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Topic: VHF omnidirectional range

	VHF omnidirectional range - Wikipedia, the free encyclopedia
		VORs broadcast a VHF radio signal encoding both the identity of the station and the angle to it, telling the pilot in what direction he lies from the VOR station in relation to the earth's magnetic North, referred to as the radial.
		The VOR is indicating that the aircraft is on the 254 degree radial, west-southwest "from" the VOR station.
		VOR stations are used as intersections along airways.
	en.wikipedia.org /wiki/VHF_omnidirectional_range (2092 words)

	VHF omnidirectional range - Biocrawler (Site not responding. Last check: 2007-11-01)
		VOR, short for VHF Omni-directional Range, is a type of radio navigation system for aircraft.
		VORs broadcast a VHF radio signal encoding both the identity of the station and the angle to it, telling the pilot in what direction he lies from the VOR station, referred to as the radial.
		When the aircraft passes overhead a VOR station, it enters the cone of confusion, an imaginary inverted cone, where it cannot correctly identify its radial (and distance for DME).
	www.biocrawler.com /encyclopedia/VOR (1999 words)

	VOR - Search Results - MSN Encarta
		The basic electronic navigation system in use is the VHF omnidirectional range (VOR) system.
		VOR consists of a series of radio stations that beam...
		VHF omnidirectional range (VOR or omnirange) is an electronic navigation system used mainly by airplanes and air traffic control.
	ca.encarta.msn.com /VOR.html (52 words)

	Encyclopedia :: encyclopedia : VHF omnidirectional range (Site not responding. Last check: 2007-11-01)
		In addition VORs have limited maximum ranges of between 25–130 nautical miles (46–240 km), which means that an extensive network of stations needs to be used to provide reasonable coverage along main air routes.
		However, this also means that the signals do not operate "over the horizon"; VOR is line-of-sight only, limiting the maximum operating radius to 130 nmi (240 km).
		The only thing lacking in such a system is a known ground location — flight directors know directions, not locations — but this can be easily calculated by listening to one of the stations to identify it, and then finding it on a chart.
	www.hallencyclopedia.com /VHF_omnidirectional_range (1920 words)

	Vor - Wikipedia, the free encyclopedia
		The Vor of Barrayar, the noble families of Barrayar in the Vorkosigan Saga.
		VHF omnidirectional range (VOR) is a radio navigation aid.
		The vestibulo-ocular reflex (VOR) is a reflex eye movement.
	en.wikipedia.org /wiki/VOR (115 words)

	8-8 (Site not responding. Last check: 2007-11-01)
		The word “omni” means all, and an omnidirectional range is a VHF radio transmitting ground station that projects straight line courses (radials) from the station in all directions.
		The VOR transmitting station can be positively identified by its Morse code identification or by a recorded voice identification which states the name of the station followed by the word “VOR.” Many Flight Service Stations transmit voice messages on the same frequency that the VOR operates.
		VOR receivers are designed with an alarm flag to indicate when signal strength is inadequate to operate the navigational equipment.
	avstop.com /AC/8-8.html (2961 words)

	[No title]
		VOR is an improvement compared to the A-N method which suffer from reflection.
		Ranges vary from 25 to 200 nautical miles depending on the type of VOR.
		The VOR receiver on board the aircraft measures the phase difference between the two signals to determine the azimuth angle of the aircraft in relations to the VOR transmitter.
	www.aerothai.com /education.htm (1258 words)

	VOR Navigation
		The VHF Omnidirectional Range navigation system, VOR, was probably the most significant aviation invention other than the jet engine.
		In the Sandy Point VOR to the left, note first that the arrow on the 0° radial points away from the center of the compass rose.
		The aircraft isn't on the 345° radial because that radial extends from the Omni to the northwest as shown by the arrow.
	www.navfltsm.addr.com /vor-nav-pt1.htm (1708 words)

	VHF omnidirectional range - Free net encyclopedia (Site not responding. Last check: 2007-11-01)
		Image:Vor.gif A typical mechanical VOR display consists of a compass dial (usually called a compass card) surrounding a vertical needle and a To/From indicator.
		Image:VOR on sectional.gif VOR stations are used as intersections along airways.
		VOR systems are internally monitored so that it will shutdown if the station error exceeds 1.0°.
	www.netipedia.com /index.php/VHF_omnidirectional_range (2020 words)

	VOR - Visions Of Reality
		Very High Frequency Omnidirectional Range, navigational equipment which helps pilots navigate to and from a given VOR station.
		VOR is the most commonly used radio navigation aid in private flying.
		A VOR station transmits a signal that the receiver can use to calculate its postion relative to or from the station.
	www.auditmypc.com /acronym/VOR.asp (479 words)

