royal air force

Britain AA-3 Gun Radar Public manual - operator and maintenance manuals government public released. Frequency 2.750–2.855 GHz PRF 420 Beamwidth ~8 degrees Range 32,000 yards maximum, 27,000 yards against a light bomber Precision ±25 yards, ±1/6th degree at 32,000 yards This document was...

Here's my collection of WWII items from the RAF Museum in Cosford that I visited a little over a year ago. You can see the full album here. (Please like my FB Page too :) )