A vintage Thomson-CSF "Stentor" radar, preserved at the museum of Hellenic Army Signal Corps in Haidari. 
Stentor is a  Pulsed-Doppler  battlefiled surveillance radar developed in the early 1980s. It operates on X-band (9400-9600 MHz) with an output power of 60 kW.   (DSCN0819)
<a href="//commons.wikimedia.org/wiki/User:Sv1xv" title="User:Sv1xv">Sv1xv</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Sv1xv" title="User talk:Sv1xv">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Sv1xv" title="Special:Contributions/Sv1xv">contribs</a>)
CC BY 4.0
<a rel="nofollow" class="external free" href="http://www.ipernity.com/doc/777361/51610020">http://www.ipernity.com/doc/777361/51610020</a>