Dave ForsterDave Forster has been researching Elint and other intelligence subjects for the last 20 years with particular interest in electronic warfare systems. Dave's interest in avionics and their development have led him to cooperate with a number of authors with his specialist knowledge of the history and technology of the field making him a valued contributor. This has led him to research many of the more technical and scientific aspects of the RAF history including Elint, radiological sampling and navigation systems. Read More Read Less