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Observation of an antenna-plasma instabilityThis paper investigates the conditions leading to, and the causes of, the phenomenon observed during a rocket flight (to 585-km altitude) of an occasionally occurring narrow-band signal on an electric antenna whose frequency was found to vary as the rocket turned. The amplitude also varied by a factor larger than can be explained by variable coupling to the plasma; maximum oscillation amplitude occurred when the antenna was aligned with the earth's magnetic field. A tentative explanation of this phenomenon is given, suggesting that the signals on the antenna were caused by an interacton of the flowing plasma with sheath waves around the antenna.
Document ID
19900049905
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kellogg, P. J.
(Minnesota Univ. Minneapolis, MN, United States)
Monson, S. J.
(Minnesota, University Minneapolis, United States)
Whalen, Brian A.
(National Research Council of Canada Herzberg Institute of Astrophysics, Ottawa, United States)
Date Acquired
August 14, 2013
Publication Date
June 1, 1990
Publication Information
Publication: Journal of Geophysical Research
Volume: 95
ISSN: 0148-0227
Subject Category
Plasma Physics
Accession Number
90A36960
Funding Number(s)
CONTRACT_GRANT: NOAA-NA-79RAC0051
CONTRACT_GRANT: NAS5-28574
Distribution Limits
Public
Copyright
Other

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