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ESE 2021 Technical Quiz 136|| Microwave & satellite communication: Terrestrial/space type LOS systems, block schematics link calculations, system design

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Question 1

Duct propagation of microwave occurs due to which one of the following?

Question 2

Which of the following is a circularly polarized antenna?

Question 3

X- band frequencies are in which one of the following ranges?

Question 4

Tropospheric scatter communication is used for which frequency band?

Question 5

Which of the following antennas uses a number of varying length parallel elements?
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Jul 8ESE & GATE EC