SATELLITES FOR COMMERCIAL LONG-RANGE COMMUNICATIONS

Contemporary long-range communications systems and their limitations are introduced as a basis for developing general system requirements. Various proposed communications satellite systems and their possible limitations are discussed in relation to the need for reliability, quality, speed of operati...

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Bibliographic Details
Main Author: MCCALMONT,ARNOLD M
Format: Report
Language:English
Subjects:
ARTIFICIAL SATELLITES
BOOSTER ROCKET ENGINES
COMMUNICATION AND RADIO SYSTEMS
COMMUNICATION SATELLITES
MICROWAVE RELAY SYSTEMS
MICROWAVES
MILITARY REQUIREMENTS
NOISE(RADIO)
ORBITS
PROPAGATION
RADIO EQUIPMENT
RADIO INTERFERENCE
RADIO JAMMING
RADIO RELAY STATIONS
RADIO RELAY SYSTEMS
RADIO REPEATERS
RELIABILITY
SYNCHRONOUS SATELLITES
WAVE PROPAGATION
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Summary:Contemporary long-range communications systems and their limitations are introduced as a basis for developing general system requirements. Various proposed communications satellite systems and their possible limitations are discussed in relation to the need for reliability, quality, speed of operation, capacity, flexibility, economy, security, and jamming. Simplified astronautics and booster considerations are discussed prior to delineating satellite and ground station requirements. Proposed commercial systems are presented prior to introducing conclusions. Based on available information, conclusions are reached which indicate there is a useful role for commercial communication satellites and that they are economically feasible. Communications using passive satellites in orbit of the three to five thousand mile category should be the first step in the system. Eventually the communications satellite systems would evolve into one system using active repeaters in 24-hour stationary orbit. (Author)