I have come across references to heavy anti aircraft guns being fired using GL radar on 'CV2'. Could someone tell me what 'CV2' is?
I don't know if this helps or hinders, but perhaps CV2 (possibly 'continuous vector (ing) version 2) that was an updated system from CW (continuous wave) and would presumably keep the guns aimed on a specific target. http://www.vectorsite.net/ttradar_2.html#m6 CONTINUOUS WAVE RADARS * Simple continuous wave detectors and radars were discussed in the previous chapter. During the war, "proximity fuzes" were developed for anti-aircraft gun shells, allowing the shells to be triggered when they passed within a lethal radius of a target. Coupled with radar-guided automatic tracking, the proximity fuze helped boost the lethality of antiaircraft guns by a large factor. Such fuzes could be thought of as CW radars, but that's stretching the definition of the term "radar": they simply generated a continuous radio signal and at close ranges, the "near field", the presence of a target would "load down" the oscillator generating the signal and changing its frequency of oscillation, which triggered the fuze. The term "proximity detector" seems more suitable. also: http://www.fortgilkicker.co.uk/radar.htm The radar set worked in the five-metre band and was used for early warning and fire control. It could see an aircraft coming at 50,000 yards or more (30 miles). It could follow it continuously at 30,000 yards (17 miles) and could control Heavy Anti-Aircraft fire when the target reached 14,000 yards (8 miles). Then range accuracy narrowed to under 50 yards.
Thank you TD! Much appreciated, and looks as though it goes a long way to answering this question, and interestingly another one inadvertently! In looking round the UK for AA gun sites, I came across this one south of Edinburgh at Liberton that has a large circular area adjacent to it, which according to 'Royal Commission on the Ancient and Historical Monuments of Scotland' contains a large circular area that was used for radar - as described in your second attachment. The site is in a very good condition considering, the earth mounds around the emplacements still largely being in existence. Difficult to get to as it's on private land, and behind an electric fence, which would probably save it from the inevitable graffiti artist.
In further research, and quite by coincidence, have come across an A.A. definition of 'C.V.2', as being: 'Constant following Vickers Predictor with G.L.II'.
Hi HAARA Another snippet of info and perhaps a line worth chasing up re EMI During and after the Second World War, the EMI Laboratories in Hayes, Hillingdon developed radar equipment (including the receiver section of the British Army's GL-II anti-aircraft fire-control radar) Extracted from : http://en.wikipedia.org/wiki/EMI
No reference to a CV2 - but a very interesting site nonetheless http://www.skylighters.org/howalightworks/#top Also found: CV Continuously variable oscillator within the indicated bands. CVE Continuously variable oscillator within tlte indicated bands (For emergency use-reduced stability).
