MIL-T-22143A, MILITARY SPECIFICATION: TELETYPEWRITER, TT-264/AG (20-MAY-1960)

MIL-T-22143A, MILITARY SPECIFICATION: TELETYPEWRITER, TT-264/AG (20-MAY-1960)., The equipment covered by this specification is a transmitting and receiving page printing telegraph set, which may be operated into, or out of, a converter for use over half duplex (simplex) or full duplex radio communication links between aircraft and properly equipped surface stations or other aircraft.