Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/VHF_omnidirectional_range> ?p ?o }
- VHF_omnidirectional_range abstract "VHF Omni Directional Radio Range (VOR) is a type of short-range radio navigation system for aircraft, enabling aircraft with a receiving unit to determine their position and stay on course by receiving radio signals transmitted by a network of fixed ground radio beacons. It uses frequencies in the very high frequency (VHF) band from 108 to 117.95 MHz. Developed in the United States beginning in 1937 and deployed by 1946, VOR is the standard air navigational system in the world, used by both commercial and general aviation. By 2000 there were about 3,000 VOR stations around the world including 1,033 in the US, reduced to 967 by 2013 with more stations being decommissioned with the widespread adoption of GPS.A VOR ground station sends out an omnidirectional master signal, and a highly directional second signal is propagated by a phased antenna array and rotates clockwise in space 30 times a second. This signal is timed so that its phase (compared to the master) varies as the secondary signal rotates, and this phase difference is the same as the angular direction of the 'spinning' signal, (so that when the signal is being sent 90 degrees clockwise from north, the signal is 90 degrees out of phase with the master). By comparing the phase of the secondary signal with the master, the angle (bearing) to the aircraft from the station can be determined. This line of position is called the "radial" from the VOR. The intersection of radials from two different VOR stations can be used to fix the position of the aircraft, as in earlier radio direction finding (RDF) systems. VOR stations are fairly short range: the signals are useful for up to 200 miles. Each station broadcasts a VHF radio composite signal including the navigation signal, station's identifier and voice, if so equipped. The navigation signal allows the airborne receiving equipment to determine a bearing from the station to the aircraft (direction from the VOR station in relation to Magnetic North). The station's identifier is typically a three-letter string in Morse code. The voice signal, if used, is usually the station name, in-flight recorded advisories, or live flight service broadcasts. At some locations, this voice signal is a continuous recorded broadcast of Hazardous Inflight Weather Advisory Service or HIWAS.".
- VHF_omnidirectional_range thumbnail D-VOR_PEK.JPG?width=300.
- VHF_omnidirectional_range wikiPageExternalLink navaids.
- VHF_omnidirectional_range wikiPageExternalLink aim.pdf.
- VHF_omnidirectional_range wikiPageExternalLink Learning_VOR_Sim.aspx.
- VHF_omnidirectional_range wikiPageExternalLink vor-simulator.html.
- VHF_omnidirectional_range wikiPageExternalLink navaids.
- VHF_omnidirectional_range wikiPageExternalLink nav.
- VHF_omnidirectional_range wikiPageID "351899".
- VHF_omnidirectional_range wikiPageLength "42125".
- VHF_omnidirectional_range wikiPageOutDegree "102".
- VHF_omnidirectional_range wikiPageRevisionID "677347572".
- VHF_omnidirectional_range wikiPageWikiLink ARINC.
- VHF_omnidirectional_range wikiPageWikiLink Aeronautical_chart.
- VHF_omnidirectional_range wikiPageWikiLink Aircraft.
- VHF_omnidirectional_range wikiPageWikiLink Airliner.
- VHF_omnidirectional_range wikiPageWikiLink Airway_(aviation).
- VHF_omnidirectional_range wikiPageWikiLink Amplitude_modulation.
- VHF_omnidirectional_range wikiPageWikiLink Andrew_Alford.
- VHF_omnidirectional_range wikiPageWikiLink Area_navigation.
- VHF_omnidirectional_range wikiPageWikiLink Azimuth.
- VHF_omnidirectional_range wikiPageWikiLink Bearing_(navigation).
- VHF_omnidirectional_range wikiPageWikiLink Category:Aeronautical_navigation_systems.
- VHF_omnidirectional_range wikiPageWikiLink Category:Aircraft_instruments.
- VHF_omnidirectional_range wikiPageWikiLink Category:Avionics.
- VHF_omnidirectional_range wikiPageWikiLink Category:Radio_navigation.
- VHF_omnidirectional_range wikiPageWikiLink Chicago_Convention_on_International_Civil_Aviation.
- VHF_omnidirectional_range wikiPageWikiLink Convention_on_International_Civil_Aviation.
- VHF_omnidirectional_range wikiPageWikiLink Course_Deviation_Indicator.
- VHF_omnidirectional_range wikiPageWikiLink Course_deviation_indicator.
- VHF_omnidirectional_range wikiPageWikiLink Detector_(radio).
- VHF_omnidirectional_range wikiPageWikiLink Direction_finding.
- VHF_omnidirectional_range wikiPageWikiLink Distance_Measuring_Equipment.
- VHF_omnidirectional_range wikiPageWikiLink Distance_measuring_equipment.
- VHF_omnidirectional_range wikiPageWikiLink European_Organisation_for_Civil_Aviation_Equipment.
- VHF_omnidirectional_range wikiPageWikiLink Frequency_modulation.
- VHF_omnidirectional_range wikiPageWikiLink GNSS.
- VHF_omnidirectional_range wikiPageWikiLink GPS.
- VHF_omnidirectional_range wikiPageWikiLink Galileo_(satellite_navigation).
- VHF_omnidirectional_range wikiPageWikiLink Glideslope.
