Problem 45493. SatCom #2: Gain of a circular 'dish' antenna

Satellite and Space Engineering - Problem #2
This is part of a series of problems looking at topics in satellite and space communications and systems engineering.
Determine the gain (in dBi) of a circular 'dish' antenna.
You are given the diameter of the antenna (in m), the frequency of operation (in Hz) and the antenna efficiency (as a %). Calculate the gain of the antenna (in dBi).
You should take the speed of light to be 299,792,458 m/s.
Hint: See <https://en.wikipedia.org/wiki/Parabolic_antenna#Gain> - but don't forget to convert to dBi!
Example: The gain of a typical direct-to-home 60cm TV receiving antenna at 12 GHz is around 36 dBi.
Some future problems in this series will build on work done in previous problems, so if you get a working solution I suggest you hang onto the code!
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28.15% Correct | 71.85% Incorrect
Last Solution submitted on Nov 15, 2024

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