Design of UWB Planar Monopole Antennas with Etched Spiral Slot on the Patch for Multiple Band-Notched Characteristics

<div>Return loss plot of the monopole antenna with double notch.</div>

International Journal of Microwave Science and Technology

Figure 4: Design of UWB Planar Monopole Antennas with Etched Spiral Slot on the Patch for Multiple Band-Notched Characteristics 