A single feed, dual band 2m/70cm turnstile antenna

2026-05-15

intro

Design of the antenna

Dimensions of the antenna elements
Dimensions of the antenna elements
Current distribution for the 2m band Radiation pattern for the 2m band
XNEC2C simulations for the 2m band
Current distribution for the 70cm band Radiation pattern for the 70cm band
XNEC2C simulations for the 70cm band
Polar plot of the antenna radiation patterns
Polar plot of the antenna radiation patterns

Construction of the antenna

Performances

Picture of the antenna mounted on the roof of my house
Picture of the antenna mounted on the roof of my house