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Part Number -- OE-415A(V)1/SRC |
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|---|---|
| Name: | HF Twin 35-Ft Whip Antenna System |
| Category: | HF Antennas |
| Photo(s): | OE-415A |
| NATO Stock Number (NSN): | 5985-01-383-8447 |
| Height: | 421 in ± 1 in (1069.3 cm ± 2.5 cm) (repeated below) |
| Frequency Range: | 4 MHz to 12 MHz (repeated below) |
| Features: | * Power
handling to 10 KW * Minimum maintenance * Meets MIL-A-29519(EC) * High reliability * Shipboard applications * Broadband * Weatherproof |
| Description: | The
OE-415A(V)1/SRC antenna group is a twin whip antenna system which
provides broadband coverage in the 4-12 MHz frequency range for
shipboard transmitting and receiving systems. The antenna
system consists of two 35 foot spun aluminum antenna, an impedance
matching network and an interconnecting wire-rope feed assembly. The system is intended for use on either the CG or DDG class naval vessels: - CG class vessel - the impedance matching network is CU-2151C/SRC and antenna is an AS-3772B/U - DDG class vessel - the matching network is CU-2415A/SRC with antenna AS-3772B/U The antennas used in the system are self supporting tapered aluminum tubes with a fibreglass insulator and mounting base. The impedance matching network contains a variable inductor/capacitor to enable optimal VSWR characteristics over the entire 4-12 MHz band. A VSWR of 3:1 or less on 50 Ohms can be achieved over the entire frequency band. The system has been qualified to MIL-S-901C for shock, MIL-STD-167 for Type 1 vibration and all the service conditions of MIL-E-16400. |
| Notes: | 1.
NATO Stock Number 5985-01-383-8447 2. Specifications subject to change without notice. |
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Electrical Characteristics |
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| Frequency Range: | 4 MHz to 12 MHz |
| Polarization: | Vertical |
| Power Handling: | 10 KW average |
| Azimuth
Coverage [Radiation Pattern]: |
Omnidirectional |
| Impedance: | 50 Ohms |
| VSWR: | 3:1 maximum for typical installations |
| Input Connector: | 1-5/8 EIA flange (or customer order) |
| Output: | Bowl Insulator with 1/2 -13 UNC-2A Threaded Rod |
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Mechanical Characteristics |
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| Height / Length: | 421 in ± 1 in (1069.3 cm ± 25.4 cm) |
| Weight: | 195 Lbs. (88.4 kg) |
| Matching Network Enclosure: | GC
Class Ship Enclosure -- 29 in (73.6 cm) long, 25 in (63.5cm) high,
24 in (60.9cm) wide, 140 lbs (63.5 kg) DDG Class Ship Enclosure -- 30 in (76.2 cm) long, 13 in (33 cm) high, 13 in (33 cm) wide, 80 lbs (36.2 kg) |
| Mounting (Each Antenna): | Base flange with 8 holes, 0.690 in (1.75 cm) diameter equally spaced on a 10.750 in (27.30 cm) dia. bolt circle. |
| Mounting (Matching Network): | CG
Class Ship Enclosure -- Top flange welded to underside of customer
furnished mounting platform. DDG Class Ship Enclosure -- 6 mounting holes, 0.53 in (1.34 cm) diameter. |
| System Configuration: | Antennas spaced 10 FT (3.04 M) apart, with Matching Network in the centre. |
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