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Technology requirements for post-1985 communications satellitesThe technical and functional requirements for commercial communication satellites are discussed. The need for providing quality service at an acceptable cost is emphasized. Specialized services are postulated in a needs model which forecasts future demands. This needs model is based upon 322 separately identified needs for long distance communication. It is shown that the 1985 demand for satellite communication service for a domestic region such as the United States, and surrounding sea and air lanes, may require on the order of 100,000 MHz of bandwith. This level of demand can be met by means of the presently allocated bandwidths and developing some key technologies. Suggested improvements include: (1) improving antennas so that high speed switching will be possible; (2) development of solid state transponders for 12 GHz and possibly higher frequencies; (3) development of switched or steered beam antennas with 10 db or higher gain for aircraft; and (4) continued development of improved video channel compression techniques and hardware.
Document ID
19740008775
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Burtt, J. E. (Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Moe, C. R. (Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Elms, R. V. (Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Delateur, L. A. (Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Sedlacek, W. C. (Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Younger, G. G. (Lockheed Missiles and Space Co. Sunnyvale, CA, United States)
Date Acquired
September 3, 2013
Publication Date
September 1, 1973
Subject Category
Communications
Report/Patent Number
NASA-CR-114679
Accession Number
74N16888
Funding Number(s)
CONTRACT_GRANT: NAS2-7073
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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