Cutler-Hammer AN/PPS-5 Combat Surveillance Radar
U.S. Army
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/imgsrv/download/pdf?id=uiug.30112075628294;orient=0;size=100;seq=585;attachment=0"><i>Infantry Magazine</i></a>, July-August 1971, Vol. 61, No. 4, Page 24