2.1) A parabolic reflector antenna used for radio astronomy to observe a certain patch in the sky, has a diameter of D1 m and operates at a frequency of F1 GHz. If the aperture efficiency is E1%, find the: A) The gain of the antenna and express it in dBd. (Show all the calculations). B) The far field distance for this antenna in meters and explain why this region is important. D1 = 3 F1 = 72 E1= 63

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2.1) A parabolic reflector antenna used for radio astronomy to observe a certain patch
in the sky, has a diameter of D1 m and operates at a frequency of F1 GHz. If the aperture
efficiency is E1 %, find the:
A) The gain of the antenna and express it in dBd. (Show all the calculations).
B) The far field distance for this antenna in meters and explain why this region is
important.
D1 = 3
F1 = 72
E1= 63
Transcribed Image Text:2.1) A parabolic reflector antenna used for radio astronomy to observe a certain patch in the sky, has a diameter of D1 m and operates at a frequency of F1 GHz. If the aperture efficiency is E1 %, find the: A) The gain of the antenna and express it in dBd. (Show all the calculations). B) The far field distance for this antenna in meters and explain why this region is important. D1 = 3 F1 = 72 E1= 63
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