track signal

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• Track & Signal — is a railroad related periodical published in Australia. It covers the operating and equipment industries. Predecessors The magazine was previously called Railways of Australia Network. Issue Volume 12 Number 2 is April May June 2008. Cover price …   Wikipedia

• Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… …   Wikipedia

• Signal passed at danger — (SPAD), in railway terminology, describes an event where a train has run beyond its allocated signal block without authority, as indicated by a lineside signal showing danger (typically a red light). It is a term primarily used within the British …   Wikipedia

• Track — or Tracks may refer to:In nature: * Animal tracks, imprints left on surfaces that an animal walk across * Trackway, an ancient route of travel or track used by animalsIn sport: * Track cycling, a bicycle racing sport usually held on specially… …   Wikipedia

• Track warrant — Track warrants are systematized permissions used on some rail lines to authorize use of the main line instead of signals. Train crews receive track warrants by radio, phone, or electronic transmission from a dispatcher. Track warrants are issued… …   Wikipedia

• Signal : Une Aventure dans l'espace — Signal : Une Aventure dans l espace Données clés Titre original Signale Ein Weltraumabenteuer Réalisation Gottfried Kolditz Scénario Gottfried Kolditz Claus Ulrich Wiesner d après l œuvre de Carlos Rasch Acteurs principaux …   Wikipédia en Français

• Track-via-missile — (or TVM) refers to a missile guidance technique which combines features of semi active radar homing (SARH) and radio command guidance. Explanation TVM guidance requires a radar ground station and a missile with a radar receiver. As with semi… …   Wikipedia

• signal box — ► NOUN Brit. ▪ a building beside a railway track from which signals, points, and other equipment are controlled …   English terms dictionary

• Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …   Wikipedia

• Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area …   Wikipedia

• Track circuit interrupter — A track circuit interrupter may be fitted at catch points, trap points or buffer stops to maintain a track circuit in the occupied state in the event of a derailment. The track circuit remains de energised until the interrupter is replaced.… …   Wikipedia