MIL-D-81980 (AMENDMENT 1), MILITARY SPECIFICATION: DESIGN AND EVALUATION OF SIGNAL TRANSMISSION SUBSYSTEMS, GENERAL SPECIFICATION FOR (14-AUG-1975)

MIL-D-81980 (AMENDMENT 1), MILITARY SPECIFICATION: DESIGN AND EVALUATION OF SIGNAL TRANSMISSION SUBSYSTEMS, GENERAL SPECIFICATION FOR (14-AUG-1975)., This amendment forms a part of Military Specification MIL-D-81980(As) dated 24 September 1974 and is approved for use by the Naval Air Systems Command, Department of the Navy.