Ionosonde

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  • Ionosonde
definition
  • A sounder operating in the high frequency (HF) band to probe ionospheric plasma by detecting multiple specular reflections of the transmitted signal propagating via different modes from different areas in the plasma.
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Abstract from DBPedia
    An ionosonde, or chirpsounder, is a special radar for the examination of the ionosphere. The basic ionosonde technology was invented in 1925 by Gregory Breit and Merle A. Tuve and further developed in the late 1920s by a number of prominent physicists, including Edward Victor Appleton. The term ionosphere and hence, the etymology of its derivatives, was proposed by Robert Watson-Watt.

    (Source: http://dbpedia.org/resource/Ionosonde)