all-relay signal box

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• Signal (bridge) — In the card game of contract bridge, partners defending against a contract may play particular cards in a manner which gives a signal or coded meaning to guide their subsequent card play; also referred to as carding. Contents 1 Standard signals 1 …   Wikipedia

• signal — {{Roman}}I.{{/Roman}} noun 1 sign/action/sound that sends a message ADJECTIVE ▪ clear, unmistakable ▪ agreed, prearranged ▪ conflicting, confusing, contradictory …   Collocations dictionary

• Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …   Wikipedia

• Broadcast relay station — A broadcast relay station, relay transmitter, broadcast translator (U.S.), rebroadcaster (Canada), or repeater (two way radio) is a broadcast transmitter which relays or repeats the signal of another radio station or television station, usually… …   Wikipedia

• Delay box — is a common slang term used in drag racing to describe an on board timer which is a Transmission Brake Delay Timer. A transbrake forces the race car to remain stationary at the starting line, in gear, regardless of how much engine power is… …   Wikipedia

• Broadcast signal intrusion — is a term given to the act of hijacking broadcast signals of radio and television stations. Hijacking incidents have involved local TV and radio stations as well as cable and national networks. Method of intrusion For analog stations it is… …   Wikipedia

• Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …   Wikipedia

• Mars Global Surveyor — Artist s conception of Mars Global Surveyor Operator NASA Major contractors Orbiter Satellite of …   Wikipedia

• Bideford, Westward Ho! and Appledore Railway — The Bideford, Westward Ho! and Appledore Railway (B, WH A, R) was most unusual amongst British Railways in that although it was built as a standard gauge (4 ft 8½ in (1435 mm)) line, it was not joined to the rest of the railway network, despite… …   Wikipedia

• Mid-Norfolk Railway — Steam hauled train on Danemoor Bank, 2011 Locale England Terminus Dereham Connections Breckland Line: near Wymondham …   Wikipedia

• Doncaster PSB — (Power Signal Box) is a signalling centre on the East Coast Main Line railway in the United Kingdom, principally covering the line from London to Edinburgh but also encompassing other lines diverging and converging to the ECML. The signal box… …   Wikipedia