Whiz, Since you asked – from the Newark aircraft, here’s the other end of the Electronic Counter Measures kit, nine cans in the bulge at the back end. All but one of the cans were to jam Soviet search radars. The odd one out was a VHF voice jammer – very high tech – four VHF channels.
Originally there were three Red Shrimp, with three Power Units. Two Blue Diver and one Green Palm, the VHF Jammer. There was an L Band Jammer which, I think, meant a Blue Diver being removed.
All, apart from the Green Palm, were water glycol cooled; the pack is at the upper right. The intake, which you can’t see here, is on the right side rear. The white wheels are for winching cans in and out. The heaviest units were the Red Shrimp Power Units, just over 300lbs apiece. ( Incidentally, the pokey out thing at the top is a moveable lever which put a light on in the cockpit just before a tail strike. Very useful for aerodynamic braking.)
In the mid sixties an X Band Jammer was fitted. This was to jam Interception Radar of Soviet fighters. It was light years ahead of previous kit with its own receiver to scan and then lock the transmitter to whatever was looking for you. Whether or not it would have worked with Migs we’ll never know but, on exercise, it would knock seven bells out of Aussie Mirages lining up for a missile pop.
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