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Upward looking workhorse sentinel TRDI ADCP 150 KHz used for July 2014 to July 2015
Upward looking workhorse sentinel TRDI ADCP 300 KHz used thereon from July 2015 till date
Yearly maintenance check is done by NIOT
3 samples per hour (20 min each sample) from July 2014 to July 2017
1 sample per hour from July 2017 till date