The missle tracking and guidance radars I worked on was all tubes. Two systems in cabinets would take up a large living room.
The parabolic antenna upper left is the guidance radar. I worked on it about 5 years an 2 on the other.
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Had to crawl inside to work on and align while radiating
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Control console. There was nothing like a live missle shot and trying to hit a 9 foot drone.. The rack on the right is a 19" rack with tube chassis that swung out for service. Heat!!
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