We present the results of experimental studies of artificial large-scale irregularities of the ionospheric electron number density with dual-frequency GPS diagnosis. The total electron content was analyzed in the GPS signal trajectory when the satellites passed over the heated region. Spectral composition of the observed variations was determined by wavelet analysis. Characteristic scales of artificial irregularities of the electron number density in the F layer are estimated. It is experimentally proved that the irregularities remain for at least 15–20 min after the transmitter is switched off. A more confident excitation and increased intensity of the irregularities were also confirmed when the beam was inclined south of the magnetic-zenith direction.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 54, No. 7, pp. 485–496, July 2011.
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Ryabov, A.V., Grach, S.M., Shindin, A. et al. Studying characteristics of the large-scale ionospheric irregularities induced by high-power HF radio emission with GPS diagnosis. Radiophys Quantum El 54, 441–451 (2011). https://doi.org/10.1007/s11141-011-9304-6
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DOI: https://doi.org/10.1007/s11141-011-9304-6