Satellite Communication

The satellite that is used as a relay to extend communication distance is called as --------

• Relay satellites

• Communication satellites

• Repeater satellites

• Geosynchronous satellites

The transmitter-receiver combination in the satellite is known as a --------

• Relay

• Repeater

• Transponder

• Duplexer

The downlink frequency is lower than the uplink frequency.

• True

• False

What is the reason for carrying multiple transponders in a satellite?

• More number of operating channels

• Better reception

• More gain

• Redundancy

Why are VHF, UHF, and microwave signals used in satellite communication?

• More bandwidth

• More spectrum space

• Are not diffracted by the ionosphere

• Economically viable

What is the reason for shifting from c band to ku band in satellite communication?

• Lesser attenuation

• Overcrowding

• More bandwidth

• Less power requirements

Which of the following bands cannot be used for satellite communication?

• MF

• Ku

• C

• X

What is the maximum theoretical data rate if a transponder is used for binary transmission and has a bandwidth of 36MHz?

• 72Mpbs

• 36Mpbs

• 32Mpbs

• 12Mpbs