Series-Fed Microstrip Array Antenna with Circular Polarization

<table>Measured results for the three array prototypes; <svg height="12.4375" id="M4" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 45.299999 12.4375" width="45.299999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> mm. (a) Return loss. (b) Axial ratio.</table>

International Journal of Antennas and Propagation

Series-Fed Microstrip Array Antenna with Circular Polarization

Figure 4