IZMIRAN - Ionospheric weather: Ionospheric foF2 critical frequency

	Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation Russian Academy of Sciences ( founded in 1939 )
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	Ionospheric weather: Ionospheric foF2 critical frequency
	Ionospheric foF2 critical frequency Select the parameters you are interested in Data of source stations Current month Previous month Data at magnetic conjugate points Current month Previous month Reconstructed foF2 values are marked with _ or / .