Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Time_signal> ?p ?o }
- Time_signal abstract "A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Church bells or voices announcing hours of prayer gave way to automatically operated chimes on public clocks; however, audible signals (even signal guns) have limited range. Busy ports used a visual signal, the dropping of a ball, to allow mariners to check the chronometers used for navigation. The advent of electrical telegraphs allowed widespread and precise distribution of time signals from central observatories. Railways were among the first customers for time signals, which allowed synchronization of their operations over wide geographic areas. Special purpose radio time signal stations transmit a signal that allows automatic synchronization of clocks, and commercial broadcasters still include time signals in their programming. Today, GPS navigation radio signals are used to precisely distribute time signals over much of the world. There are many commercially available radio controlled clocks available to accurately indicate the local time, both for business and residential use. Computers often set their time from an internet atomic clock source. Where this is not available, a locally connected GPS receiver can precisely set the time using a software application. There are several such applications available to download from the internet.".
- Time_signal thumbnail Time_clocks-1905.jpg?width=300.
- Time_signal wikiPageExternalLink distributed-time-service.html.
- Time_signal wikiPageExternalLink gun.html.
- Time_signal wikiPageExternalLink time_signals.html.
- Time_signal wikiPageExternalLink 1905tim.htm.
- Time_signal wikiPageExternalLink time.
- Time_signal wikiPageExternalLink 1_edinburgh_history_-_time-gun.htm.
- Time_signal wikiPageExternalLink Noon%20Gun.
- Time_signal wikiPageExternalLink Round_House_Precinct,_The.asp.
- Time_signal wikiPageID "182679".
- Time_signal wikiPageLength "17819".
- Time_signal wikiPageOutDegree "126".
- Time_signal wikiPageRevisionID "697047231".
- Time_signal wikiPageWikiLink 9_OClock_Gun.
- Time_signal wikiPageWikiLink A440_(pitch_standard).
- Time_signal wikiPageWikiLink All-news_radio.
- Time_signal wikiPageWikiLink American_Railway_Association.
- Time_signal wikiPageWikiLink Atomic_clock.
- Time_signal wikiPageWikiLink BBC.
- Time_signal wikiPageWikiLink Big_Ben.
- Time_signal wikiPageWikiLink Bonneville_International.
- Time_signal wikiPageWikiLink Bowditchs_American_Practical_Navigator.
- Time_signal wikiPageWikiLink British_Columbia.
- Time_signal wikiPageWikiLink Brockton_Point.
- Time_signal wikiPageWikiLink Buffalo,_New_York.
- Time_signal wikiPageWikiLink CBC_Radio_One.
- Time_signal wikiPageWikiLink CBO-FM.
- Time_signal wikiPageWikiLink CBS.
- Time_signal wikiPageWikiLink CBS_Radio_News.
- Time_signal wikiPageWikiLink CKNW.
- Time_signal wikiPageWikiLink CNR_Radio.
- Time_signal wikiPageWikiLink Canadian_Broadcasting_Corporation.
- Time_signal wikiPageWikiLink Canadian_Radio_Broadcasting_Commission.
- Time_signal wikiPageWikiLink Cape_Town.
- Time_signal wikiPageWikiLink Castel_SantAngelo.
- Time_signal wikiPageWikiLink Category:Horology.
- Time_signal wikiPageWikiLink Category:Time_signal_radio_stations.
- Time_signal wikiPageWikiLink Category:Time_signals.
- Time_signal wikiPageWikiLink Church_bell.
- Time_signal wikiPageWikiLink Citadel_Hill_(Fort_George).
- Time_signal wikiPageWikiLink Citadelle_of_Quebec.
- Time_signal wikiPageWikiLink Civil_defense_siren.
- Time_signal wikiPageWikiLink Clock.
- Time_signal wikiPageWikiLink Eastern_Time_Zone.
- Time_signal wikiPageWikiLink Edinburgh.
- Time_signal wikiPageWikiLink Edinburgh_Castle.
- Time_signal wikiPageWikiLink Extended_Data_Services.
- Time_signal wikiPageWikiLink Fisheries_and_Oceans_Canada.
- Time_signal wikiPageWikiLink Fisherman.
- Time_signal wikiPageWikiLink Global_Positioning_System.
- Time_signal wikiPageWikiLink Greenwich.
- Time_signal wikiPageWikiLink Greenwich_Time_Signal.
- Time_signal wikiPageWikiLink HD_Radio.
- Time_signal wikiPageWikiLink Hour.
- Time_signal wikiPageWikiLink Janiculum.
- Time_signal wikiPageWikiLink KNX_(AM).
- Time_signal wikiPageWikiLink KSL_(radio).
- Time_signal wikiPageWikiLink Liverpool.
- Time_signal wikiPageWikiLink Longwave.
- Time_signal wikiPageWikiLink Loran-C.
- Time_signal wikiPageWikiLink Low_frequency.
- Time_signal wikiPageWikiLink Map.
- Time_signal wikiPageWikiLink Marine_chronometer.
- Time_signal wikiPageWikiLink Monte_Mario.
- Time_signal wikiPageWikiLink National_Research_Council_Time_Signal.
- Time_signal wikiPageWikiLink Navigation.
- Time_signal wikiPageWikiLink Network_Time_Protocol.
- Time_signal wikiPageWikiLink Noon_Gun.
- Time_signal wikiPageWikiLink Perth_Observatory.
- Time_signal wikiPageWikiLink Pope_Pius_IX.
- Time_signal wikiPageWikiLink Port.
- Time_signal wikiPageWikiLink Portsmouth.
- Time_signal wikiPageWikiLink Prayer.
- Time_signal wikiPageWikiLink Radio_Data_System.
- Time_signal wikiPageWikiLink Radio_VNG.
- Time_signal wikiPageWikiLink Radio_clock.
- Time_signal wikiPageWikiLink Radio_propagation.
- Time_signal wikiPageWikiLink Rail_transport.
- Time_signal wikiPageWikiLink Robert_Wauchope_(Royal_Navy_officer).
- Time_signal wikiPageWikiLink Rome.
- Time_signal wikiPageWikiLink Royal_Observatory,_Greenwich.
- Time_signal wikiPageWikiLink Sandford_Fleming.
- Time_signal wikiPageWikiLink Santiago.
- Time_signal wikiPageWikiLink Satellite_navigation.
- Time_signal wikiPageWikiLink Server_(computing).
- Time_signal wikiPageWikiLink Shortwave_radio.
- Time_signal wikiPageWikiLink Signal_Hill_(Cape_Town).
- Time_signal wikiPageWikiLink Smart_Personal_Objects_Technology.
- Time_signal wikiPageWikiLink Speaking_clock.
- Time_signal wikiPageWikiLink Speed_of_light.
- Time_signal wikiPageWikiLink Speed_of_sound.
- Time_signal wikiPageWikiLink Standard_time.
- Time_signal wikiPageWikiLink Stanley_Park.
- Time_signal wikiPageWikiLink Striking_clock.
- Time_signal wikiPageWikiLink Synchronization.
- Time_signal wikiPageWikiLink Telegraphy.
- Time_signal wikiPageWikiLink Tiber.
- Time_signal wikiPageWikiLink Time_ball.
- Time_signal wikiPageWikiLink Time_transfer.