During eleventh Antarctic Expedition in Nov. 1991/March 1992 ____ was installed.
Options
A. SODAR (SOnic Detection And Ranging)
B. Second Permanent Station 'Maitree'
C. First permanent station 'Dakshin Gangotri'
D. None of the above
Correct Answer
SODAR (SOnic Detection And Ranging)
Explanation
SODAR (SOnic Detection And Ranging), also written as sodar, is a meteorological instrument also known as a wind profiler which measures the scattering of sound waves by atmospheric turbulence.
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