Apollo Training, Telecommunication Subsytem, Block II. The study guide is divided into sections covering antennas, audio inte...

Apollo Training, Telecommunication Subsytem, Block II. The study guide is divided into sections covering antennas, audio interfaces, television, timing equipment, data storage, up and down links including HF, VHF, and S-band frequencies. Extensively illustrated. Approximately 8.5x11 inches and 129 pages; paper wrappers, gone on spine; occasional anonymous manuscript notes throughout. (ECR)NAA, May 1967