Microwave Passive Direction Finding

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2. Turner, E., "Spiral Slot Antenna," U.S. Patent 2,863,145, Dec. 1958.
3. Booker, H. G., "Slot Aerials and Their Relation to Complementary Wire Aerials," Journal Institute of Electrical Engineering, Pt. IIIA, 1946, pp. 620 ff.
4. Kaiser, J. A., "The Archemedian Two-Wire Spiral Antenna," IRE Transaction AP-8, 1960, p. 313.
5. Rumsey, V. H., Frequency Independent Antennas, New York: Academic Press, 1966.
6. Dyson, J., "The Unidirectional Equiangular Spiral Antenna," IRE Transaction AP-7, Oct. 1959.
7. DuHammel, R. H., and D. E. Isbell, "Broadband Logarithmically Periodic Antenna Structures," IRE Intern. Conv. Record, 1957, pp. 119 ff.
8. Marchand, N., "Transmission-Line Conversion," Electronics, Dec. 1944, pp. 142 ff.
9. McLaughlin, J., D. Dunn, and R. Grow, "A Wide-Band Balum," IRE Transactions on Microwave Theory and Techniques, July 1958, pp. 314 ff.
10. Stutzman, W., and G. A. Thiele, Antenna Theory and Design, New York: Wiley, 1981, p. 283.
11. "Antennas, Masts, Mounts and Adapters," AEL Catalog 7827.5M, American Electronic Laboratories, Lansdale, PA, 1982, p. 46.
12. Hahn, G., and R. Honda, "Conical Spiral Arrays for Passive Direction Finding," USAF Antenna Symposium Proceedings, Allerton Park, Monticello, IL, Oct. 1968.
13. Kaiser, J., H. Smith, W. Pepper, and J. Little, "A...