this post was submitted on 10 Oct 2025
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The aim with simple antennas is to get their length right to match the radio waves. Often at 1/4 of the wavelength.
The type of metal an antenna is made of matters, as the speed of light is different in different materials.
I suspect if it doesn't work well it's because the manufacturer either made it the wrong length or used a fibreglass tape measure rather than a steel one