{TAIL ~ the electrode} is located close to a portion where the electric field intensity generated by the electromagnetic waves becomes strong in the antenna when {HEAD ~ the electromagnetic waves} are fed to the antenna 
{ TAIL ~ the electrode } is located close to a portion where the electric field intensity generated by the electromagnetic waves becomes strong in the antenna when { HEAD ~ the electromagnetic waves } are fed to the antenna
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH