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Authors: Altadill, D.* 
Lastovicka, J.* 
Title: Quasi-five- and ten-day oscillations in f0F2 and their possible connection with oscillations at lower ionospheric heights
Issue Date: Aug-1996
Series/Report no.: 4/39 (1996)
Keywords: upper ionosphere
5 and 10 day oscillations
Subject Classification01. Atmosphere::01.02. Ionosphere::01.02.99. General or miscellaneous 
Abstract: The statistical analysis of the 5-day and 10-day oscillations inferred in the upper and lower ionosphere in Central Europe from f0F2 measured in Pruhonice and the radio wave absorption in the lower ionosphere shows a remarkable degree of similarity for relative amplitudes of oscillations (not for absolute amplitudes). The relative amplitudes in both regions do not express a significant solar cycle effect and their seasonal variation is also similar except for winter. The typical relative amplitude of both 5- and 10-day oscillations in the F2-region is about 4%, which is useful information for PRIME.
Appears in Collections:Annals of Geophysics

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