13 -120 Meter SWL Broadcast Bazooka Antenna

SKU: SWLBB
Installation Instructions

Description

A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with little change to the VSWR.

The DOUBLE BAZOOKA antenna design was first conceived as a radar antenna in the early 1940's for use by the U.S. Government. It was modified for amateur radio use in the 1950's.

Home-brew DOUBLE BAZOOKA rarely survived harsh elements and wind-load stresses. The weak points were typically at the feed point and coax twin lead connection. The IAC design is culmination of a three-year development program, including state of the art materials and encapsulation techniques, to provide the amateur radio operator with an antenna that will endure such harsh elements. Construction methods and components used are of government Mil-Spec quality.

  • IAC has taken the same high performance, Mil-Spec quality construction and applied this into a Short-wave Broadcast Listening Bazooka antenna.
  • Antenna construction centers around 50 Ohm coax in combination with 300 Ohm transmission line end section. The end result is an end feed broadband quarter-wavelength antenna.
  • Provided for the listener’s 50 Ohm feed line is a SO 239, a silver plated connector having Teflon insulation and a gold plated socket.
  • The features of the proprietary design anchor the connector in high shear UV resistant molding. The coax element is sealed in this molding, which exhibits high adhesion to the PVC Jacket.
  • Mil-Spec heat shrink tubing, with a melting inner liner, is utilized to seal and strain relieve the transition area between the coax and the twin lead. A heat shrink cap is applied to the outer most end of the twin lead completing antenna construction.
  • Since this antenna has no exposed metal wire static charges can not build up hus reducing noise by 6 dB over antennas constructed of exposed wired.
  • The Short-wave Broadcast Listening Bazooka antenna is recommended to be mounted to a secure point such as a roof peak or metal pole for optimum results.
  • The Short-wave Broadcast Listening Bazooka antenna will cover the 13, 16, 19, 21, 25, 31, 41, 49, 60, 90 and 120 meter short wave bands.

The following chart gives overall antenna length and recommended height placement above ground from a single support point.

NOTE: THESE ARE ONLY RECOMMENDED HEIGHTS A HIGHER OR LOWER MOUNTING HEIGHT ABOVE GROUND CAN BE USED WITH EQUALLY GOOD RESULTS.

 

Operating
Band

Antenna
Length

Mounting Height
Above Ground

End Height
Above Ground

13-120 meters

36 FT

20 - 40 FT

5 – 20 FT

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    For 80 meters.   This is an extremely broad-banded Half Wave Antenna which can operate efficiently across an entire Ham band with little change to the SWR.  This unique design eliminates the need for antenna matching baluns and can be fed directly with 50 Ohm coax.

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