Future Space Programs: Hearings Before the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, Second Session, January 24, 25, 26, 1978U.S. Government Printing Office, 1978 - 986 páginas |
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Página 43
... factor of 17 to 20 times the number of current communications channels by 1993 and by over 100 times by 2000. The possibility of beam interference becomes a real and significant factor by 43.
... factor of 17 to 20 times the number of current communications channels by 1993 and by over 100 times by 2000. The possibility of beam interference becomes a real and significant factor by 43.
Página 44
of beam interference becomes a real and significant factor by 1981. Crowding of both the frequency spectrum and the preferred geosynchronous orbit positions may lead to communications " rationing " in the 1980 decade unless large ...
of beam interference becomes a real and significant factor by 1981. Crowding of both the frequency spectrum and the preferred geosynchronous orbit positions may lead to communications " rationing " in the 1980 decade unless large ...
Página 46
They pointed out significant barriers to be overcome , including the current public image of microwave radiation hazards . Their most important comment was , " Stop treating the solar power satellite like a space program and start ...
They pointed out significant barriers to be overcome , including the current public image of microwave radiation hazards . Their most important comment was , " Stop treating the solar power satellite like a space program and start ...
Página 48
Finally , significant overseas competition has been identified . Both Japan and the Federal Republic of Germany appear to be getting increasingly involved in space industrial- ization . Both nations have the industrial infrastructure to ...
Finally , significant overseas competition has been identified . Both Japan and the Federal Republic of Germany appear to be getting increasingly involved in space industrial- ization . Both nations have the industrial infrastructure to ...
Página 57
I'm happy to report that it looks like we have a real winner , if the Government and domestic industry decide to get down to doing something before somebody over- seas does it first and grabs a significant share of the market .
I'm happy to report that it looks like we have a real winner , if the Government and domestic industry decide to get down to doing something before somebody over- seas does it first and grabs a significant share of the market .
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Términos y frases comunes
activities additional agencies American appear applications approach areas become believe benefits Chairman Committee communications concept concern consideration continue contribute cost demonstrated Department direct early earth resources economic effects effort electrical energy engineering environment environmental ERIS establishment example experiments exploration funding future goals going Government ground human important increasing initial interest investment involved land Landsat launch light limited lunar major maps materials means microwave missions NASA objectives operational opportunity orbit planning possible potential present President private sector problems processing question remote requirements responsibility result role scientific sensing Shuttle significant Solar Power Satellite sources space industrialization space program station structures studies surface TEAGUE technical things transportation United University utilization
Información bibliográfica
| Título | Future Space Programs: Hearings Before the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, Second Session, January 24, 25, 26, 1978 Tema 95,Parte63 de Serial - House, Committee on Science and Technology |
| Autor | United States. Congress. House. Committee on Science and Technology |
| Edición | reimpresa |
| Editor | U.S. Government Printing Office, 1978 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 26 Feb. 2009 |
| Largo | 986 páginas |
| Exportar cita | BiBTeX EndNote RefMan |