IRS-P4, DLR-Tubsat, & Kitsat-3

Kitsat-3 was a South Korean remote sensing minisatellite that carried MEIS (Multispectral Earth Imaging System) and SENSE (Space ENvironment Scientific Experiment) instruments to Low Earth orbit.

DLR-Tubsat (aka TUBSAT) was a German remote-sensing microsatellite, developed in a joint venture between the Technical University of Berlin (TUB) and the German Aerospace Center (DLR). TUB was responsible for the satellite bus and DLR was responsible for the payload.

OceanSat-1 or IRS-P4 is the first Indian satellite built specifically for Ocean applications. It is a part of the Indian Remote Sensing satellite series. The satellite carried an Ocean Colour Monitor (OCM) and a Multi-frequency Scanning Microwave Radiometer (MSMR) for oceanographic studies.