Quad band circular polarized antenna

A novel quad band circular polarized stacked patch antenna has been designed for global navigation satellite systems. The presented antenna operates in the three GPS carrier bands (L1, L2, L5) and the 2.3 GHz frequency band. The stacked patch technique has been used while the antenna performances are analyzed in respect to the simulated s-parameters, radiation patterns and axial ratios. The antenna is potentially suitable for use in mobile or satellite communication receivers.