Where is focus?

RimaNTSS

RimaNTSS

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Staff member
Messages
5,016
My Satellite Setup
Some SAT-related hardware.
My Location
N-E from Riga
Hi All!
I am trying to understand Gregory system. And one of the questions I have is Subject. I put white spot on the picture. I think that focus is inside feedhorn about 25mm from the plastic cover. Am I right/wrong? Why? ;)
 

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