Important Questions: Satellite Communication

UNIT 1:

Very Important:

Kepler's Laws

Orbital Elements

Inclined Orbits

The Sub-satellite Point

Important:

Predicting Satellite Position

Atmospheric Drag





UNIT 2:

Very Important:

The Polar Mount Antenna

Attitude Control (Both methods)

Transponders

Important:

Station Keeping

TT&C Subsystem

Sun Transit Outage




UNIT 3:

Very Important:

Master Antenna TV System

Transmit-Receive Earth Stations

Transmission Losses (Free-Space Transmission is very important; other sections also little important)

Link Power Budget Equation

System Noise

Uplink – The Earth Station HPA alone

Important:

Community Antenna TV System

Equivalent Isotropic Radiated Power

Carrier-to-Noise Ratio




UNIT 4:

Sorry, full unit is important, it seems. Unable to provide any specific Qs.




UNIT 5:

Very Important:

Power Rating and Number of Transponders

MPEG Compression Standards

VSATs

Orbcomm

Important:

Global Positioning Satellite System

Frequencies and Polarization