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Nasa Cr 6 12 78 https://ntrs.nasa.gov/search.jsp?R=19690020432 2020-03-12T03:45:20+00:00Z W 60 29810 NASA CR 6 1278 NASA CONTRACTOR NASA CR-61278 REPORT April 8, 1969 PREFEASIBILITY STUDY OF A SPACE ENVIRONMENT MONITORING SYSTEM (SEMOS) Prepared under Contract No. NAS 8-20082 by Chou, ChihKang, B. D. DeBaryshe, A. S. Hill, and M. C. Thadani NORTHROP SPACE LABORATORIES For NASA-GEORGE C. MARSHALL SPACE FLIGHT CENTER Marshall Space Flight Center, Alabama April 8, 1969 NASA CR-6 1278 PREFEASIBILITY STUDY OF A SPACE ENVIRONMENT MONITORING SYSTEM (SEMOS) Chou, ChihKang, B. D. DeBaryshe, A. S. Hill, and M. C. Thadani Prepared under Contract No. NAS 8-20082 by NORTHROP SPACE LABORATORIES Huntsville, Alabama For Ae ro-As trodynamic s Laboratory Distribution of this report is provided in the interest of information exchange. Responsibility for the contents resides in the author or organization that prepared it. NASA-GEORGE C. MARSHALL SPACE FLIGHT CENTER a FOREWORD Although this report was prepared in early 1966, it contains ideas and concepts which may still be of value in planning future aerospace environment measuring programs. The work reported was accomplished to assess the need for a space environment monitoring system and briefly develop the requirements and some possible concepts. The material con- tained in this report represents only pre-feasibility considerations and reflects the ideas and opinions from representatives of many private firms, universities, and government organizations at the time (March 1966). The report is published to document the effort as a contribution to future endeavors on the subject. iii PREFACE ‘rliis report was prepared by the Northrop Corporation, Norair Division, North r op Space Laboratories, Huntsville, Alabama, under . NASA Contract NAS8-20082, Appendix F-1, Schedule Order 11. This Schedule Order was initiated by Mr. W. W. Vaughan, Chief, Aerospace Eiivironiiient Division, Aero-Astrodynamics Laboratory, George C. Mar- shall Space Flight Center in February 1966. The technical coordinator for this task was Mr. R. E. Smith, R-AERO-YS. Mr. Jesco von Putt- kai-tier, R-AERO-T, was the alternate technical coordinator. The re- sponsible NSL engineer was Mr. J. E. Ligocki. Acknowledgement and gratitude is extended to many technical groups and individuals in NASA, DOD, industry, universities, and scientiiic organizations who contributed ideas and opinions in response to the nuiiierous queries of the study group and MSFC personnel. It is not possible to list herein each individual contacted in the process of conducting this analysis. Principal agencies and offices contacted are listed below: National Aeronautics and Space Administration: NASA Headquarters, Washington, D. C. Marshall Space Flight Center, Huntsville, Alabama Manned Space Flight Center, Houston, Texas Goddard Space Flight Center, Greenbelt, Maryland Langley Research Center, Hampton, Virginia Allies Research Center, Moffett Field, California Departnient of Defense: DOD, Pentagon, Washington, D. C. U. S. Air Force, Washington, D. C. U. S. Air Force, Air Weather Service, Scott AFB, Belleville, Illinois . E nvi r 011111 ental Science Se r vic e s A dminist ration: National Environmental Satellite Center, Washington, D. C. IllstitUte lor Telecommunication Sciences and Aeronomy (ITSA), Boulder, Colorado iv Universities: Mas sacliusetts Institute of Technology, Cambridge, Mass. Uiiiver sity of W i sc onsin, Madis on, Wisconsin University of Iowa, Iowa City, Iowa University of Chicago, Chicago, Illinois Leland Stanford Jr. University, Palo Alto, California (Stanford University) . University of California, Berkley, California University of Miami, Miami, Florida Rice University, Houston, Texas Illinois Institute of Technology, Chicago, Illinois Industry: Motorola, Inc., Scottsdale, Arizona Aerospace Corporation, Los Angeles, California TRW/Systems, Palos Verdes, California Northrop Space Laboratories, Hawthorne, California Research Agencies: A rgonne National Laboratory, Argonne, Illinois Lovelace Foundation for Medical Education and Research, Albuquerque, New Mexico National Center for Atmospheric Research (NCAR), Boulder, Colorado Institute of Space Studies, New York, New York Stanford Research Institute, Menlo Park, California Illinois Institute of Technology Research Institute, Chicago, Illinois Lawrence Radiation Laboratory of the University of California, Livermore, California Stanford Linear Accelerator Center, Palo Alto, California The purpose of this report is to collect, digest, and assess the contributions received from the above organizations and, through inde- pendent analysis, evaluate the need for a space environment monitoring system and briefly develop the requirements and some possible concepts. At this time only pre-feasibility