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- Title
Backscattering of radio waves by artificial irregularities of plasma in the lower ionosphere.
- Authors
Bakhmet'eva, N.; Belikovich, V.; Vyakhirev, V.; Frolov, V.; Kalinina, E.
- Abstract
We present the results of the experiments on studying the mechanism of the appearance of artificial disturbances at the altitudes of the E region when a high-power wave is reflected in the ionospheric F layer. The ionosphere was disturbed for a few minutes by a high-power o-mode radio wave radiated by the transmitters of the 'Sura' facility at frequencies 4.3 or 4.7 MHz. The disturbed region was sounded using a partial-reflection setup at a frequency of 2.95 MHz. The influence of the artificial disturbance on the probing signal at altitudes lower than the height of reflection of a high-power wave at 40-100 km was recorded on the basis of measurements of the altitude-time characteristics of the probing-signal amplitude. Possible mechanisms of the influence of the disturbance in the lower ionosphere on the probing radio waves are discussed.
- Subjects
RADIO wave scattering; BACKSCATTERING; PLASMA gases; IONOSPHERE; E region (Ionosphere); RADIO frequency; RADIO transmitter-receivers
- Publication
Radiophysics & Quantum Electronics, 2010, Vol 53, Issue 5/6, p305
- ISSN
0033-8443
- Publication type
Article
- DOI
10.1007/s11141-010-9229-5