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AS-2537C/SR:  Quick Reference Data

Part Number --  AS-2537C/SR

Name: 35-Foot Heavy Duty Naval Whip Antenna
Category: High Frequency Antennas
Diagrams: Dimensions and Mounting Details
Photos: AS-2537C/SR
NATO Stock Number (NSN): 5985-00-431-8743
Height: 35 feet  repeated below)
Frequency Range: 1.6 MHz to 30 MHz (with tuner)
Features: * Heavy duty
* High reliability
* Matches a range of communications systems
Description: Valcom's AS-2537C/SR 35-foot whip antenna was designed and built to meet the U.S. Navy requirements for shipboard antennas, specifically MIL-A-24319B(EC) and NAVELEX 0967-423-9010.  It meets or exceeds these requirements in every respect.

The mechanical strength is achieved with a patented process using high strength filament fibreglass and epoxy resin.  The base section acts as an insulator as the feed-point is 12" from the bottom.  The base section is an integral part of the antenna thus giving maximum strength.  Electrical stability is obtained by employing multiple beryllium copper conductors imbedded in the epoxy fibreglass.  A specially designed bronze ferrule is used to join the two sections together.

This antenna is in operational use by the following Navies:  United States, Canada, Great Britain, Australia, Greece, Spain, South Korea.  Over 3000 of these antennas have been manufactured since 1969 and some of the original models are still in service.

Typical Applications:  AN/URC-32, AN/URC-36, AN/URT-23, AN/URT-24, AN/WRC-1, AN/WRT-1, AN/URA-22, AN/URA-38, OE-5006/SRC.

Notes: 1.  United States Patent Number 3,725,944 applies

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: 1.6 MHz to 30 MHz (with tuner)
Resonant Frequency: 5.9 MHz
Power Rating: 5 KW Average Power
Dry Withstanding Voltage: 25 KV
Electrical Length: 35 Ft (10.6 M)

Mechanical Characteristics

Mechanical Length: 36 Ft (11 M)
Weight: 141 Lbs. (64 kg)
Centre of Gravity: 13.7 Ft (4.2 M)
Base Insulator: Filament Wound / Epoxy Fibreglass
Top Termination: Brass Corona Ball
Joints: Bronze Threaded Section with Lock Pin
Finish: Epoxy Polyamide Paint

Environmental Characteristics

Temperature: -60°F to 150°F (-50°C to 65°C)
Wind Loading Test: To 150 MPH (240 km/H)
Ice Loading Test: 0.75 in (1.87 cm) at 100 MPH (160 km/H)
 

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