Stimulated ionization of the upper ionosphere by an intense radio wave
Vas'kov V. V., Golyan S. F., Gruzdev Yu. V., Gurevich A. V., Dimant Ya. S., Kim V. Yu., Lobachevskii L. A., Migulin V. V., Panchenko V. A., Petrov M. S., Polimatidi V. P., Sitnikov V. I., Shoya L. D., Shlyuger I. S., Yurin K. I.
An artificial increase in the electron density has been observed in the ionospheric F layer. The increase is caused by an enhancement of the ionizing effectiveness of photoelectrons in an intense radio wave.