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Radars at Hebo 66 Former Mt. Hebo AFS Operations Area. Interesting. rating: 0. coordinates: (45.214329°, -123.756767°) wiki:

Former Mt. Hebo AFS Operations Area

Radars at Hebo 66. Pacifc Ocean from Mt Hebo, Oregon . Mt. Hebo Operations from Fire Tower 1961. Radars at Mt. Hebo - ''79. Mt. Hebo radars 1963.
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coordinates: (45.214329°, -123.756767°)
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Further information about Mt Hebo AFS and the 689th Radar Squadron is available online at
The large 140 feet in diameter and 96 feet high rigid radome is for the FPS-24 search radar antenna. This antenna was 120 feet wide and 50 feet high, weighed in at 85.5 tons, had a target range of 200 miles, and was rotated at 5 revolutions per minute. The supporting radar tower was 85 feet tall and 64 feet square. There were 5 floors and thanks for the elevator (primarily for equipment). The radar tower did not support the radome. Instead there was a circular Radome Support Structure (RSS) also 85 feet tall and made from galvanized steel which shows below the radome. The smaller radome in the foreground was for the FPS-90 height finder radar. This radome was inflated by air pressure and was about 55 feet in diameter. Overall the search radar detected aircraft range and azimuth. The height finder detected aircraft range and altitude. Both radars were used with the computer controlled Semi Automatic Ground Envronment (SAGE) for air defense. The computer was located in a Direction Center at McChord AFB in Washington state along with the staff necessary to engage enemy aircraft and direct our interceptor aircraft such as the F-106 to the target. Behind the large FPS-24 tower is another height finder radar designated as the FPS-26A. The large steel culverts shown along the ground are for protecting the Air Force personnel (689th Radar Squadron) as they moved to and from the radars in bad weather (rain, snow, sleet, and high winds) If you look closely, there are people walking along the roadways and this shows just how large the radomes were by comparison..
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