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US Military Sensors : AS-2866/SRR

AS-2866/SRR
Physical Dimensions
Height 24 inches
Diameter (radiator) 120 inches
Diameter (base) 26 - 3/4 inches
Weight 200 lbs
Operating Temperature -54 C to +65 C
Frequency Range 10 to 30 MHz
Input Impedance 50 ohms
VSWR > 5:1 when installed on a 5 inch gun mount
Polarization Vertical
RF Power Rating n/a; receive only
Power Requirement None
Feed Type Unbalanced, coaxial cable
Input Connector Type N, female

Description: The AS-2866/SRR is an omnidirectional inverted cone HF communications receiving antenna. This antenna was designed for installation atop five-inch gun turrets. The antenna elements are manufactured from aluminum and are supported by a sealed fiberglass base. The antenna may be used with any receiving system operating within its frequency range.

Installation: The antenna base mounting flange has eight 11/16 inch bolt holes equally spaced on a 24 inch diameter bolt circle for mounting the antenna. A foundation with matching bolt holes, made to suit the configuration of the turret top so that the antenna mounting flange is level, must be provided by the installing activity. The turret top must be penetrated to accommodate the coaxial transmission line.

Considerations: The coaxial cable transmission must have sufficient slack and arranged in such a manner that it will not be damaged by turret rotation.
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