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The Electron Content of the Ionosphere in Winter

Journal Article · · Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences
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Observations at two closely spaced frequencies of the Faraday rotation of moon-reflected radio waves are described. These measurements provided accurate values for the total electron content of the ionosphere for many hours on successive days. The observations reported span a period of one month during the winter of 1960. Shortperiod fluctuations of the total electron content were observed. These were of about 2 to 3% in amplitude and occurred chiefly during the day-time. The gross shape of the F2 region as determined by the ratio of the number of electrons above the F2 peak to the number below was roughly constant during the day, but showed a wide scatter of values at night. The scale height of the ionizable constituent at the F2 peak was found to be about the same as that of the neutral particles during the day, indicating almost complete mixing. At night, the scale height of the ionizable constituent appeared to increase with the planetary magnetic index Kp. It is not possible to say if this was the result of heating of the region or the consequence of electrodynamic drifts.
Research Organization:
Univ. of Manchester, Eng.
Sponsoring Organization:
USDOE
NSA Number:
NSA-15-031484
OSTI ID:
4839740
Journal Information:
Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences, Journal Name: Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences Journal Issue: 1313 Vol. 263; ISSN 1364-5021
Publisher:
The Royal Society Publishing
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ELECTRODYNAMICS
ELECTRONS
F-LAYER
FARADAY ROTATION
FREQUENCY
GEOPHYSICS
HEATING
IONIZATION
IONOSPHERE
MAGNETIC FIELDS
MEASURED VALUES
MIXING
MOON
MOTION
PHYSICS
POLARIZATION
RADIO WAVES
REFLECTION
ROTATION
SPACE
VARIATIONS