	Search Results for "VHF" (Site not responding. Last check: 2007-11-01)
		VHF Radio waves with frequencies between 30 and 300 megahertz.
		VHF A band of radio frequencies falling between 30 and 300 megahertz....
		A very-high-frequency (VHF) omnidirectional radio range transmits a reference signal and another...
	www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=&query=VHF (246 words)

	Navaids
		Marker beacons are VHF transmitters operating at 75 MHz.The Outer Marker (OM) is used to indicate that an aircraft should intercept the glide path when over the transmitter.
		V.O.R(VHF Omni Directional Range) is a ground-based navaid which gives to the aircraft pilot the capability to know the aircraft azimuth site È from the magnetic North and needle VOR, independently from the route and in regard with aircraft receiver.
		VOR is a transmitter operating in the frequency range of 108-118MHz.
	www.hcaa-eleng.gr /en/systems/navaids_en.html (664 words)

	TSB Reports - Air 2001 - A01W0160
		ACA3697 was cleared to proceed westbound at FL350 on Airway J504 to the Empress VOR (VHF omnidirectional radio range) (YEA), Airway J476 to the ALOMO intersection, and then to the Calgary airport via a published STAR.
		Range halos were not selected for any of the aircraft involved in the incident.
		The Empress VOR is a common crossing point for eastbound and westbound traffic operating through the Alsask sector of Edmonton ACC.
	www.bst.gc.ca /en/reports/air/2001/A01W0160/A01W0160.asp (2219 words)

	COM - 3.0 RADIO NAVIGATION AIDS (Site not responding. Last check: 2007-11-01)
		The VHF Omnidirectional Range (VOR) is a ground-based, short distance NAVAID which provides continuous azimuth information in the form of 360 usable radials to or from a station.
		As VOR is the primary NAVAID and is used extensively in Canada, it is important that the accuracy of the aircraft equipment be checked in accordance with principles of good airmanship and aviation safety.
		VOR check point signs indicate a location on the aerodrome manoeuvring surface where there is a sufficiently strong VOR signal to check VOR equipment against the designated radial.
	www.tc.gc.ca /CivilAviation/publications/tp14371/COM/3-1.htm (15819 words)

	Aeroflex Announces New IFR 4000 Navigation Communications Ramp Test Set
		VOR (VHF Omnidirectional Range) Mode is a system combining ground-based and airborne equipment to provide bearing to or from a ground station.
		VOR is used for position fixing, maintaining course track and navigating along established airways.
		The measurement range is 1 to 10 MHz.
	www.aeroflex.com /aboutus/pressroom/newsrelease/ifr2003/pr265.htm (1379 words)

	VOR Navigation
		In any event, the VOR needle has swung to the left, indicating that the aircraft must move to the left to return to course.
		The VOR indicator is smart enough to know when a usable signal has not been received and displays an "OFF" flag, a red and white barber-pole striped flag in the gauge in the illustration to the left.
		To calibrate a VOR, the pilot tunes in the VOT frequency while on the ground (in rare instances this check is performed in the air).
	www.navfltsm.addr.com /vor-nav.htm (2095 words)

	Navigation - MSN Encarta
		A VOR station located at an airport broadcasts a very high frequency (VHF) radio signal in all directions.
		The military uses a specialized version of the VOR called tactical air navigation (TACAN) or a combination VOR/TAC system.
		In inertial navigation, a set of highly sophisticated electronic instruments uses the principles of dead reckoning navigation to track a craft’s changing position and maintain its course.
	encarta.msn.com /encyclopedia_761574467_5/Navigation.html (1306 words)

	bioSHDPioneerSpeech
		The VOR versus TACAN azimuth controversy was particularly pointless.
		VOR was a land-based system, already well established, which provided omni range service at a lower airborne cost than anything else, particularly if the aircraft were also equipped with an instrument landing system (ILS).
		Increasing use is also being made of airborne area-navigation computers which, taking their inputs from the VOR and DME, allow an aircraft to fly a direct path from one point to another, whether or not this path is on a VOR radial.
	www.dodingtonfamily.org /bioshdpioneerspeech.htm (4041 words)

	radio range
		Radio ranges are usually unattended; they emit either repeated call letters or steady signals that are periodically interrupted by station identification letters in Morse code.
		A very-high-frequency (VHF) omnidirectional radio range transmits a reference signal and another signal that varies from the reference according to the bearing of the receiver.
		Radio ranging is being made obsolete by the Global Positioning System (GPS), which uses a network of orbiting satellites to precisely locate the position of an aircraft or ship.
	www.factmonster.com /ce6/sci/A0840944.html (394 words)

