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Part Number -- AS-3372B/U |
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|---|---|
| Name: | 35-Ft Aluminum Whip Antenna AS-3772B/U |
| Category: | HF Antennas |
| Diagram(s): | Dimensions and Mounting Details |
| Photo(s): | AS-3772B/U |
| NATO Stock Number (NSN): | 5985-01-383-8451 |
| Height: | 421 in ± 1 in (10.69 M ± 2.54 cm) (repeated below) |
| Frequency Range: | 2 MHz to 30 MHz - for antennas (repeated below) |
| Features: | * Power
handling to 5 KW * Minimum maintenance * High reliability * Shipboard applications * Broadband * Weatherproof |
| Description: | The
AS-3772B/U 35 foot aluminum whip transmitting/receiving antenna is designed
and built to meet the US Navy requirements for shipboard antennas,
specifically MIL-A-29517(EC). It meets or exceeds these
requirements in every respect. The antenna is used for communications in the 2 to 30 MHz frequency range and can be installed and operated in the vertical, tilted, or horizontal positions. The antenna consists of a tapered aluminum radiating element and an integral fibreglass insulator and base mounting flange. It is a two piece antenna which has three side feed points. The integral insulator and base mounting flange is bonded to the bottom of the radiating element. A drip shield is provided just below the lower feed point. The mechanical strength of the integral insulator and mounting flange is achieved with a patented process using high strength filament fibreglass and epoxy resin. |
| Notes: | 1.
Do not use lead base paint touch-up or repaint antenna. 2. NATO Stock Number 5985-01-383-8451. 3. Specifications subject to change without notice. |
| Technical Manual: | 
AS-3772 Manual |
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Accessories |
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| Ground Sheet: | use the VGS-36100 |
| Steel Tower: | use the VTGS-20 |
| Hinge Plate: | use the VHB-13 |
| Gin Pole: | if using the VTGS-20, use
the VGP-10 or VGP-17 if using the VHB-13, use the VGP-13 |
| Lightning Arrestor: | use the VLA-200 |
| Foundation Details: | if
using the VTGS-20, use these Foundation
Details if using the VHB-13, use these Foundation Details |
|
Electrical Characteristics |
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| Frequency Range: | 2 MHz to 30 MHz |
| Polarization: | Vertical |
| Power Rating: | 5 KW |
| Azimuth
Coverage [Radiation Pattern]: |
Omnidirectional |
| VSWR: | <2:1 at 7 MHz |
| Input Connection/or: | 1/4 - 20 UNC |
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Mechanical Characteristics |
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| Height / Length: | 421 in ± 1 in (10.69 M ± 2.54 cm) |
| Weight: | 195 Lbs. (88.4 kg) |
| Radiating Element: | Aluminum |
| Base Insulator: | Epoxy Fibreglass |
| Finish: | Haze Gray silicone alkyd enamel per TT-E-490, colour 26270 per FED STD 595 |
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