Space correction of global models of electron number density in the ionosphere by receiving at one site signals from low-orbit satellites

Pushin, V. F.; Fedorenko, V. N.; Fedorenko, Yu. P.; Tyrnov, O. F.; Шагимуратов, И. И.

doi:10.1016/s1464-1917(99)00015-x

Physics and Chemistry of the Earth, Part C: Solar, Terrestrial

1999

DOI: 10.1016/s1464-1917(99)00015-x

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Space correction of global models of electron number density in the ionosphere by receiving at one site signals from low-orbit satellites

V. F. Pushin

V. N. Fedorenko

Yu. P. Fedorenko

et al.

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Dependence of spatial periods of travelling ionospheric disturbances on their relative amplitudes

Fedorenko¹

2020

Kosm. nauka tehnol.

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The relationship between the horizontal spatial period L and the relative amplitude Ad of traveling ionospheric disturbances (TID) at various levels of solar (SA) and geomagnetic (GA) activity is experimentally studied. In the vast majority of cases, the TIDs observed during our study were generated by high-latitude sources. It was found that the period L and amplitude Ad of the medium-scale (MS) TIDs (L = 100 – 800 km) are related by a linear dependence, which does not depend upon the SA level. For large-scale (LS) TID with L = 1000 – 4000 km, the linear approximation of the function L(Ad) at low and high SA levels are increasing or decreasing functions, respectively. For global-scale (GM) TIDs with L = 5000 – 35000 km at low SA levels, the linear approximation L(Ad) is an increasing function. The function L(Ad) for TIDs of all spatial scales does not depend upon the GA level. The data were collected at the radio-physical observatory of V. N. Karazin Kharkiv National University (j = 49.63°N, l = 36.32°E) in 1999—2010 with the ionosphere radio sounding by using coherent radio waves at frequencies of about 150 and 400 MHz radiated by low-orbit navigation satellites Parus and Cicada orbiting at circular near-polar orbit with a height of about 1000 km. The experimental dependence of the horizontal period L of TID upon their relative amplitude Ad is explained based on the global prognostic semi-empirical model of the generation and propagation of acoustic-gravitational waves and traveling ionospheric disturbances.

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Dependence of spatial periods of travelling ionospheric disturbances on their relative amplitudes

Fedorenko¹

2020

Kosm. nauka tehnol.

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Space correction of global models of electron number density in the ionosphere by receiving at one site signals from low-orbit satellites

Cited by 1 publication

References 2 publications

Dependence of spatial periods of travelling ionospheric disturbances on their relative amplitudes

Dependence of spatial periods of travelling ionospheric disturbances on their relative amplitudes

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