considerations are presented and it is recognized that further work in many areas, including further feasibility . analyses, must be undertaken to satisfactorily develop an intelligent system concept. Although considerable effdrt has been made to verify, check and edit the inforination and data contained in this report, the validity of the niaterial presented cannot be assured. I V TABLE OF CONTENTS S l? C 'I'ION TITLE PAGE SUMMA ItY I I. INTRODUCTION 4 11. STUDY METHODOLOGY 8 111. ANALYSIS 10 A. Need for SEMOS 10 1. Technology Needs 10 2. Role of ESSA 20 l3. Requirements of SEMOS 23 1. Cost and Schedules 23 2. Instrumentation and Data Handling 26 C. Concepts of SEMOS 29 1. AAP Utilization 29 2. Satellite Systems 38 3. Manned Space Stations 40 IV. ENVIRONMENTAL REVIEW 45 A. Environmental Description 45 1. Atniosphere 45 2. Ionosphere 46 3. Protonosphere 46 4. Solar Radiations 47 5. Solar Wind and Solar Cosmic Rays 47 6. Corpuscular Radiation 48 7. Mic roiiieteorites 53 8. Radio Noise and Interference 54 9. Geomagnetism 55 13. Monitoring Parameters 56 C. Existing Exploratory Programs 63 ~ I vi TABLE OF CONTENTS Continued SECTION TITLE PAGE V. CONCLUSIONS AND RECOMM ENMTIONS 78 A. Conclusions 'L 78 , B. Re c ommendations 79 *. APPENDIX BIBLIOGRAPHY i . vii LIST OF FIGURES FIGURE TITLE PAGE 1. POSSIDLE EVALUATION OF ENVIRONMENTAL 6 SCIENCES OBSERVATION CAPABILITY 2. METEOROLOGY NEEDS 13 3. AERONOMY AND ASTROPHYSICS NEEDS 14 4. OCEANOGRAPHY NEEDS 15 5. EARTH SCIENCES NEEDS 16 6 . MANNED SPACE FLIGHT NEEDS 17 7. 'rELECOMMUNICATION NEEDS 18 8. ATMOSPHERIC SCIENCES NEEDS 19 9. 'rASK FORCE, MANNED ENVIRONMENTAL 22 SPACE PROGRAM LO. PI<ESENT APOLLO CAPABILITY 30 11. EX'TENDED APOLLO CAPABILITY FOR EXPERIMENT 31 12. SEMOS RUOYSJN AAP PALLET AREA 34 13. POSSIBLE SEMOS BUOY CONCEPT 35 14. SEMOS SPACE BUOYS - PHASED ARRAY 39 15. CONCEPTUAL DESIGN - SEMOS SATELLITE 41 16. SPACE ENVIRONMENT INVESTIGATION - 76 CURRENTANDPLANNEDPROGRAMS viii LIST OF TABLES 'TABLE TIT LE PAGE I. ESTIMATED SAVINGS FROM LONG RANGE 25 W EA T HER F ORE CASTING 11. SPAC E C OMM UNICA TIONS SYST EMS 28 III. VAN ALLEN RADIATION BELTS 50 IV. ARTIFICJAL RADIATION BELTS 52 V. CLASSIFICATION OF SPACE MONITORING 61 PARAMETERS VI. PARAMETER COMPARISON 62 Vu[. UNMANNED SATELLITES 65 VIII. JOINT FOREIGN/U. S. PROGRAMS 66 IS. EUROPEAN SPACE RESEARCH ORGANIZATION 67 (ESRO) N. FRENCH PROGRAMS 68 XI. "EXPLORER" SERIES 69 X.U. METEOROLOGY SATELLITES 72 XILI. "OBSERVATORY" SPACECRAFT FAMILY 73 XIV. AIR FORCE PROGRAMS 75 ix SUMMARY TIIL. nc,c-rl for an Earth orbital system to continuously Illoilitor the near-Eartli and space environment and to assist in ii.otiitoritig certain aspects of the Earth's atnlosphere has been established. An understanding of the interrelationships between thc sl'ace enviroiinient and meteorological phenomena will, con- tribtitc to the developnicmt of iilonitoring and warning systems. It1 additioti, other areas such as comnlunications, reentry physics, and iurther experillientation will benefit from improved knowledge coiicei-ning the influence of the space environment on Earth's atmos - phcric cnvironnient. A Space Eiiviroiiiiient Monitoring System (SEMOS) can be ilirther scibstantiated by noting the severe technological and cconoiiiic probletiis associated with gathering data frorll the ground. The vastness of sl)ace, and the inability to sample this volume con- tintmusly with ground based systems alone, indicates the required systeni nicist supplenient ground station data with information from orbital spacecraft. The requirement that an operational space monitoring systeiii be tiianned has been suggested. Further technical and cost -effectiveness studies are necessary to demonstrate this clearly. As a trouble shooter, decision maker, and analyzer, n1an cannot be excelled by mechanical or electronic systems. 13cyond a certain level of complexity, the use of man for these functions becomes almost mandatory. Thus, it is believed at -1 - this tiilie, that the priiiiary role of iiian in a SEMOS concept will be to iiiaintain long tern1 reliability. Preliniinary concepts of SEMOS were developed and are presented in the report. It was shown that a reasonable concept is I feasible within the framework of the Apollo Applications Program -1 (AAP) leading to an advanced operational mission using Apollo hard- ware. Alternate system concepts using unmanned synchronous stitions, satellite buoys and/or rocket probes or balloons show -II iiierit at this time. In general, a clear distinction between an opera- tional Ilionitoring system and a scientific experiment system was not apparent during the study. Considerable analysis is necessary before an intelligent SEMOS concept and its place in the national space prograrii can be proposed. Preliiiiinary work toward
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