Linear array of four Vivaldi aerials
<a href="//commons.wikimedia.org/wiki/User:Bin_im_Garten" title="User:Bin im Garten">Bin im Garten</a>
<a href="//commons.wikimedia.org/wiki/File:ILA_Berlin_2012_PD_129.JPG" title="File:ILA Berlin 2012 PD 129.JPG">File:ILA_Berlin_2012_PD_129.JPG</a>