Ionosonde

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A ionosonde, or chirpsounder, is a special radar for the examinatation of the ionosphere. An ionosonde is a shortwave transmitter tunable through the whole shortwave range, which transmits on various shortwave frequencies pulses, whose echos are analyzed by the means of radar.

An ionosonde is used for finding the best frequency for finding operation frequencies in the shortwave range. In Germany there is an ionosonde at Juliusruh.

[edit] List of Ionosondes

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