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Multiple satellite observations of pulsation resonance structure in the magnetosphereData from two intervals when pulsation activity was simultaneously observed on both ATS 1 and Ogo 5 satellites are presented. The first example, a Pc 4, indicates that this pulsation is caused by a field line near L = 7 resonating in its second-harmonic mode. This is inferred from both plasma density measurements and polarization characteristics. The wave was not observed at three ground stations in the vicinity of the satellite conjugate points. This indicates that Pc 4 waves are very localized in latitude and that a close array (less than 100 km) is needed to perform effective correlation with satellites. The second event, which is also in the Pc 4 band, can again be inferred to be a field line resonance from the polarization characteristics
Document ID
19770040353
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hughes, W. J.
(California Univ. Los Angeles, CA, United States)
Mcpherron, R. L.
(California Univ. Los Angeles, CA, United States)
Russell, C. T.
(California, University Los Angeles, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
February 1, 1977
Publication Information
Publication: Journal of Geophysical Research
Volume: 82
Subject Category
Geophysics
Accession Number
77A23205
Funding Number(s)
CONTRACT_GRANT: NGL-05-007-004
CONTRACT_GRANT: LC90A4330F
CONTRACT_GRANT: NAS5-11674
Distribution Limits
Public
Copyright
Other

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