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Investigations of the lower ionosphere over Antarctica via ELF-VLF radiowaves

Published online by Cambridge University Press:  12 May 2004

A. E. Reznikov ,
A. I. Sukhorukov ,
D. E. Edemskii ,
V. V. Kopeikin ,
P. A. Morozov ,
B. S. Ryabov ,
A. Yu. Shchekotov  and
V. V. Solov'Ev
A. E. Reznikov
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
A. I. Sukhorukov
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
D. E. Edemskii
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
V. V. Kopeikin
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
P. A. Morozov
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
B. S. Ryabov
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
A. Yu. Shchekotov
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
V. V. Solov'Ev
Affiliation:
Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation (IZMIRAN), 142092 Troitsk, Moscow region, Russia
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Abstract

The paper discusses ELF-VLF investigations of the low Antarctic ionosphere. Two new methods of lower ionospheric diagnostics are based on an investigation of the VLF electromagnetic field structure in the Earth-ionosphere cavity. One method deals with the analysis of local transverse cavity resonances in the near field of an emitter (a horizontal antenna) with a frequency (~1.5-8 kHz) in the range of the first few resonances. The other method, based on tweek investigations, is applicable under night conditions and enables the characteristics of the low ionosphere to be determined over a signal propagation path. The use of the ELF-VLF transmitter at Siple Station provides a unique opportunity to implement these methods, as does the ELF multipoint recording in the Schumann resonance band of atmospherics excited by powerful lightning discharges.

Keywords

earth-ionosphere waveguideELF-VLF diagnosticsSiple Stationtransverse resonancesSchumann resonancesatmospherics
Type
Papers—Atmospheric Sciences
Information
Antarctic Science , Volume 5 , Issue 1 , March 1993 , pp. 107 - 113
Copyright
© Antarctic Science Ltd 1993

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