPEAR DIRECDUO TELEDESIC GET 1GHz OF BANDWIDTH SET ASIDE, INMARSAT DEVELOP DATA SERVICES GLOBALSTAR RESTRUCTURE, GALILEO GETS GO AHEAD IRIDIUM (NOW RESTRUCTURED) DOING OK, TELEDESIC ON HOLD, FSS DO WELL; INTELSAT 9 SERIES LAUNCHED, EUTELSAT HOT BIRD, ATLANTIC BIRD… ?

SATELLITE ORBIT TYPES 1. GEO’s GEOSYNCHRONOUS ORBIT (36,00O km) 2. HEO’s MOLNYA, TUNDRA (APOGEE