Construction Materials
A discone may be made from solid metal sheet (often copper), which is practical for small indoor UHF antennas, such as for Wi-Fi.
At lower frequencies a sufficient number of metal wires or rods in a spoke configuration is often used to approximate a solid surface. This simplifies construction and reduces wind loading.
The spokes may be made of stiff wire, brazing rods or even coat hanger wire.
The optimal number of rods comprising the disc and cone is often quoted as being from 8 to 16.
Read more about this topic: Discone Antenna
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