During eleventh Antarctic Expedition in Nov. 1991/March 1992 ____ was installed.
SODAR (SOnic Detection And Ranging)
Second Permanent Station 'Maitree'
First permanent station 'Dakshin Gangotri'
None of the above
Second Permanent Station 'Maitree'
First permanent station 'Dakshin Gangotri'
None of the above




