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Here’s how you can make a simple “no-tune dipole antenna” out of some things you can find at any hardware store. It doesn’t require any tuning because it works over the entire band instead of a spefic frequency.
You need:

6” diameter
vent pipe


an 8 ft. length
1.5” or 2”
diameter PVC

and some
self tapping
screws
1. You need two 25” lengths of the 6” vent  pipe.
Then put the through one of
the vent pipes and
secure the vent pipe to the PVC with self tapping
#8 sheet metal screws along the length. Leave

the screw closest to the inch gap slightly unscrewed,
one conductor of
the coaxial cable will attach to it.
Repeat this process with the second vent pipe and
leave a 1 inch space between them.                        

2. Obtain a 50-75 foot RG211 coaxial cable with PL259 plugs. Cut one of the
plugs off. About 2 inches from the end of the cut end of the coax, cut through the outer jacket, the braid  and the insulation covering the centerconductor but do not nick it. Remove these outer layers to expose the center conductor. Next, remove about 1 inch of the outer plastic to expose the braid. Take a 8 inch piece of #18 copper wire and wrap several turns around the braid. Solder it to the braid. Connect the inner conductor to the upper pipe and the wire attached to the braid to the bottom pipe. Be certain they do not short together. Cover the exposed connections and wires with hot melt glue or silicone sealant. The end with the remaining plug will connect to the transmitter. Use cable ties for strain relief.
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