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On the variability of sporadic E
Author(s) -
Paul Adolf K.
Publication year - 1990
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs025i001p00049
Subject(s) - electron density , variation (astronomy) , ionogram , sporadic e propagation , ionosphere , computational physics , angle of arrival , geodesy , electron , physics , geology , geophysics , astrophysics , computer science , telecommunications , quantum mechanics , antenna (radio)
The analysis of digital ionograms taken in short‐time intervals shows rapid changes of sporadic E parameters. This is directly visible in the variation of the top frequency or maximum electron density of such layers. Angle of arrival data which were available with those ionograms also showed fast changes of the apparent direction and often large deviations from vertical propagation.