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Atmospheric Acoustic Minisounder

D. N. AsimakopoulosDept, of Applied Physics, University of Athens, 106 80 Athens, Greece

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C. G. HelmisDept, of Applied Physics, University of Athens, 106 80 Athens, Greece

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G. J. StephanouDept, of Applied Physics, University of Athens, 106 80 Athens, Greece

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Abstract

An improved version of a monostatic acoustic minisounder for the investigation of the structure and dynamics of the lower boundary layer, operating at high frequencies and equipped with a specially designed micro-antenna and advanced electronic circuits, is presented. This minisounder is shown to be capable of high resolution of less than 0.7 m and a minimum discernable height of less than a meter above ground. Examples of facsimile records under both convective and stable conditions obtained by the improved minisounder are given to demonstrate its capabilities.

Abstract

An improved version of a monostatic acoustic minisounder for the investigation of the structure and dynamics of the lower boundary layer, operating at high frequencies and equipped with a specially designed micro-antenna and advanced electronic circuits, is presented. This minisounder is shown to be capable of high resolution of less than 0.7 m and a minimum discernable height of less than a meter above ground. Examples of facsimile records under both convective and stable conditions obtained by the improved minisounder are given to demonstrate its capabilities.

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