Traffic Analysis Section and Overseas Traffic Reports
8/1945
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Original caption states: "Traffic Analysis: On the right a member of the Logging and Editing Unit, Traffic Analysis Section, logs traffic prior to IBM processing. At left, overseas traffic reports are being tabulated on a precedence breakdown form prior to being graphed in the Graph Unit. On the wall is a Weekly Flow Map showing percentage of traffic flow variations to various overseas headquarters."
This primary source comes from the Records of the National Security Agency/Central Security Service.
Full Citation: Traffic Analysis Section and Overseas Traffic Reports; 8/1945; NR 2980 CBNM11A 11563A 19450800 Pictorial History of the Signal Security Agency; Historic Cryptographic Records, 1952–1981; Records of the National Security Agency/Central Security Service, Record Group 457; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/traffic-analysis, April 30, 2024]Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.