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Part Number -- AS-3373B/U |
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|---|---|
| Name: | 18-Ft Aluminum Whip Antenna AS-3773B/U |
| Category: | HF Antennas |
| Diagram(s): | Dimensions and Mounting Details |
| Photo(s): | AS-3773 |
| NATO Stock Number (NSN): | 5985-01-383-8647 |
| Height: | 216 in ± 1 in (5.48 M ± 2.54 cm) (repeated below) |
| Frequency Range: | 10 MHz to 30 MHz |
| Features: | * Power
handling to 5 KW * Minimum maintenance * High reliability * Shipboard applications * Broadband * Weatherproof |
| Description: | The
AS-3773B/U 18 foot aluminum whip transmitting/receiving antenna is
designed and built to meet the US Navy requirements for shipboard
antennas. the antenna Meets MIL-S-901 grade A for shock;
MIL-STD-167 for vibration. The antenna is used with general HF communications equipment. the antenna provides vertically polarized, omnidirectional azimuth radiation from 10 to 30 MHz when the antenna is operated in a twin whip and tuner configuration for broadband applications. It can be used singularly for general receiving or transmitting applications. The antenna consists of a tapered aluminum radiating element and an integral fibreglass insulator and base mounting flange. It is a single 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 patent process using high strength filament fibreglass and epoxy resin. |
| Notes: | 1.
Do not use lead base paint to touch-up or repaint antenna. 2. NATO Stock Number 5985-01-383-8506 3. Specifications subject to change without notice. |
| Technical Manual: | 
AS-3773 Manual |
| Supplied Parts: | * a
part - delete if not required * another part |
|
Accessories |
|
| 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 |
|
| Frequency Range: | 10 MHz to 30 MHz |
| Polarization: | Vertical |
| Power Rating: | 5
KW (Singular Antenna) 10 KW (Twin Whips with Tuner) |
| Azimuth
Coverage [Radiation Pattern]: |
Omnidirectional |
| VSWR: | <3:1 (Twin Whip Configuration) |
| Input Connection: | 1/4 - 20 UNC |
|
Mechanical Characteristics |
|
| Height / Length: | 216 in ± 1 in (5.48 M ± 2.54 cm) |
| Weight: | 140 Lbs. (63.5 kg) |
| Radiating Element: | Aluminum |
| Base Insulator: | Epoxy Fibreglass |
| Finish: | Haze Gray silicone alkyd enamel per TT-E-490 colour 26270 per FED STD 595 |
|
Environmental Characteristics |
|
| Temperature: | x°F to x°F (x°C to x°C) |
| Humidity: | x% to x% |
| Altitude: | x Ft to x Ft (x M to x M) above Sea Level |
| Wind Loading Test: | To x MPH (x km/H) |
| Ice Loading Test: | x in (x cm) at x MPH (x km/H) |
| Vibration: | MIL-STD-167-1 Type 1, for e.g. |
| Shock: | MIL-S-901-1 Grade A, for e.g. |
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