TM 11-2601 / TO 16-30TRC-5 – AN/TRC Radio Sets & Relay Equipment Technical Manual (December 1951)

Original U.S. Army and U.S. Air Force joint technical manual TM 11-2601 / TO 16-30TRC-5, dated December 1951. Covers the operation, maintenance, and servicing of AN/TRC series Radio Sets, Radio Terminal Sets, Radio Relay Sets, and associated Amplifier Equipment including AN/TRC-1 through AN/TRC-4 variants and AN/TRA-1 amplifier systems. These microwave and radio relay systems were critical components of early Cold War military communications networks, providing long-distance voice and data links for command and control operations. An excellent reference manual for collectors of military communications, Signal Corps equipment, and early Cold War electronics.