Physics
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jatp...44..875r&link_type=abstract
Journal of Atmospheric and Terrestrial Physics, vol. 44, Oct. 1982, p. 875-877, 879-887.
Physics
6
Auroral Zones, Ionospheric Propagation, Radio Signals, Scintillation, E Region, F Region, Ionospheric Conductivity, Night Sky, Spacecraft Communication, Ultrahigh Frequencies, Very High Frequencies
Scientific paper
Observational data are reviewed that pertain to a prominent nighttime enhancement of auroral-zone scintillation in VHF and UHF satellite signals at the point where the propagation vector lies within the plane of the local L shell. Experimental results that have been used to define the source region are examined, along with theories advanced to explain the occurrence and structure of the F-region irregularity responsible for the enhancement. It is concluded that soft-particle precipitation, convective plasma instabilities, E-layer conductivity, and the high-latitude current-convection pattern play important roles in controlling the detailed morphology of high-latitude F-region irregularities.
Rino C. L.
Vickrey James F.
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