plasma antenna
... that in a plasma antenna, plasma is used instead of the metal elements of a traditional radio antenna?
... that in a <b id="mwC6s"><a href="./Plasma_antenna" id="mwC6w" rel="mw:WikiLink" title="Plasma antenna">plasma antenna</a></b>, <a href="./Plasma_(physics)" id="mwC60" rel="mw:WikiLink" title="Plasma (physics)">plasma</a> is used instead of the metal elements of a traditional <a href="./Antenna_(radio)" id="mwC64" rel="mw:WikiLink" title="Antenna (radio)">radio antenna</a>?