Rugged militarized Magnetic Bubble Recorder-Reproducer made by Singer-Librascope for an AN/SLQ-32 Electronic Warfare Suite used on US Navy ships, measuring 12.5″ x 8″ x 26″, with an identification plate on the front, reading: "Recorder-Reproducer, Magnetic Bubble, RD-509/G, Ser. No. 022A, B4013682, FSCM 56996, Rev. D(20), Contract No. DAAB07-83-C-J044." In very good to fine condition. The RD-509/G expanded memory unit has a storage capacity of 8 megabytes, a data access rate of 40 milliseconds, and a data transfer rate of 1 megabit per second, meeting the requirements for use with the AN/SLQ-32(V).
Terms and abbreviations used in our descriptions.