During trials of the AI Mark VII, it was noticed that identifiable ground returns showed up. This lead TRE to a revival of an earlier idea for the use of radar for navigation and lead Dr Lovell and his team from TRE to investigate further in association with Alan Dower Blumlein and his team at EMI with the end result that EMI were largely instrumental in developing H2S to a production standard.
There is no record that EKCO were directly involved in H2S manufacture, however is fair to say that there was a lot of interchange of information via TRE.
What EKCO did make, were the standard radio transmitter/ receiver units for the bomber fleet, known as T/R 1154/1155.
These were made in another EKCO shadow factory located in Ashton Clinton Nr Aylesbury
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Right: photo shows the T/R 1154/1155 in the Signals Collection Lancaster mock-up
Below:The small radar screen is ‘Fishpond’ warning radar
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H2S radar station in Lancaster |
IWM photo reference number E/MOS/1436 |
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The
above photos show H2S. The colour photo on the left is the H2S
system fitted to the Signals Collection Lancaster mock-up; the photo
on the right is wartime origin. To illustrate how good and how valuable radar was to the bomber fleet in WW2, the following is the story of just one raid as seen from the perspective of the navigator, and I am indebted to ‘Gene’ Porrett (Flight Sergeant at time of raid) of No.83 Pathfinder Squadron) for allowing use of the material.
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