A Rectangular Planar Spiral Antenna for GIS Partial Discharge Detection

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td align="left">Frequency (MHz)</td><td align="center">300</td><td align="center">500</td><td align="center">800</td><td align="center">1000</td><td align="center">1500</td><td align="center">2000</td><td align="center">3000</td></tr><tr><td align="left">Gain (dB)</td><td align="center">−36</td><td align="center">−23</td><td align="center">−9</td><td align="center">2.5</td><td align="center">4.5</td><td align="center">5.5</td><td align="center">11.7</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Antennas and Propagation

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Table 1

Table 1: A Rectangular Planar Spiral Antenna for GIS Partial Discharge Detection 