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JK EW Consultancy Limited exists to provide consultancy support in non-communications Electronic Warfare (EW) to UK and overseas defence ministries, and to UK and overseas defence industries.

Julian Grenfell has some 35 years experience in operational EW with the Royal Air Force, and engineering EW working for defence companies that include GEC, MEL, Thorn EMI, Racal, and Mass Consultants.  Julian, an ex military aviator with some 4,500 hours flying time, is now a Chartered Mathematician, a member of the Institute of Mathematics (MIMA), a Chartered Scientist, and a member of the Institute of Engineering and Technology (IET).