Antennas are usually built to 1/2 or 1/4th the size of the wavelength. I'd imagine that's why - but am curious myself if it is something else. It's the only 1/4

Antennas are usually built to 1/2 or 1/4th the size of the wavelength. I'd imagine that's why - but am curious myself if it is something else. It's the only 1/4th fraction that comes to mind.