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Reply To: Antenna size – how to find it?


Dear Luke,
I am assuming you are talking about parabolic antenna. Well the first thing u need to know is the required gain, which you may calculate from the link budget. Once u have that, u can use the formula
Gain=20log (7.4 D f )

Where D is ant dia in mtrs
f is freq in GHz.
Does that solve ur purpose ??