How to make an 11 meter dipole

Written by adam quinn
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How to make an 11 meter dipole
Build a dipole antenna and use your CB radio set from home. (Hemera Technologies/ Images)

If you are a CB radio enthusiast interested in using your CB set at home, a homemade dipole is an efficient and straightforward antenna design to build. The common dipole antenna is constructed of two equal lengths of horizontal wire connected at a centre feed line, forming a T shape. The antenna transmits signals from two directions, perpendicular to the orientation of the wires, and is called a dipole for this reason.

Skill level:
Moderately Easy

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Things you need

  • Speaker wire, 16-gauge, 9 feet long
  • Coaxial cable, 50-ohm with connectors, 10 to 20 feet long
  • Terminal strip, 2-position, dual-row
  • Wire-stripping tool
  • Utility knife
  • Screwdriver
  • 2 Ring terminal lugs, 16-gauge
  • Pliers
  • Fishing line

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  1. 1

    Separate the speaker wire into two 9-foot lengths. Measure and cut each wire to 8 5/8 inches long. Strip 1/2 inch of insulation from one end of each wire.

  2. 2

    Cut the connector from one end of the coaxial cable. Remove 1 inch of insulation from this end. Slice down the side of the braided sheath, and twist the braid into a wire. Strip 1/2 inch of plastic insulation from the inner copper wire.

  3. 3

    Orient the terminal strip with the rows vertical. Attach the exposed end of each speaker wire to an upper screw. Connect the twisted braid and coaxial copper wire each to a lower screw.

  4. 4

    Crimp ring terminals to the free ends of the speaker wires. Spread the speaker wires out to form the top of a T. Hang the wires taut, using fishing line tied to the ring terminals.

  5. 5

    Connect the free end of the coaxial cable to the external antenna jack of the CB radio.

Tips and warnings

  • Install an antenna tuner between the radio and antenna to match the impedance for greater efficiency.
  • Orient the antenna perpendicular to the direction from which you'd like to transmit and receive.

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