An orthographic line drawing of the APG-4 yagi antenna.
<a href="//commons.wikimedia.org/wiki/User:Noha307" title="User:Noha307">Noha307</a>
<span class="int-own-work" lang="en">Own work</span> created with <a href="https://en.wikipedia.org/wiki/QCAD" class="extiw" title="w:QCAD">QCAD</a> based on <a rel="nofollow" class="external text" href="http://radionerds.com/index.php/File:Antennas_volume_4.pdf">manual page</a> and using <a rel="nofollow" class="external text" href="http://www.ebay.com/itm/374175104673">eBay listing</a> for reference