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Launch Date
19.06.1981
APPLE was used for nearly two years to carry out extensive experiments on time, frequency and code division multiple access systems, radio networking computer inter connect, random access and pockets witching experiments.

Mission Experimental geostationary communication
Weight 670 kg
Onboard Power
210 Watts
Communication VHF and C-band
Stabilization Three axis stabilized (biased momentum) with Momentum Wheels, Torquers &  Hydrazine based Reaction control system
Payload C - band transponders (Two)
Launch Date June19,1981
Launch Site Kourou (CSG), French Guyana
Launch Vehicle Ariane -1(V-3)
Orbit Geosynchronous (102 deg. E  longitude, over Indonesia)
Inclination Near zero
Mission life Two years
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