DIY FM Transmitter Antennas
If you are a radio hobbyist, you more than likely have a ham (amateur) radio setup in your home. The only thing a radio needs to broadcast its signal is an antenna. If you want to forgo buying an antenna from a store, you can make one out of inexpensive materials.
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Things You'll Need
- 2 metal rods 1,178 mm in length
- Electrical tape
- Wire cutters
- Electrical wire
- Soldering iron
- 300-ohm cable
Instructions
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1
Place one of your 1,178mm lengths of rod over the other so that they are perpendicular. Tape the two rods together where they cross over each other and make sure they are secure.
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2
Place the rod assembly on a sturdy work surface and turn it so that it is an X shape.
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3
Cut four matching lengths of electrical wire to 832 mm each and strip about a half inch of sheath off each end of the wires.
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4
Tape them across the ends of the rods so that the wires make a square shape around the rods.
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5
Cut one end off your 300-ohm ribbon cable and solder it to one of the corners of the wires.
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6
Plug the remaining connector end of the ribbon cable to the input jack on your FM unit.
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