Space communication links are being increasingly moved into Ka-band (2 – McqOptions

MCQOPTIONS

1.	Space communication links are being increasingly moved into Ka-band (200-30 GHz) because it
A.	offers a much wider available bandwidth
B.	does not suffer from atmospheric at tenuation
C.	permits the use of smaller antenna
D.	does not suffer from rain attenuation
Answer» B. does not suffer from atmospheric at tenuation

Discussion

No Comment Found

Related MCQs

The average noise temperature of Earth, as viewed from space, is __________ °K.
The INTELSAT-IV satellite launched in 1974 had two earth coverage antenna and two narrower-angle antennas subtending 4.5°. The signal from narrow-angle antenna was stronger than that from earth- coverage antenna by a factor of
The angle subtended by earth at geostationary communication satellite is
As compared to 17.34° antenna, the total increase in the signal relayed by 4.5° antenna of INTELSAT-IV is
Power received from Sun per m² surface area of a geosynchronous satellite in nearly __________ watt.
Noise temperature of Sun is more than __________ °K.
The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.
A transponder is a satellite equipment which
The noise temperature of sky is about __________ °K.
Assuming a minimum angle of elevation of 5°, a geosynchronous satellite remains in line-of-sight for __________ percentage of Earth's surface.