Journal of Physics Research
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Research from T.L. Gulyaeva and colleagues provide new insights into geophysics
April 28th, 2008
According to recent research from Russia, "A techique for filling the gaps of the missing F2-layer critical frequency is proposed and applied for the derivation of the ionospheric weather index, characterizing the degree of disturbance at each particular station. A daily-hourly analysis of ionosonde observations of foF2 for 16 stations at latitude range 37 degrees to 70 degrees N, longitudes of 10 degrees W to 150 degrees E, is performed during the solar minimum, 2006."
"Missed ionosonde observations are reconstructed by cloning data of another station. The process of gap filling considers hourly values of the F peak density NmF2 (deduced from foF2), normalized to the...
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Source: Journal of Physics Research (2008-04-28)