UNIT I : Satellite Orbits Kepler's Laws, Newton's law, orbital parameters, orbital perturbations, station keeping, geo stationary and non Geo-stationary orbits, Look Angle Determination - Limits of visibility - eclipse-sub satellite point, Sun transit outage - Launching Procedures - launch vehicles and propulsion. (Chapter - 1) UNIT II : Space Segment Spacecraft Technology - Structure, Primary power, Attitude and Orbit control, Thermal control and Propulsion, communication Payload and supporting subsystems, Telemetry, Tracking and command - Transponders - The Antenna Subsystem. (Chapter - 2) UNIT III : Satellite Link Design Basic link analysis, Interference analysis, Rain induced attenuation and interference, Ionospheric characteristics, Link Design with and without frequency reuse. (Chapter - 3) UNIT IV : Satellite Access and Coding Methods Modulation and Multiplexing : Voice, Data, Video, Analog - digital transmission system, Digital video Broadcast, multiple access : FDMA, TDMA, CDMA, DAMA Assignment Methods, compression - encryption, Coding Schemes. (Chapter - 4) UNIT V : Satellite Applications INTELSAT Series, INSAT, VSAT, Mobile satellite services : GSM, GPS, INMARSAT, LEO, MEO, Satellite Navigational System, GPS Position Location Principles, Differential GPS, Direct Broadcast satellites (DBS/DTH). (Chapter - 5)