Satellite Communication Questions

• India's Polar Satellite Launch vehicle (PSLV) to be ready in 1991 is designed to launch 1000 kg spacecraft into __________ orbit.
• Geosynchronous communication satellites travel around the earth in circular orbits with a forward speed of about __________ km/h.
• Phase modulation is commonly-used for data transmission mainly because
• When a communication satellite passes into Earth's shadow, its temperature drops to about __________ ° K.
• Point out the false statement. Launching of geostationary experimental communication satellite has helped India to gain experience in
• APPLE was into orbit on 19 th June 1981 by European Space Agency (ESA) from
• Master control facility (MCF) for INSAT-2 series satellites is located at
• A telephone user while talking to a person via a satellite has to wait for reply for about __________ millisecond.
• In the context of error detection in satellite transmission, ARQ stands for
• Depending on the technique used, digitized television requires a bit rate between __________ millions.
• Space communication links are being increasingly moved into Ka-band (200-30 GHz) because it