noun
Broadcasting term for the main station that produces and distributes programs to affiliate stations. Often contrasted with 子局 (affiliate station).
See also: キー局
東京の親局から全国の系列局に番組が配信される。
Programs are distributed from the key station in Tokyo to affiliate stations nationwide.
noun
master station
Computing term for a station that controls or coordinates other stations in a network.
このネットワークでは親局がすべての通信を管理している。
In this network, the master station manages all communications.