Related Questions

The smallest beam of a satellite antenna radiation pattern
A Zone beam
B Hemispheric beam
C Spot beam
D Global beam
The radiation pattern of a parabola antenna is
A Omnidirectional
B A figure of directional
C Highly directional
D None of the above
The radiation pattern of loop antenna is
A Circle
B Semicircle
C Elliptical
D Cardoid or Limacon
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
A 10 mm/m
B 16 mm/m
C 20 mm/m
D 26 mm/m
Which antenna is a wideband antenna?
A Hertz antenna
B Marconi antenna
C Folded dipole
D None of the above
A Yagi antenna has a driven antenna
A Only
B With a reflector
C With one or more directors
D With a reflector and one or more directors
The local antenna for satellite connection is called a
A VSAT
B Modem
C Terminal
D DTA
A helical antenna is used for satellite tracking because of
A Circular polarization
B Maneuverability
C Beamwidth
D Gain
What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array?
A Radial divider
B Divider/combiner
C Radial combiner
D Radial multiplexer
In a typical mobile satellite array antenna if three elements are activated, how many elements are deactivated?
A 3
B 11
C 5
D 9

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