41748549078781_page_204

41748549078781 | page 204 | https://thedailydialectics.com/pdfs/FIOA/41748549078781/41748549078781.pdf

REF ID:A56914 -CONFIDENTIAL- “Secuty-tnternation— 181. were progressively eliminated, the radio agents imitated more and more the German techniques and thus confronted German radio intelligence with formidable problems. Originally simple and easily observed, enemy systems became increasingly…