Abstract
Measurements of calibration parameters of sodars normally require either a high mast, a tethered balloon and calm weather, or a very large anechoic chamber for precise results. A simple method for the measurement of calibration parameters using a normal size anechoic chamber and a theoretical antenna directivity pattern is suggested. The method has been used for the two sodars belonging to the Institute of Atmospheric Physics, Moscow (Sodar LATAN-1) and the National Physical Laboratory, New Delhi. The calibrated sodar parameters determined for the Russian Sodar LATAN-1 have also been used to obtain values of the temperature structure parameter CT2 which have been found to be comparable with the simultaneously measured in situ microthermal values of CT2.
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