1. Amateur (Ham) Radio

Truck-Mounted 2 meter/440 Field Antenna

The creation of a 2 meter/440 antenna that will mount to the back of my truck.
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  • Three six- foot sections of a handle for a concrete float that I used for a mast.

    Three six- foot sections of a handle for a concrete float that I used for a mast.

  • Close-up of the tapered ends of the mast sections

    Close-up of the tapered ends of the mast sections

  • The ends of the mast tubes and the section for attaching the concrete float, which I used to attach the antenna mount.

    The ends of the mast tubes and the section for attaching the concrete float, which I used to attach the antenna mount.

  • The mount for a Comet GP-1 attached to the float adapter

    The mount for a Comet GP-1 attached to the float adapter

  • The antenna mount and the adapter attached to the mast tube

    The antenna mount and the adapter attached to the mast tube

  • The radials for the Comet GP-1 with wing nuts attached

    The radials for the Comet GP-1 with wing nuts attached

  • Close-up of the radials

    Close-up of the radials

  • The base (mounting end) of the GP-1 antenna with a bolt and wing nut for mounting

    The base (mounting end) of the GP-1 antenna with a bolt and wing nut for mounting

  • Trailer hitch flagpole holder mounted on the truck

    Trailer hitch flagpole holder mounted on the truck

  • PVC conduit ends to be used as sleeving for the antenna when it's slid into the flagpole holder

    PVC conduit ends to be used as sleeving for the antenna when it's slid into the flagpole holder

  • Conduit ends nested together

    Conduit ends nested together

  • Mast tubing slid into the flagpole holder

    Mast tubing slid into the flagpole holder

  • Completed installation.  Note:  Two mast sections and the antenna coax cable have been omitted for photographic purposes

    Completed installation. Note: Two mast sections and the antenna coax cable have been omitted for photographic purposes

  • Closer view of the antenna mounted on the mast tubing

    Closer view of the antenna mounted on the mast tubing

  • To secure the bottom of the mast tube in the flagpole holder, I bolted a length of aluminum round stock in the bottom of the holder.  The round stock was an almost perfect fit in the mast tubing.

    To secure the bottom of the mast tube in the flagpole holder, I bolted a length of aluminum round stock in the bottom of the holder. The round stock was an almost perfect fit in the mast tubing.

  • Threaded bolt hole in the end of the round stock.

    Threaded bolt hole in the end of the round stock.

  • Tapping the threads for the bolt in the bottom of the round stock

    Tapping the threads for the bolt in the bottom of the round stock

  • The bolt installed in the threaded hole in the round stock.

    The bolt installed in the threaded hole in the round stock.

  • 25 Foot Flagpole

    25 Foot Flagpole

    A 25 ft telescoping flagpole holds the antenna and two flags very nicely.

  • Two meter/440 antenna at the top of the flagpole.

    Two meter/440 antenna at the top of the flagpole.

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