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There are a total of 175 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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A feature of the behavior of He// in the nightside high-latitude ionosphere during equinox
Author(s): Heelis, R. A.; Hanson, W. B.; Murphy, J. A.
Abstract: Observations of a hole of ionization in the nightside high-latitude ionosphere during equinox in which He() plays an important role in the relative abundance of the ionic constituents are reported. Ion abundance data were ...
NASA Center: NASA (non Center Specific)
Publication Year: 1981
Added to NTRS: 2004-11-03
Accession Number: 81A22907; Document ID: 19810038503
The Atmosphere Explorer mission.
Author(s): Dalgarno, A.; Hanson, W. B.; Spencer, N. W.; Schmerling, E. R.
Abstract: Summary of the general scientific objectives of the Atmosphere Explorer (AE) mission. The overall purpose of the AE mission is shown to be the performance of simultaneous measurements needed for cause and effect studies that ...
NASA Center: Goddard Space Flight Center
Publication Year: 1973
Added to NTRS: 2004-11-03
Accession Number: 73A28626; Document ID: 19730043824
Magnetic deflection ion mass spectrometer experiment for atmosphere explorer
Author(s): Hoffman, J. H.; Hanson, W. B.
Abstract: The magnetic ion mass spectrometer was carried aboard Atmosphere Explorer C and Atmosphere Explorer D. The instrument measures the relative abundance of ionic species with very high sensitivity and very high mass resolution. ...
NASA Center: NASA (non Center Specific)
Publication Year: 1982
Added to NTRS: 2004-11-03
Accession Number: 83N33396; Document ID: 19830025125; Report Number: NAS 1.26:170560, NASA-CR-170560
Ion sputtering from satellite surfaces
Author(s): Hanson, W. B.; Sanatani, S.; Hoffman, J. H.
Abstract: The manifestations of the induced surface currents as observed by the magnetic ion mass spectrometer (MIMS) and retarding potential analyzer (RPA) instruments on AE-C and AE-D are described. Data from these instruments are ...
NASA Center: NASA (non Center Specific)
Publication Year: 1981
Added to NTRS: 2004-11-03
Accession Number: 82A16876; Document ID: 19820033341
Distributions of nighttime F-region molecular ion concentrations and 6300-A nightglow morphology
Author(s): Brasher, W. E.; Hanson, W. B.
Abstract: Nighttime F region molecular ion concentrations of oxygen and nobelium and associated nightglow morphology, using numerical method for solving nonlinear equations
NASA Center: NASA (non Center Specific)
Publication Year: 1970
Added to NTRS: 2004-11-03
Accession Number: 71A11611; Document ID: 19710030914
Plasma injection and transport in the mid-altitude polar cusp
Author(s): Burch, J. L.; Reiff, P. H.; Heelis, R. A.; Hanson, W. B.; Winningham, J. D.; Gurgiolo, C.; Menietti, J. D.; Barfield, J. N.; Hoffman, R. A.
Abstract: DE-1 hot plasma observations in the mid-altitude polar cusp have shown evidence of a significant velocity filtering phenomenon which is consistent with a latitudinally narrow region of plasma injection located at a ...
NASA Center: Goddard Space Flight Center
Publication Year: 1982
Added to NTRS: 2004-11-03
Accession Number: 82A44828; Document ID: 19820061293; Report Number: AD-A121705, AFGL-TR-82-0336
Direct in situ measurements of thermospheric temperature
Author(s): Kayser, D. C.; Nier, A. O.; Breig, E. L.; Power, R. A.; Hanson, W. B.
Abstract: The open source neutral mass spectrometer on the Atmosphere Explorer satellites used for direct in situ measurements of the neutral gas temperature by means of the 'fly-through' mode of operation is evaluated. The derived ...
NASA Center: NASA (non Center Specific)
Publication Year: 1979
Added to NTRS: 2004-11-03
Accession Number: 79A48348; Document ID: 19790064335
The Retarding Potential Analyzer for Dynamics Explorer-B
Author(s): Hanson, W. B.; Heelis, R. A.; Power, R. A.; Lippincott, C. R.; Zuccaro, D. R.; Holt, B. J.; Harmon, L. H.; Sanatani, S.
Abstract: The Retarding Potential Analyzer for Dynamics Explorer B measures the bulk ion velocity in the direction of the spacecraft motion, the constituent ion concentrations and the ion temperature along the satellite path. These ...
NASA Center: NASA (non Center Specific)
Publication Year: 1981
Added to NTRS: 2004-11-03
Accession Number: 82A16443; Document ID: 19820032908
Electric field observations of equatorial bubbles
Author(s): Aggson, T. L.; Maynard, N. C.; Hanson, W. B.; Saba, Jack L.
Abstract: Results from the double floating probe experiment performed on the San Marco D satellite are presented, with emphasis on the observation of large incremental changes in the convective electric field vector at the boundary of ...
NASA Center: Goddard Space Flight Center
Publication Year: 1992
Added to NTRS: 2004-11-03
Accession Number: 92A28091; Document ID: 19920045467
Electric fields and electrostatic potentials in the high latitude ionosphere
Author(s): Banks, P. M.; Saint Maurice, J.-P.; Heelis, R. A.; Hanson, W. B.
Abstract: Recent interpretive studies of electric field-driven ionospheric plasma convection data from the AE-C satellite are described, where the instruments employed include an ion drift meter and an ion-retarding potential ...
NASA Center: NASA (non Center Specific)
Publication Year: 1981
Added to NTRS: 2004-11-03
Accession Number: 82A24274; Document ID: 19820040739
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