1981 ರಲ್ಲಿ, ಇಸ್ರೋ ಭಾರತದ ಮೊದಲ ಭೂಸ್ಥಿರ ಉಪಗ್ರಹವನ್ನು ಉಡಾಯಿಸಿತು, ಅದರ ಹೆಸರೇನು?

APPLE (Ariane Passenger Payload Experiment), launched on 19 June 1981 by an Ariane rocket from French Guiana, was ISRO's first experimental geostationary communication satellite. Aryabhata (1975) was India's first satellite, and the Bhaskara satellites were for Earth observation.