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Differing attitudes towards science between Germany and the Allies

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Encountering a couple of problems with H2S and the solutions
Bernard Lovell Astronomer
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One or two other things to say about the H2S equipment particularly. We gradually improved it. My staff began to be increased. There had been an independent development going on for Coastal Command radar. Well that was cancelled and that group was put under my control, so I had achieved now my own group was now quite large and it had a lot of very good people in it, and the H2S equipment was as a result got steadily improved. We were constantly putting in modifications, which very quickly got onto the production line and more and more bomber force were carrying this equipment. But nevertheless we were constantly attacked by our own people in the research department that our equipment was dangerous because the Germans would be able to home in on it and all that sort of thing. Well, my chief contact in Bomber Command was Group Captain Dudley Saward who became a great friend, and Saward, I would go to see him or he would come to see me almost every day, and one day in the early autumn of 1943, he took me out to dinner in Malvern, I remember, and he said- Do you mind if we walk back over the Worcester beacon and I thought there was something on his mind, and he said that- I’m sorry to have to tell you that we had extremely heavy losses last night. The evidence is now perfectly clear that the Germans are homing onto your equipment, and I said- Well how are they doing that Dudley? And he said, Well they’re attacking from the stern and below. Do you know we were around the top of the Worcester beacon and I said- suddenly I looked across and I said- Dudley am I correct in thinking there is no high ground between here and the Urals?, and he said- I think that is so. And I said- Well look here, could you send me a Lancaster Bomber tomorrow and I will do something, so the next day a Lancaster Bomber arose. The answer was very easy. We would give the rear gunner a separate display of the cathode ray tube screen, in which the central region was expanded, so that whereas the navigator was seeing the whole area in front of them, the rear gunner would just see the aerial sky beneath him, right to the ground in which an aircraft could be seen approaching and I sent- a photograph of that is now in my archives in the Imperial War Museum. We fitted it in this plane, which Saward had sent and we arranged for a Mosquito to make an attack, a spoof attack on our aircraft and the result was marvellous. You know, there was the attacking aircraft coming at the spot of light. You could see him slowly approaching our rear gunner. Well of course it became- when this was put into manufacture and use with astonishing speed. It only meant for the manufacture one new cathode ray tube unit and a length of cable. This enabled our rear gunners to deal with the attacking German fighters. The other thing at that time, shortly either before or after that event, Saward came into my office and said, I’m afraid that we’re not doing very well on Berlin. Your H2S equipment doesn’t show up much detail there. Now I had a big map on my office wall of the whole of Europe and I looked at Berlin and saw that below Berlin there were two very big lakes, the Wannsee and another name and I said to Dud, I said, Look, we have a 3 cm equipment that is with a third of the beam width on test. If you could arrange to send six Lancaster’s to Defford, we’ll fit them with this new 3 cm equipment. Now, that happened and in the November of 1943 it was first used to lead the path finder force and the cover of my book, which I wrote very, very much later "Echoes of War", the dust cover of that book has a photograph of the cathode ray tube as the bomber was approaching Leipzig and it shows the clear town of Leipzig and the railway station, with the bombing circle, so Leipzig was devastated that night and a few nights later it was used over Berlin, so the story went on like that. I must say, you know, it was total war in those days, but in later life I’ve being what shall we say? Consoled by the fact that the equipment for which I was made to develop was used so effectively against U-boats as well as destroying and killing so many Germans.

Bernard Lovell (1913-2012), British radio astronomer and founder of the Jodrell Bank Observatory, received an OBE in 1946 for his work on radar, and was knighted in 1961 for his contribution to the development of radio astronomy. He obtained a PhD in 1936 at the University of Bristol. His steerable radio telescope, which tracked Sputnik across the sky, is now named the Lovell telescope.

Listeners: Alastair Gunn Megan Argo

Alastair Gunn is an astrophysicist at Jodrell Bank Observatory, University of Manchester. He is responsible for the coordination and execution of international radio astronomical observations at the institute and his professional research concerns the extended atmospheres of highly active binary stars. Alastair has a deep interest and knowledge of the history of radio astronomy in general and of Jodrell Bank in particular. He has written extensively about Jodrell Bank's history.

Megan Argo is an astronomer at the University of Manchester's Jodrell Bank Observatory researching supernovae and star formation in nearby starburst galaxies. As well as research, she is involved with events in the Observatory's Visitor Centre explaining both astronomy and the history of the Observatory to the public.

Tags: H2S radar, Coastal Command, Malvern, Worcester, Avro Lancaster, Lancaster Bomber, Imperial War Museum, de Havilland Mosquito, Berlin, Leipzig, Dudley Saward

Duration: 6 minutes, 11 seconds

Date story recorded: January 2007

Date story went live: 05 September 2008