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P78 2 Scatha Preliminary Data Atlas
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Book Synopsis P78-2 SCATHA Preliminary Data Atlas by : E. G. Mullen
Download or read book P78-2 SCATHA Preliminary Data Atlas written by E. G. Mullen and published by . This book was released on 1980 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: A preliminary study of the 100 eV to approx. 1 MeV plasma environment encountered by the P78-2 Spacecraft Charging at High Altitudes (SCATHA) satellite during its initial operation period was conducted. Forty-four days of 10-min averages of the four moments of the electron and ion distribution functions calculated from the SC5 and SC9 energetic particle measurements were analyzed to determine occurrence frequency, local time variation, geomagnetic activity variation, and L-shell variation. The single and double Maxwellian parameters derived from the four moments were similarly analyzed. The interrelationships between the moments and derived parameters were computed and the results compared with the ATS-5 and ATS-6 atlas of Garrett et al (1980). Results of this analysis establish a baseline range for the SCATHA plasma environment.
Book Synopsis SCATHA Atlas Data Base by : E. G. Mullen
Download or read book SCATHA Atlas Data Base written by E. G. Mullen and published by . This book was released on 1989 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study of the plasma environment encountered by the P78-2 Spacecraft Charging At High Altitudes (SCATHA) satellite during its operation between March 1979 and June 1980 was conducted and reported in the SCATHA Environmental Atlas (AFGL-TR-84-0002). Summary plots of much of the data used in the Atlas are presented in two volumes. The first volume contains magnetic field data and spacecraft frame potential data. The second volume contains low and medium energy range electron and ion data, medium energy range ion composition data and high energy electron data. The data are presented in 24-hour plots.
Book Synopsis SCATHA Environmental Atlas by : E. G. Mullen
Download or read book SCATHA Environmental Atlas written by E. G. Mullen and published by . This book was released on 1983 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Bases and Data Base Systems Related to NASA's Aerospace Program by :
Download or read book Data Bases and Data Base Systems Related to NASA's Aerospace Program written by and published by . This book was released on 1983 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology for Large Space Systems by :
Download or read book Technology for Large Space Systems written by and published by . This book was released on 1980 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Real Time, Automatic Vehicle Potential Determination from ESA Measurements by : Stanley L. Spiegel
Download or read book Real Time, Automatic Vehicle Potential Determination from ESA Measurements written by Stanley L. Spiegel and published by . This book was released on 1985 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of spacecraft charging at high altitudes is an important one for Air Force applications; indeed a major effort (SCATHA Project) has been undertaken to understand this phenomenon. Quite simply, when a space vehicle at geosynchronous orbit, interacting with its plasma environment, acquires a high negative potential (of the order of 1/2 kV), it is possible that onboard instrumentation will be damaged by electrical discharge between differentially charged surfaces of the spacecraft. Thus it is important to activate a discharge mechanism as soon as a dangerously high potential develops. This means it is necessay to have a reliable method of determining the real time vehicle potential, or more specifically, distinguishing whether or not the potential has reached or exceeded critical levels. An algorithm incorporating an onboard microprocessor to analyze data obtained by the vehicle, and determine the extent of charging, is desirable. Computational simplicity and speed are important considerations in the design of such an algorithm. Examination of data from the P78-2 satellite has indicated that electrostatic analyzer (ESA) ion count data, could serve as input to an algorithm designed to fulfill the aforementioned objectives. The development and testing of one such algorithm, referred to as the count ration algorithm, are described.
Download or read book Environmental Research Papers written by and published by . This book was released on with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1982 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Real Time, Automatic Vehicle Potential Determination from ESA Measurements by :
Download or read book Real Time, Automatic Vehicle Potential Determination from ESA Measurements written by and published by . This book was released on 1985 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis R & D Abstracts by : Technology Reports Centre (Great Britain)
Download or read book R & D Abstracts written by Technology Reports Centre (Great Britain) and published by . This book was released on 1981 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Bases and Data Base Systems, Related to NASA's Aerospace Program by :
Download or read book Data Bases and Data Base Systems, Related to NASA's Aerospace Program written by and published by . This book was released on 1983 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch Publisher : ISBN 13 : Total Pages :184 pages Book Rating :4.:/5 (31 download)
Book Synopsis Data Bases and Data Base Systems Related to NASA's Aerospace Program by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
Download or read book Data Bases and Data Base Systems Related to NASA's Aerospace Program written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch and published by . This book was released on 1983 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1981 with total page 1192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis 34th Aerospace Sciences Meeting & Exhibit by :
Download or read book 34th Aerospace Sciences Meeting & Exhibit written by and published by . This book was released on 1996 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Geophysics and Space Environments by : U.S. Air Force Geophysics Laboratory
Download or read book Handbook of Geophysics and Space Environments written by U.S. Air Force Geophysics Laboratory and published by . This book was released on 1985 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wescon ... Conference Proceedings by :
Download or read book Wescon ... Conference Proceedings written by and published by . This book was released on 1996 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
