Development for an air defense radar system begun in July 1974, with design finalized in August 1975, consisted of two radars, the 1st being a search radar designated as Type 347S with S stands for search, and a 2nd fire control radar for guns, designated as Type 347G with G as gun. Design was completed by the 723rd Institute in May 1976 and finalized in October 1977.
The development of an air defense radar system began in July 1974, with design finalized in August 1975. The system consisted of two radars: a search radar (Type 347S) and a fire control radar for guns (Type 347G). Design was completed by the 723rd Institute in May 1976 and finalized in October 1977.