MIL-R-55698A, MILITARY SPECIFICATION: RADIO SET GROUP OA-1387( )/GRC (UNITS OF) () [CANCELLED W/ NO S/S DOCUMENT]

MIL-R-55698A, MILITARY SPECIFICATION: RADIO SET GROUP OA-1387( )/GRC (UNITS OF) (21-JAN-1972) [CANCELLED W/ NO S/S DOCUMENT]., This specification covers the following units of radio relay equipment designated Radio Set Group OA-1387 ( ) /GRC