Model SB-101/1
VHF Shipboard Antenna Omni 30-88 MHz

Frequency Range: 30-88 MHz
Gain: 0 dBi
VSWR: 3.5:1 Max
Polarization: Vertical
Pattern: Omnidirectional
Size: 144″ H
NSN: 5985-01-255-3493
Military Nomenclature: AS-3226A/URC
Model Number: SB-101/1
Part Number(s): 1000-1514-401: Gray
1000-1514-402: CARC Green
1000-1514-403: White

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The SB-101/1 is a VHF shipboard antenna capable of transmitting up to 800 watts power between 30-88 MHz. The antenna provides vertically polarized, omnidirectional coverage over the specified frequency range. The antenna is enclosed in a fiberglass housing, making it suitable for use in the extreme marine shipboard environment.

The lightweight element construction is secured inside the housing and damps all vibration frequencies specified MIL-STD-167, Type I vibration. The SB-101 withstands the shock loads as specified in MIL-S-901C for Grade A shock. Military designation is AS-3226.

Spec Sheet


Finish Haze Gray Mil-P-2441 Paint
Gain 0 dBi
Humidity 0-100%
Mounting 1/2 inch Bolts On A 6.75 Inch Bolt Circle
Wind 100 Knots
Height 144 Inches
VSWR 3.5:1 Max Across the Band
Frequency Range 30-88 MHz
Weight 35 lbs
Radome Diameter 4 inches
Ice 4.5 PSF On All Exposed Surfaces
Input Impedance 50 Ohms Unbalanced
Temperature Operation -54C To +65C
Temperature Storage -62C To +71C
Base Diameter 8 inches
Power Capability 800 watts avg
Shock Mil-S-901C, Grade A Class I
Vibration Mil-Std-167-1, Type I
Dust Mil-Std-810, Method 510.2
Azimuth Coverage Omnidirectional
Elevation Coverage Sinusoidal Pattern With Max At Horizon
Input Connector Type N
Polarization Vertical
Salt Fog Withstands 100 Hour Test