Start Date
4-1982 8:00 AM
Description
The role of the expendable launch vehicle (ELV) in the development of satellite systems is explored. Essentially an outgrowth of the ballistic missile which was first used for military applications 4 decades ago, the ELV is used for a wide spectrum of peacetime applications including the launching of earth orbiting satellites which provide inter- and intra-national communications, large area photography for weather analysis and prediction, and high resolution imagery capability for earth resources evaluation. The launch constraints and considerations which the satellite designer must address are reviewed.
A survey of three payloads developed by Hughes Aircraft Company for launch by expendable boosters is included. The HS 376 series of communications satellites are capable of transmitting digital data, digital and analog voice, and television in a typical geosynchronous orbit application. The Geostationary Meteorological Satellite (GMS) records and transmits visual and IR images of the entire earth. The multispectral scanner (MSS) is an imagery system used aboard the low altitude LANDSAT spacecraft which creates images in four spectral bands for evaluation of earth resources.
The Expendable Vehicle and Satellite Development
The role of the expendable launch vehicle (ELV) in the development of satellite systems is explored. Essentially an outgrowth of the ballistic missile which was first used for military applications 4 decades ago, the ELV is used for a wide spectrum of peacetime applications including the launching of earth orbiting satellites which provide inter- and intra-national communications, large area photography for weather analysis and prediction, and high resolution imagery capability for earth resources evaluation. The launch constraints and considerations which the satellite designer must address are reviewed.
A survey of three payloads developed by Hughes Aircraft Company for launch by expendable boosters is included. The HS 376 series of communications satellites are capable of transmitting digital data, digital and analog voice, and television in a typical geosynchronous orbit application. The Geostationary Meteorological Satellite (GMS) records and transmits visual and IR images of the entire earth. The multispectral scanner (MSS) is an imagery system used aboard the low altitude LANDSAT spacecraft which creates images in four spectral bands for evaluation of earth resources.
Comments
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