Investigation of the peculiarities of artificial electromagnetic signal propagation at high latitudes in the range 0.1-10 Hz

Details Investigation of the peculiarities of artificial electromagnetic signal propagation at high latitudes in the range 0.1-10 Hz Investigation of the peculiarities of artificial electromagnetic signal propagation at high latitudes in the range 0.1-10 Hz

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ge%26ae..50..632t&link_type=abstract

Geomagnetism and Aeronomy, Volume 50, Issue 5, pp.632-642

Computer Science

Scientific paper

The results of measurements of the artificial electromagnetic signal in the range 0.1-10 Hz on the Spitsbergen archipelago are presented in this paper. The signal was emitted by a horizontal antenna located on the Kola Peninsula. Resonance spectra structures (RSSs) caused by the influence of the ionospheric Alfvén resonator (IAR) were found in the artificial signal. The calculations of the field performed using the method of a two-dimensional telegraph equation for an anisotropic inhomogeneous model of the ionosphere allowed us to explain the main properties of the observed artificial RSS signal. Special attention was focused on the choice of the ionospheric model and calculation of the reflection coefficient for a plane wave normally incident on the ionosphere. The needed profiles of the ionospheric parameters were selected on the basis of the Upper Atmosphere Model (UAM) and IRI2007 model, while the atmospheric parameters were specified on the basis of MSIS-E-90. The advantages of the UAM model compared with the IRI for the description of the experimental results in a high-latitude region are shown in the paper.

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