Non-communications signals explained

In signals intelligence (SIGINT), non-communications signals are any signals sent out for a purpose other than communicating information. This includes radar emissions and emissions from instrumentation (which provide information, but are not sent out for the purpose of providing information to others).

Electronic signals intelligence (ELINT), which came to be studied in great detail after World War II, attempts to detect and analyze enemy non-communications signals. Foreign instrumentation signals intelligence (FISINT) focuses specifically on non-communications signals emitted by instrumentation, including telemetry signals sent between components of a system.

References

[1] [2] [3] [4]

Notes and References

  1. MILITARY COMMUNICATIONS AND INTELLIGENCE . Harry . Obi-Nwosu . April 15, 2014 . Practicum Psychologia . 4 . 1 . www.journals.aphriapub.com .
  2. Book: Johnson , Loch K. . Handbook of Intelligence Studies . January 24, 2007 . Routledge . 9781135986889 . Google Books .
  3. Web site: The Early History of NSA . George . Howe . nsarchive2.gwu.edu . 1974 .
  4. Web site: Infocentricity and Beyond: How the Intelligence Community Can Survive the Challenges of Emerging Technologies, Shrinking Budgets, and Growing Suspicions . https://web.archive.org/web/20210415200527/https://apps.dtic.mil/sti/citations/ADA382121 . live . April 15, 2021 . Diane . Mezzanotte . April 1, 2000 . apps.dtic.mil .

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