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Message: <blockquote data-quote="moonbase" data-source="post: 1086093" data-attributes="member: 178786">Thank you for taking the time to measure the dish, it looks to be a Precision Antennas 3.7m dish. I have just checked the original Precision Antennas catalogue and the only size listed larger than 3.7m was a 4.5m. The next size lower in the Precision range was 3.0mYour 3.7m dish has the same focal length as the Precision 2.8m and 3.0m dishes at 1207mm. The difference between them apart from size was the location of the 3 x press stamped feed support holes on the dish surface, they get closer to the edge as size increases. All three dish sizes shared the same length of feed support arms.</blockquote>