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Surface Measurement of a 3-foot Diameter Offset Feed Antenna for 36 GHz Operation

Question:
Is there a simple way to measure the surface accuracy of a 3 foot, offset feed dish, for 36 Ghz use?
Answer:
I believe that the standard photogrammetry technique, which uses photographic measurements from a series of different angles to derive the surface shape of an antenna, would be the most effective technique to use to measure the surface of such a antenna.