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Direction finding measurements of auroral kilometric radiationDirection finding measurements with plasma wave experiments onboard the Hawkeye-1 and IMP-8 satellites were used to locate the source region of auroral kilometric radiation. The radiation exhibits peak intensities between about 100 kHz and 300 kHz, and emits intense sporadic bursts lasting for between one half hour to several hours. The total power emitted in this frequency range exceeds 10 to the 9th power watts at peak intensity. The occurrence of the radiation is known to be closely associated with bright auroral arcs which occur in the local evening auroral regions.
Document ID
19750003817
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Kurth, W. S. (Iowa Univ. Iowa City, IA, United States)
Baumback, M. M. (Iowa Univ. Iowa City, IA, United States)
Gurnett, D. A. (Iowa Univ. Iowa City, IA, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1974
Subject Category
Space Radiation
Report/Patent Number
U-OF-IOWA-74-35
NASA-CR-140766
Accession Number
75N11889
Funding Number(s)
CONTRACT_GRANT: NAS1-13129
CONTRACT_GRANT: N00014-68-A-0196-0009
CONTRACT_GRANT: NGL-16-001-043
CONTRACT_GRANT: NAS5-11431
CONTRACT_GRANT: NAS1-11257
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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