	NF2G Scannist Glossary - V (Site not responding. Last check: 2007-11-01)
		VHF radio frequencies (118 to 138 MHz AM mode).
		A combination VOR and TACAN device is called a VORTAC.
		A VOR station resembles a giant bowling pin and transmits between 108 and 117.975 MHz with an audio tone at 1020 Hz.
	www.nf2g.com /scannist/glossary_v.html (150 words)

	ch7 (Site not responding. Last check: 2007-11-01)
		Long range navigation in a control area (CTA) requires that the aircraft be navigated to the degree of accuracy required for the control of air traffic; that is, the aircraft should remain within one-half of the lateral separation standard from the centerline of the assigned track.
		Due to the inherent "line of sight" limitations of VHF radio equipment used for international oceanic airspace communications, aircraft operating on an IFR or controlled VFR flight plan beyond VHF communications capability are required to maintain a continuous listening watch and communications capability on the assigned HF frequencies.
		Except in an emergency, the use of relay on VHF through aircraft operating at higher altitudes is not an acceptable method of communication with ATC.
	avstop.com /Seaplane/70/ch7.html (2144 words)

	AS 532 (Horizon) Cougar
		The helicopter is equipped with a long range multi-mode retractable pulse Doppler radar.
		The radar range is 200 km with the helicopter operating at an altitude of 4000 m and a cruise speed of 180 km per hour.
		Standard equipment includes a VHF omnidirectional radio range equipment (VOR), instrument landing system (ILS), radar altimeter and a global positioning system (GPS).
	www.defencejournal.com /jan99/cougar.htm (410 words)

	CVOR/DVOR (Site not responding. Last check: 2007-11-01)
		The VOR is the international standard for short-range navigation providing bearing information to the pilot.
		The Thales Conventional VOR (CVOR 431) and Doppler VOR (DVOR 432) systems are the culmination of over 40 years of continuous development and the experience of supplying these systems throughout the world.
		The result is VOR systems that exhibit excellent performance and reliability complimented by simplified maintenance requirements and low life cycle costs.
	www.airsysatm.thomson-csf.com /produits/CVORDVOR.htm (257 words)

	Navaids - Enroute
		DME capability is indicated by a small "D" preceding the VOR frequency at frequency paired navaids.
		VOR and VORTAC navaid operational ranges are identified (when known) within the navaid box except on USA and Canada charts.
		When TACAN or DME are not frequency paired with the VOR, the TACAN is identified separately.
	www.simtakeoff.com /legend/fic9vb.htm (374 words)

	VHF omnidirectional range \| TutorGig.co.uk Encyclopedia (Site not responding. Last check: 2007-11-01)
		'VOR', de sus siglas en ingles VHF Omni-directional Radio Range, is a type of radio navigation system for aircraft.
		The only thing lacking in such a system is a known ground location — flight directors know directions, not locations — but this can be easily calculated by listening to one of the stations to identify it, and then finding it on a chart.
		Popular Music See all 219 results in VHF omnidirectional range..
	www.tutorgig.co.uk /ed/VHF_omnidirectional_range (2057 words)

	Bethel Surface Areas (Site not responding. Last check: 2007-11-01)
		On February 20, 2001, a proposal to amend part 71 of the Federal Aviation Regulations (14 CFR part 71) to revise the Class E airspace at Bethel, AK, was published in the Federal Register (66 FR 10861).
		The Bethel VOR RWY 36 instrument approach, with a procedure turn at 1,600 feet, allows aircraft to descend to 700 feet after the procedure turn is completed.
		With the adoption of this proposal, the FAA intends to simultaneously cancel the VOR RWY 36 instrument approach and shorten the Class E airspace to the southwest of Bethel.
	www.alaska.faa.gov /at/nprm/Bethel.htm (954 words)

	TSB Reports - Air 2001 - A01C0155
		NWA853 requested and received clearance to climb to FL370 approximately 43 nautical miles (nm) southeast of the Red Lake, Ontario, VOR (VHF omnidirectional range).
		When NWA853 was approximately 35 nm southeast of the Red Lake VOR, the air traffic controller noticed that the two flights were at the same altitude, travelling toward each other on reciprocal tracks.
		ACA3578 was at FL370 eastbound toward the Red Lake VOR (VHF omnidirectional radio range) and was cleared after Red Lake to Sioux Lookout and then to the Marathon VOR, as was shown on the flight progress strip.
	www.bst.gc.ca /en/reports/air/2001/A01c0155/A01c0155.asp (3615 words)

	Airport - Wikipedia, the free encyclopedia
		Some airports are equipped with a VHF omnidirectional range (VOR) to help pilots find the direction to the airport.
		VORs are often accompanied by a Distance Measuring Equipment (DME) to determine the distance to the airport.
		In poor weather, pilots will use an Instrument Landing System to find the runway and fly the correct approach, even if they cannot see the ground.
	en.wikipedia.org /wiki/Airport (4353 words)

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