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Simultaneous small and large scale irregularities in the ionospheric F region

THE study of scintillation-producing irregularities over Australasia indicates a continuous spectrum of scale sizes of ionisation clouds 1 . Amplitude scintillations are most sensitive to small scale irregularities, peaking at 1 km transverse to the magnetic field 1,2 . The presence of large scale i...

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Published in:Nature (London) 1976-01, Vol.259 (5538), p.35-36
Main Authors: HAJKOWICZ, L. A, JONES, K. L, NOWLAND, W. L
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Language:English
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description THE study of scintillation-producing irregularities over Australasia indicates a continuous spectrum of scale sizes of ionisation clouds 1 . Amplitude scintillations are most sensitive to small scale irregularities, peaking at 1 km transverse to the magnetic field 1,2 . The presence of large scale irregularities could be detected from the measurements of total electron content (TEC), using the Faraday rotation or dispersive-Doppler technique, on v.h.f./u.h.f. transmissions from satellites orbiting the Earth. There is considerable evidence of large wave structures in the F region; the wavelength and period of large ionospheric disturbances are similar to those of large scale gravity waves 3,4 .
doi_str_mv 10.1038/259035a0
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subjects Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
title Simultaneous small and large scale irregularities in the ionospheric F region
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