Volume 1
MIL-HDBK-162A
Section 1
15 December 1965
ITEM NAME: RIGID RADOME
TYPE: CW-396/GPS, CW-396A/GPS
Ice Load (Max): b in. of glazed ice on upper 1/4 of
surfaces from puncture and to protect the gasket groove
radome, or 16 in. of rime ice on entire structure
in the side flanges from impact fracture damage.
Wind Velocity
RELATION TO SIMILAR EQUIPMENT
No Ice Load
CW-396/GPS: 150 mph
Rigid Radome CW-396/GPS uses fiberglass mat
CW-396A/GPS: 130 mph
covering, whereas Rigid Radome CW-396A/GPS uses
Ice Load (8 in. of Glazed Ice or 16 in. Of Rime
fiberglass cloth covering. The flange depth of the
Ice): 87 mph
CW-396A/GPS is smaller than that of the CW-396/GPS.
Salt Atmosphere: 10 mph (max)
TECHNICAL DESCRIPTION
Structural Stress
Net Life (lb): 70,000 (during 150 mph wind)
Construction Material
Horizontal Drag (lb): 90,000 (during 150 mph
CW-396/GPS:
Glass-reinforced
polyester
wind).
laminate panels bolted together (fiber- glass
INSTALLATION CONSIDERATIONS
CW-396A/GPS:
Glass-reinforced polyester
Siting (Arctic Use Only): Site selection for the rigid
laminate panels bolted together (fiberglass
radome is entirely dependent on the siting
cloth)
requirements of the AS-78t/FPS-19 antenna
Physical Size
housed within the radome structure.
CW-396/GPS
Diameter: 53 ft, 7-1/2 in. (50-ft base)
Mounting: The radome is bolted to a mounting ring
Height: 43 ft (from base mounting ring to top
located on the top platform of a 50-ft-high tower
center)
capable of supporting the 17,000 lb radome.
CW-396A/GPS
Diameter: 55 ft (50-ft base)
Related Equipment: Used with but not part of
Height: 43 ft from base mounting ring to top
AN/FPS-3 or AN/FPS-19 radar sets.
center)
Ambient Temperature: -80t'F to plus 160F
PRINCIPAL COMPONENTS AND PHYSICAL DATA
SHIPPING DATA
COMPONENT
CRATES
UNIT WT.
(NR.)
(Pounds)
(SFEL REQUIREMENT)
57
2B,070
*INSTALLATION AIDS
Mast Boom & Gin Pole Assy
6
2600
Radome Erection Scaffold
5&
13 Bundles
6155
Gasketing Cradle
1
350
NOTE: *The Installation Aids are necessary to effect the radome installation, but are not required for
subsequent operation. Therefore, following radome installation, this equipment is repackaged for
use elsewhere.
CW-396/GPS: 2
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