WWII US Navy NAVSHIPS 900-613 Model FRA Frequency Shift Receiver Converter Manual RCA 1946 Unisex likely post-Vietnam War era

likely post-Vietnam War era

NAVAER 16-30UPM44-505 Operation Instructions

military contracted Remington for approximately 60

Morgantown

Housed in a blue ACCO binder for storage

WWII US Navy NAVSHIPS 900-613 Model FRA Frequency Shift Receiver Converter Manual RCA 1946 Unisex likely post-Vietnam War eraOriginal U. S. Navy Bureau of Ships Instruction Book for the Frequency Shift Receiver Converter Equipment, Navy Model FRA. Published as NAVSHIPS 900 613 and approved January 8, 1946. Manufactured by the RCA Victor Division, Radio Corporation of America, Camden, New Jersey. The Navy Model FRA was developed to adapt standard Navy communications receivers for frequency shift keying (FSK) reception, allowing reliable reception of high speed radioteletype