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

<table>Measured and simulated radiation patterns of the 4-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

fig10

Figure 10

Figure 10: Design of Multilevel Sequential Rotation Feeding Networks Used for Circularly Polarized Microstrip Antenna Arrays 