radio operator - USA Voorschrift, Technical Manual, 11-454 Irpl radio propagation handbook : Part 1 : preliminary - USA Voorschrift, Preliminary Technical Manual, 11-499 Radio transmitter 149-A - USA Voorschrift, Technical Manual, 11-822 Radio sets SCR-399-A and SCR-499-A - USA Voorschrift, Technical Manual, 11-281 Trouble shooting and repair of radio equipment - USA Voorschrift, Technical Manual, 11-4000 Schematic diagrams for maintenance of ground radio communication sets - USA Voorschrift, Technical Manual, 11-310 Signal communication equipment directory : radio communication equipment - USA Voorschrift, Technical Manual, 11-227 Radio set SCR-188-A - USA Voorschrift, Technical Manual, 11-233 Radio set SCR-291-A (Direction Finding) - USA Voorschrift, Technical Manual, 11-243 Radio transmitters BC-191-A, BC-191-B, BC-191-C, BC-191-D, BC-191-E, and BC-AA-191 - USA Voorschrift, Technical Manual, 11-800 Radio set SCR-503-A - USA Voorschrift, Technical Manual, 11-246A Radio set SCR-503-B (direction finding) - USA Voorschrift, Technical Manual, 11-246B
