basic key stationの例文

例文

1. :Additional telephone circuits ( direct line to Toll Board ) will be required in certain cases, between " Basic Key Stations " and other stations to be known as " Relay Key Stations ".
2. The arrangement requires certain telephone circuits ( private wire or direct line to Toll Board ) between the Air Defense Control Centers ( A . D . C . C . ) and specified radio stations to be known as " Basic Key Stations ".
3. Each " Basic Key Station " receiving an alert or warning signal from the A . D . C . C . shall, if so directed, proceed to broadcast a predetermined message and also relay the message by telephone to all " Relay Key Stations " under his control as specified . " CONELRAD was officially introduced on December 10, 1951.