What is the theoretical performance of a 2m 1/4 wave ground plane antenna when used at 70cm? - Quora
Three quarter wavelength (3λ/4) vertical antenna geometry and current... | Download Scientific Diagram
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GP1 1/4 antenna ombrello GP lunghezza d'onda 87-108MHz (divisa in cinque sezioni) (90MHz) (94MHz) (98MHz) (102MHz) (106MHz) - AliExpress
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antenna - Why does 1/4 wavelength have a ground plane and 1/2 wavelength needs none? - Electrical Engineering Stack Exchange
What would be the length of an antenna operating on 4 mhz? Could it be 1/16 of wavelength or even 1/512 of wavelength? - Quora
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