41748549078781_page_190

41748549078781 | page 190 | https://thedailydialectics.com/pdfs/FIOA/41748549078781/41748549078781.pdf

REF ID:A56914 “CONFIBENTIAL- ae -l7l- The traffic evaluation section maintained the radio traffic chart and recorded all guarded frequencies, call signs, and prosigns on lists or index cards. This reference material helped to uncover any organiza- tional changes on the opposing side, such as the…