Non-communications signals
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).[1][2][3]
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.[3][4] Foreign instrumentation signals intelligence (FISINT) focuses specifically on non-communications signals emitted by instrumentation, including telemetry signals sent between components of a system.[5]
References
- ↑ Obi-Nwosu, Harry (April 15, 2014). "MILITARY COMMUNICATIONS AND INTELLIGENCE". Practicum Psychologia. 4 (1) – via www.journals.aphriapub.com.
- ↑ "Using OPNET for Modeling of Non-Communications Emitters in an Air Defense Environment". citeseerx.ist.psu.edu.
- ↑ 3.0 3.1 Johnson, Loch K. (January 24, 2007). "Handbook of Intelligence Studies". Routledge – via Google Books.
- ↑ Howe, George (1974). "The Early History of NSA" (PDF) – via nsarchive2.gwu.edu.
- ↑ Mezzanotte, Diane (April 1, 2000). "Infocentricity and Beyond: How the Intelligence Community Can Survive the Challenges of Emerging Technologies, Shrinking Budgets, and Growing Suspicions" – via apps.dtic.mil.
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