DIY Marine Band Antenna

Written by michael wallace
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Broadcasting a signal from a boat requires a marine-band VHF antenna. Even though these are specialised antennas, you can make them at home if you have the right parts and a little time. This process does require some knowledge of electronics, but you don't need to be particularly tech savvy in order to pull it off.

Skill level:

Things you need

  • Wire cutters or box knife
  • 50-ohm coaxial cable (at least 4 feet)
  • 39-inch length of 1/2-inch PVC pipe
  • Electrical tape

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  1. 1

    Use your wire cutters or box knife to strip about a half inch off of one end of the coaxial cable.

  2. 2

    Fit the UHF connector over the end of the cable so the copper wire just sticks out at the end of the connector.

  3. 3

    Solder the end of the copper wire to the tip of the connector and wait for the solder to dry.

  4. 4

    Screw the connector into the antenna input located at the back of your receiver.

  5. 5

    Strip 39 inches off of the remaining end of the cable sheath and separate the two halves of the internal wire down the middle.

  6. 6

    Wrap electrical tape around the wire every 5 inches or so.

  7. 7

    Run the wire through the PVC pipe and tape the end of the wire to the end of the PVC pipe. You can now turn on your receiver and the pipe and cable will act as an antenna.

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