International Journal of Microwave Science and Technology / 2015 / Article / Fig 7

Research Article

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

Figure 7

Surface current distribution: (a) 3.57 GHz, (b) 5.12 GHz, (c) 6 GHz, (d) 8.21 GHz, and (e) 9 GHz.

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