I would think that the only "making" involved would be the making of money in order to buy a LNB from a store.
Have a look here:
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Well beyond what I think you realize you are in for as a "project"
I forgot this example:
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Notice the odd trace shapes, the traces with parallel branches that go nowhere? These are components, inductors, capacitors, resistors, etc.. stripline, etc, even the PCB material is special.
Remeber you are dealing with unbelievable weak signals, and they are in the millimeter wavelength. Not for the faint of heart.