HT-20B HF Ultra-Lightweight Short Range Antenna 2-30 MHz
Frequency Range: 2-30 MHz
Gain: (2 MHz) -16.9 MHz, (30 MHz) -3.0 dBi
VSWR: 2.0:1 max
Polarization: Primarily Horizontal
Pattern: Omnidirectional
Deployed Size: 27′ x 120′ x 35′ H L W
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Applications:
The HT-20B, military nomenclature AS-4096/G, is a lightweight transportable HF antenna that provides excellent radiation characteristics for short range 0 to 300 mile circuits. The lightweight rugged design and quick erection features are ideal for meeting rapid deployment requirements. The installed geometry minimizes land area usage and permits installation in the space constraints typically encountered in an operational area.
Features:
The key to the transportable design is the ultra-lightweight sectional mast which collapses to a convenient transport length for ease of storage and handling.
Characteristics:
The primary mode of propagation is HF Near Vertical Incident Skywave (NVIS) with the maximum radiation directed toward the zenith. The antenna provides broadband operation in the 2-30 Mhz frequency range with a maximum VSWR of 2:1. The 50 ohm input impedance is achieved by a mast-top mounted balun feeding the dipole elements. The antenna is rated at 150 watt average/PEP.
Equipment Supplied:
Equipment supplied includes the telescoping mast, element wires, balun, terminations, accessory kit and canvas carrying bag.
Optional Equipment:
Transit case.
Spec Sheet
|
SPECIFICATIONS |
PERFORMANCE |
|---|---|
| Salt Fog | MIL-STD-810, Method 509.2, Procedure I |
| Sand & Dust | MIL-STD-810, METHOD 510.2 |
| Input Connector | Type N |
| Pattern, H-Plane Beamwidth, 2-12 MHz | 110 Degrees Average |
| Pattern E-Plane Beamwidth, 2-12 MHz | 140 Degrees Average |
| Erection Time, 2 Men | 15 Minutes |
| Power Capability | 150 Watt Avg / PEP |
| Gain, 2 MHz | -16.9 MHz |
| VSWR | 2.0:1 Max Across the Band |
| Frequency Range | 2-30 MHz |
| Erected Dimensions, H x L x W | 27′ x 120′ x 35′ |
| Gain, 30 MHz | -3.0 MHz |
| Shipping Volume | 3.2 Cubic Feet |
| Temperature Rating | -40 C TO +55 C |
| Weight | 40 lbs |
| Shipping Weight | 50 lbs |
| Input Impedance | 50 Ohms Unbalanced |
| Dimentions, Stored, L x W x H | 50″ x 10″ x 9″ |
| Wind Loading | 67 MPH |
| Beam Position | 90 Degree Elevation |
| Polarization | Primarily Horizontal |
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