GEOPHYSICS

On large-scale zones of the anomalies in the ionosphere $\mathrm{F}$-layer

G. V. Givishvili, G. S. Ivanov-Kholodnyi, N. A. Kochenova, Yu. V. Kushnerevskii, L. N. Leshchenko, V. V. Migulin, E. V. Nepomnyashchaya, M. D. Fligel

Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences, Troitsk, Moskovskaya obl.

UDC: 550.388

Received: 21.04.1986