Good one, David. We come up on "Winchester" -- 303.0 Mhz, when we were doing illegal ACT in T-38s during pilot training. Very immature "Hey Rube!" and "Rat-a-tat-tat", mostly.
Back then we had no separation regs, and T-38s climbed and descended to base on the same TACAN radials. The "Big Sky"...