Geographical locations of Luftwaffe signals intelligence intercept outstation locations in the west of Europe, in the middle of 1942. IF-181 Seabourne Report Vol VI PT 2.pdf p.35c
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 Luftwaffe signals organisation in the west, middle of 1941.svg
Blank map of Europe (without disputed regions).svgDerived from;

IF-181 Seabourne Report Vol VI PT 2.pdfInformation from:

Scope creep
Goran tek-en, following request by Scope creep