INTELSAT stands for International Telephone Satellite International Satellite Intel Satellite International Telecommunications Satellite TRUE ANSWER : ? YOUR ANSWER : ?
Earth station uses what type of antenna Helical antenna Despun antenna Toroidal antenna Cassegrain antenna TRUE ANSWER : ? YOUR ANSWER : ?
Most mobile satellite array uses ___________ in transforming 50 to 150 Ω impedance. Balun Stub Microstrip tapers Quarter-wavelength transformer TRUE ANSWER : ? YOUR ANSWER : ?
Repeaters inside communications satellites are known as TWT Transducers Transponders Trancievers TRUE ANSWER : ? YOUR ANSWER : ?
What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation? 22,426.4 miles 26,426.4 miles 27,426.4 miles 23,426.4 miles TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the first active satellite? Sputnik I Telstar I Echo I Early Bird TRUE ANSWER : ? YOUR ANSWER : ?
The radiation patterns of earth coverage antennas have a beamwidth of approximately 35˚ 21˚ 5˚ 17˚ TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the first commercial satellite? Courier Explorer Telstar Early Bird TRUE ANSWER : ? YOUR ANSWER : ?
Point on the satellite obits closest to the earth. Apogee Prograde Zenith Perigee TRUE ANSWER : ? YOUR ANSWER : ?