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2. ındra ELINT‐FD System.Available athttp://www.indracompany.com access date: 15 October 2015
3. Ultra Electronics UltraEAGLE ULR‐501 Ground Mobile Tactical ESM/ELINT System.Available athttps://www.ultra‐tcs.com/files/datasheets/Ultra_TCS_UltraEAGLE_ULR‐501.pdf Access date: 15 October 2015
4. Trimmer B.D. Barker L.V.: ‘Signal detection: future receiver technologies’.IEE Colloquium on Signal Processing in Electronic Warfare January1994 pp.3/1–3/7