OceanSat-1 or IRS-P4 is the first Indian satellite primarily built for Ocean applications. It is a part of the Indian Remote Sensing satellite series. Oceansat-1 was launched by ISRO's PSLV-C2 along with German DLR-Tubsat and South Korean KitSat 3 on 26 May 1999 from the First Launch Pad of Satish Dhawan Space Centre in Sriharikota, India. It was the third successful launch of PSLV. Read more