Abstract
Authors have proposed a Triple-Band Circularly-Polarized square microstrip antenna with 2 pairs slits and have clarified operational principles of the antenna. In the antenna, the three frequency ranges which can be tuned are narrow. In this paper, the three frequency ranges are widen by changing the shape of the 2 pairs slits. By simulations, the relationships between the parameters of the slits and the three operational frequencies are clarified. Moreover, antenna for GPS (L1, L2 and L5 bands) is designed.
