The detectability of ducted echoes in the magnetosphere

Details The detectability of ducted echoes in the magnetosphere The detectability of ducted echoes in the magnetosphere

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.1609c&link_type=abstract

Journal of Geophysical Research, vol. 86, Mar. 1, 1981, p. 1609-1612.

Computer Science

Sound

8

Atmospheric Sounding, Magnetospheric Instability, Plasma Density, Radio Echoes, Space Plasmas, Ionospheric Propagation, Nonthermal Radiation, Radio Wave Refraction, Wave Propagation, Whistlers

Scientific paper

Elongated plasma density irregularities in the magnetosphere could guide extraordinary mode waves from a satellite and produce detectable ducted echoes. The ducted waves are undamped and immune to spatial attenuation. For instance, a 10% depletion 100 km wide is sufficient for echoes 10-30 dB above nonthermal continuum, regardless of the distance. The remote measurement of plasma density and magnetic field structure in the magnetosphere would be practical using such echoes

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