Historic California Posts, Camps,
Stations and Airfields
Santa Cruz Island Radar Site B-9A
This Army Air Forces air defense radar
site was located on Santa Cruz Island. Initially manned by elements
of March Field's 554th Signal Aircraft Warning Battalion and
was subordinate to the Los Angeles Control Group. The site was
moved to Santa Rosa Island as Radar Site B-9
on Santa Rosa Island
SCR-270-D Mobile Long Wave
Aircraft Warning Set (Radar Site B-9)
Six-vehicle mobile, long wave early warning aircraft detector.
Azimuth and range supplied. Set is equipped with "A"
To establish a screen of warning which provides information of
approaching aircraft as early as possible but with a sacrifice
of accuracy in range, azimuth and elevation. IFF equipment RC-150
Performance and Siting: Maximum range on a single bomber flying at indicated
heights, when set is on a flat sea level site:
Set should be sited at a height
between 100' and 1000' above an unobstructed reflecting surface.
Complete set is carried in 6 vehicles, the largest of which measures
30'4" x 9'10" x 8'. Total weight of shipment is 101,790
lbs; total volume 11,485 cu. ft.
Operates from trucks in which mounted. Can be placed in operation
about 6 hours after arrival at site.
men comprise operating crew. For 24 hour operation about 50 men
are required to run radar, communication radio, and camp.
KW, supplied by PE-74, 25 KVA gasoline-driven generator, having
fixed consumption of 4 gal. per hour, non-leaded gasoline.
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