FSK sig- nals in worst case jamming," TRW internal memorandum, June 1981. [8] J.K. Omura and B. K. Levitt, "Coded error probability evaluation for antijam communication systems," IEEE Trans. Commun., COM-30, pp. 896-903, May 1982. [9] J. M. Wozencraft and I. M. Jacobs, Principles of Communication Engineering, New York: John Wiley, 1976. [10] I. M. Jacobs, "Probability of error bounds for binary transmission on the slowly fading Rician channel," IEEE Trans. Inform. Theory, IT-12, pp. 431-441, October 1966. [11] B. K. Levitt, "Strategies for FH/MFSK signalling with diversity in worst case partial band noise," in Record of Joint USC/ARO Workshop on "Research References Trends in Military Communications," Wickenburg, AZ, May 1-4, 1983. [12] D. J. Torrieri, Principles of Military Communication Systems, Dedham, MA: Artech House, 1981. [13] J.K. Omura and T. Kailath, "Some useful probability distributions," Technical Report No. 7050-6, Stanford Electronics Laboratories, Stanford University, p. 83, September 1965. [14] B.K. Levitt and J.K. Omura, "Coding tradeoffs for improved performance of FH/MFSK systems in partial band noise," Record of the National Telec- communications Conference (NTC '81), pp. D 9.1.1-D 9.1.5, November 1981. W.E. Stark, "Coding for Frequency-Hopped Spread Spectrum Channels with Partial-Band Interference," Ph.D. Dissertation, University of Illinois, 1982. [16] H. H. Ma and M.A Poole, "Error-correcting codes against the worst-case par- tial-band jammer," IEEE Trans. Commun., COM-32, pp. 124-133, February 1984. [17] J. P. Odenwalder, "Optimal Decoding of Convolutional Codes," Ph.D. Dissertation, University of California, Los Angeles, 1970, pp. 62-68. [18] B. D. Trumpis, "Convolutional Coding for M-ary Channels," Ph.D. Dissertation, University of California, Los Angeles, 1975. A.J. Viterbi and J.K. Omura, Principles of Digital Communication and Coding, New York: McGraw-Hill, 1979, p. 253. [20] J.P. Odenwalder, "Dual-K convolutional codes for noncoherently demodulated channels," in Proceedings of the I