HT-22 HF Transportable Short Range Antenna HV 2-30 MHz
Frequency Range: 2-30 MHz
Polarization: Horizontal and Vertical
Pattern: Omnidirectional
Deployed Size: 150′ x 150′ x 22′ H L W
Military Nomenclature: AS-4112/TSC-60
Model Number: HT-22
Part Number(s): 1500-0293-201
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Description
Applications:
The HT-22 is a militarized, transportable HF antenna designed specifically for short range (0-300 miles) near vertical incident skywave circuits. The horizontal polarization permits operation over all soil types without the need for a ground screen. A hybrid feed provides two isolated broadband RF inputs suitable for receive an transmit applications up to 3 kW average power.
Features:
The HT-22 antenna provides full 2-30 Mhz operation at a VSWR of 2.3:1 or less. The antenna is fed with a two port HF hybrid. The antenna is capable of transmitting on two frequencies simultaneously at power levels up to 3 kW average, receiving on two frequencies simultaneously, and transmit on one frequency while receiving on a second frequency simultaneously. The antenna is designed to be lightweight, rugged and easy to erect. The antenna may be erected by two men in less than one hour. The masts, anchors, antenna elements, and element supports are stored in a transit frame. The elements are constructed of vinyl coated galvanized cable to protect the elements in corrosive environments.
Characteristics:
At 2 Mhz the minimum gain is -4 dBi. The gain increases to 0 dBi at 3 Mhz and above. The two radiation patterns to the two RF inputs ports have identical RF gain and pattern shape but are rotated 90 degrees in azimuth. The hybrid is located at the top of the sectionalized tubular aluminum mast.
Equipment Supplied:
The antenna comes equipped with radiating elements containing terminations, a dual input hybrid, a sectional mast, guys, a pivot base, anchors, ground rods, hammer, two transit cases, and two coaxial cables that provide interface connectors at the bottom of the mast.
Optional Equipment:
A crank-up or pneumatic telescoping mast, foot pump and electric compressor.
Spec Sheet
Spec Sheet
SPECIFICATIONS |
PERFORMANCE |
---|---|
Wind | 90 MPH with out ice, 50 MPH with .5 inch Radial Ice |
Humidity | 96 % with a temperature of 95 F |
Rain | MIL-STD-810, Method 506.2, Procedure I |
Salt Fog | MIL-STD-810, Method 509.2, Procedure I |
Input Connector | Type HN |
Azimuth Patterns, 16 to 30 MHz | +/- 3.3 Db Omni |
Azimuth Patterns, 2 to 16 MHz | +/-1.1 Db Omni |
Gain, 5 to 30 MHz | 0 dBi |
Altitude Operation | 12,000 feet |
Deployed Size, Feet | 150 x 150 x 22 |
VSWR, 5 to 30 MHz | 2.0:1 Max |
VSWR, 2 to 5 MHz | 2.3:1 Max |
Frequency Range | 2-30 MHz |
Power Capability | 3 kW Average / PEP |
Finish | 383 CARC Paint |
Stowed Weight Total | 385 lbs |
Gain, 2 to 3 MHz | -4 dBi Minimum |
Snow | 40 lbs / sq ft |
Stowed Size, #2 Transit Frame, Inches | 48 L x 16 W x 12 H |
Input Impedance | 50 Ohms Unbalanced |
Altitude Storage | 50,000 feet |
Temperature Operation | -60 F to +155 F |
Temperature Storage | -70 F to +155 F |
Stowed Size, #1 Transit Frame, Inches | 75 L x 19 W x 25 H |
Elevation Pattern, Above 8 MHz | Gain Max at Zenith |
Polarization | Horizontal and Vertical |
Solar Radiation | MIL-STD-810, Method 505.2, Procedure II |
Fungus | MIL-STD-810, Method 508.3 |
Sand | MIL-STD-810, Method 510.2, Procedure II |
Vibration | MIL-STD-810, Method 514.3, Procedure II |
Shock | MIL-STD-810, Method 516.3, Procedure IV |
Elevation Pattern, Below 8 MHz | Not Lower than 28 degrees Above Horizon |
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