The Effect of Indentation Angle of Koch Fractal Boundary  on the Performance of Microstrip Antenna

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Iteration</td><td align="center">fr for indentation
 angle 10<sup>°</sup> (MHz)</td><td align="center">fr for indentation angle 60<sup>°</sup> (MHz)</td><td align="center">Shift (MHz)</td><td align="center">% reduction of fr</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">1st</td><td align="center">2492</td><td align="center">2311</td><td align="center">181</td><td align="center">7.26%</td></tr><tr><td align="left">2nd</td><td align="center">2475</td><td align="center">2116</td><td align="center">359</td><td align="center">14.5%</td></tr><tr><td align="left">3rd</td><td align="center">2468</td><td align="center">2048</td><td align="center">420</td><td align="center">17%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Percentage reduction of resonant frequency with iteration and
indentation angles.

International Journal of Antennas and Propagation

tab2

Table 2

Table 2: The Effect of Indentation Angle of Koch Fractal Boundary  on the Performance of Microstrip Antenna 