German U-Boats Radioed Positions — Huff-Duff Triangulated Them In Seconds
On June 17, 1944, Kapitänleutnant Helmut Summer stood in the cramped control room of U-853, roughly 30 nautical miles west of the Azores. The Type IXC submarine had been on station for three weeks, transmitting weather data to headquarters in France every six hours. When the radio operator prepared to send the scheduled report, Summer … Read more