RTLS: Direction-Finding Goes to War

[[2]]     Wilhelm Flicke, War Secrets in the Ether, (Laguna Hills, CA: Aegean Press, 1994), pp. 3-9.

[[3]]    R. N. Vyvyan, Wireless Over Thirty Years, (London: George Routledge & Sons, Ltd., 1933), p. 118-119.

[[4]]    Wilhelm Flicke, War Secrets in the Ether, (Laguna Hills, CA: Aegean Press, 1994), pp. 55-61.

[[5]]     Wilhelm Flicke, War Secrets in the Ether, (Laguna Hills, CA: Aegean Press, 1994), p. 21.

[[6]]    Wilhelm Flicke, War Secrets in the Ether, (Laguna Hills, CA: Aegean Press, 1994), p. 30.

[[7]]   R. N. Vyvyan, Wireless Over Thirty Years, (London: George Routledge & Sons, Ltd., 1933), p. 128-129.

[[8]]  Nigel West, The SIGINT Secrets, (New York: William Morrow and Company, 1988), p. 70-74.

[[9]]    Peter J. Hugill, Global Communications Since 1844: Geopolitics and Technology, (Baltimore: Johns Hopkins University Press, 1999), p. 143.

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