Chasing wolves: an engineer´s view of the Battle of the Atlantic

The Battle of the Atlantic was one of the most protracted and vital episodes of the Second World War; and, more than any other, it was won largely by electronic technology. The author describes the radio system used by German U-boats and how the messages were intercepted by allied forces. The use of HF/DF against the U-boats is described, and in particular the receiving and transmitting antenna systems