Satellite Communication Quiz

The height of a geo-stationary satellite from earth surface is

• 35930 km

• 45930 km

• 55930 km

• 64000 km

Troposphere is medium for

• Surface wave

• Guided wave

• Sky wave

• Space wave

Satellite power generation is through

• Solar cells

• Dry cells

• Nickel Cadmium cells

• Lead acid batteries

INSAT 2E was launched from

• India

• French Guiana

• Peru

• Mayotte

GSM used which technology?

• FDMA

• TDMA

• FDMA/TDMA

• CDMA

frequency range for satellite communication is

• 1khz-100khz

• 100khz-1Mhz

• 10Mhz-30Mhz

• 1Ghz-30Ghz

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

• Relay satellites

• Repeater satellites

• Communication satellites

• Geosynchronous satellites

The downlink frequency is lower than the uplink frequency. true/false

(a)  

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

• 32Mbps

• 72Mbps

• 36Mbps

• 12Mbps

Why are techniques like frequency reuse and spatial isolation carried out?

• Reduce traffic load

• More gain

• High speed

• Error detection