Design of Multilevel Sequential Rotation Feeding Networks Used for Circularly Polarized Microstrip Antenna Arrays

<table>Measured and simulated radiation patterns of the 64-element CP antenna arrays at 29 GHz: (a) <i><i>φ</i></i> = 0°, (b) <i><i>φ</i></i> = 90°. </table>

International Journal of Antennas and Propagation

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Figure 14

Figure 14: Design of Multilevel Sequential Rotation Feeding Networks Used for Circularly Polarized Microstrip Antenna Arrays 