- VHF_omnidirectional_range wikiPageWikiLink Global_Positioning_System.
- VHF_omnidirectional_range wikiPageWikiLink Gravitational_redshift.
- VHF_omnidirectional_range wikiPageWikiLink Hazardous_Inflight_Weather_Advisory_Service.
- VHF_omnidirectional_range wikiPageWikiLink Head-up_display.
- VHF_omnidirectional_range wikiPageWikiLink Hertz.
- VHF_omnidirectional_range wikiPageWikiLink Horizontal_Situation_Indicator.
- VHF_omnidirectional_range wikiPageWikiLink Horizontal_situation_indicator.
- VHF_omnidirectional_range wikiPageWikiLink Instrument_Landing_System.
- VHF_omnidirectional_range wikiPageWikiLink Instrument_flight_rules.
- VHF_omnidirectional_range wikiPageWikiLink Instrument_landing_system.
- VHF_omnidirectional_range wikiPageWikiLink International_Civil_Aviation_Organisation.
- VHF_omnidirectional_range wikiPageWikiLink International_Civil_Aviation_Organization.
- VHF_omnidirectional_range wikiPageWikiLink Local_Area_Augmentation_System.
- VHF_omnidirectional_range wikiPageWikiLink Localizer.
- VHF_omnidirectional_range wikiPageWikiLink Low-frequency_radio_range.
- VHF_omnidirectional_range wikiPageWikiLink Low_frequency_radio_range.
- VHF_omnidirectional_range wikiPageWikiLink MHz.
- VHF_omnidirectional_range wikiPageWikiLink Magnetic_declination.
- VHF_omnidirectional_range wikiPageWikiLink Magnetic_variation.
- VHF_omnidirectional_range wikiPageWikiLink Modulated_continuous_wave.
- VHF_omnidirectional_range wikiPageWikiLink Morse_code.
- VHF_omnidirectional_range wikiPageWikiLink Nautical_mile.
- VHF_omnidirectional_range wikiPageWikiLink Non-Directional_Beacon.
- VHF_omnidirectional_range wikiPageWikiLink Non-directional_beacon.
- VHF_omnidirectional_range wikiPageWikiLink Out_of_phase.
- VHF_omnidirectional_range wikiPageWikiLink Phase_(waves).
- VHF_omnidirectional_range wikiPageWikiLink Position_fixing.
- VHF_omnidirectional_range wikiPageWikiLink Position_line.
- VHF_omnidirectional_range wikiPageWikiLink RNAV.
- VHF_omnidirectional_range wikiPageWikiLink Radial_(radio).
- VHF_omnidirectional_range wikiPageWikiLink Radio.
- VHF_omnidirectional_range wikiPageWikiLink Radio_direction_finder.
- VHF_omnidirectional_range wikiPageWikiLink Radio_direction_finding.
- VHF_omnidirectional_range wikiPageWikiLink Radio_navigation.
- VHF_omnidirectional_range wikiPageWikiLink Radio_transmitter.
- VHF_omnidirectional_range wikiPageWikiLink Satellite_navigation.
- VHF_omnidirectional_range wikiPageWikiLink Solid-state_electronics.
- VHF_omnidirectional_range wikiPageWikiLink Solid_state_(electronics).
- VHF_omnidirectional_range wikiPageWikiLink Subcarrier.
- VHF_omnidirectional_range wikiPageWikiLink TACAN.
- VHF_omnidirectional_range wikiPageWikiLink Tactical_air_navigation_system.
- VHF_omnidirectional_range wikiPageWikiLink Transmitter.
- VHF_omnidirectional_range wikiPageWikiLink Transponder_Landing_System.
- VHF_omnidirectional_range wikiPageWikiLink Transponder_landing_system.
- VHF_omnidirectional_range wikiPageWikiLink United_States.
- VHF_omnidirectional_range wikiPageWikiLink VHF.
- VHF_omnidirectional_range wikiPageWikiLink VORTAC.
- VHF_omnidirectional_range wikiPageWikiLink Vacuum_tube.
- VHF_omnidirectional_range wikiPageWikiLink Very_high_frequency.
- VHF_omnidirectional_range wikiPageWikiLink Victor_airways.
- VHF_omnidirectional_range wikiPageWikiLink Wide_Area_Augmentation_System.
- VHF_omnidirectional_range wikiPageWikiLink File:D-VOR_PEK.JPG.
- VHF_omnidirectional_range wikiPageWikiLink File:OceanSideVortac.jpg.
- VHF_omnidirectional_range wikiPageWikiLink File:Table_Rock_VOR.jpg.
- VHF_omnidirectional_range wikiPageWikiLink File:VORTAC_TGO_Aichtal_Germany_01.JPG.
- VHF_omnidirectional_range wikiPageWikiLink File:VOR_Course_Deviation_Indicator_explanation.gif.
- VHF_omnidirectional_range wikiPageWikiLink File:VOR_Tracking.GIF.
- VHF_omnidirectional_range wikiPageWikiLink File:VOR_on_sectional.gif.
- VHF_omnidirectional_range wikiPageWikiLink File:VOR_principle.gif.
- VHF_omnidirectional_range wikiPageWikiLink File:Vor.gif.