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In this study, a triple frequency fractal triangular shape microstrip patch antenna is presented for C band applications. The proposed antenna comprises of two triangular shape patches with two triangular slots and excited by a 50 Ω microstrip transmission line. The antenna excites three separate resonant modes where lower resonant mode of the antenna has an impedance bandwidth (VSWR<2) of 50 MHz (5.64-5.69 GHz), middle resonant modes impedance bandwidth 140 MHz (6.47-6.61 GHz) and the upper resonant mode impedance bandwidth of 140 MHz (7.59-7.73 GHz). It has achieved stable radiation pattern in the operating frequency band. The proposed fractal triangular patch antenna is presented and discussed in details.

Triple Frequency Fractal Patch Structure Antenna for C Band Applications