Radar Tower, View from West (1) - a photo on Flickriver

View of the former U.S. Air Force radar tower on Mount Umunhum, from the west.

Other than the flag pole, this tower is the only structure remaining from the former Almaden Air Force Station, south of San Jose, California. The station was operated by the 682nd Radar Squadron, United States Air Force, from 1958 to 1980. The tower is 84.5 feet (25.8 m) tall, and its interior is not accessible to the public.

The site is now owned by the Midpeninsula Regional Open Space District (MROSD), which maintains road and trail access. MROSD has also installed displays about the former radar station as well as the mountain's significance to the indigenous people of the area.

This site was one of several similar installations built to detect potentially hostile aircraft approaching the United States during the Cold War. These radar sites were integrated into the Semi-Automatic Ground Environment (SAGE) air defense system.

Mount Umunhum (MROSD):
www.openspace.org/mount-umunhum-sierra-azul

Mount Umunhum (Wikipedia):
en.wikipedia.org/wiki/Mount_Umunhum

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Taken on: December 31, 2020

Tags:

Almaden Air Force Station

Almaden AFS

AN/FPS-24

early warning

air defense

radar

SAGE

Cold War

former military base

Mount Umunhum

Mt. Umunhum

Santa Clara County

Santa Clara Valley

San Jose

Bay Area

Almaden Valley

Almaden

New Almaden

Umunhum Conservancy

Midpeninsula Regional Open Space District

MROSD

MidPen

radar tower

historic preservation

landmark

concrete

hardened

structures « less

Sets appears in: • Mount Umunhum

Groups appears in: • SF Bay Area • California's Bay Area Group more » • concrete beauty « less

Camera: Nikon D750, f/8.0, 1/500 sec, 50mm, ISO 160 (more info) (hide info)

Camera:	Nikon D750
Lens:	28.0-300.0 mm f/3.5-5.6
Aperture:	f/8.0
Exposure Time:	0.002 sec (1/500)
Focal Length:	50mm
ISO:	160
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Aperture-priority AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop Elements 17.0 (Macintosh)
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