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	Tactical Air Navigation - Wikipedia, the free encyclopedia
		The TACAN antenna is the highest antenna in the center of the image.
		The bearing unit of TACAN is more accurate than a standard VOR since it makes use of a two frequency principle, with 15 Hz and 135 Hz components.
		A TACAN system theoretically might be placed on a building, a large truck, an airplane, or a ship, and be operational in a short period of time.
	en.wikipedia.org /wiki/TACAN (617 words)

	GUIDANCE, NAVIGATION AND CONTROL
		The onboard TACAN sets are used for external navigation and for the orbiter during the entry phase and return-to-launch-site abort.
		Since the TACAN units are placed in groups of 10 and 10 TACAN units from one group (primary) form the TACAN half of the minitable, the secondary and alternate runways should be from the same group as the primary runway to assure TACAN coverage.
		TACAN range and bearing cannot be used to produce a good estimate of the altitude position component, so navigation uses barometric altitude derived from the air data system probes, which are deployed by the fight crew at approximately Mach 3.
	science.ksc.nasa.gov /shuttle/technology/sts-newsref/sts-gnnc.html (11375 words)

	Tacan navigation system
		"Tacan" stands for "Tactical Air Navigation" and is a system which, working in the u.h.f.
		There is no limit to the number of aircraft which can simultaneously obtain bearing information from a Tacan beacon but no more than 100 aircraft at a time can obtain distance information.
		The major claim of the Tacan system is that by employing an antenna pattern comprising a main lobe and "ninth harmonic" lobes a nine-fold increase in accuracy is obtained.
	www.radarpages.co.uk /mob/navaids/tacan/tacan1.htm (810 words)

	Combat Sim Check-Lists - F4 section
		Now when you enter a tacan channel in the system, you have to use the HSI (Horizontal Situation Instrument) to navigate.
		and then it's position is given by a radial from a known tacan in the vincinity and by a distance indication given by the DME (Distance Measuring Equipment) which is in the up left corner of the instrument.
		With a little experience, you'll be able to skip the overflying of the known Tacan station.
	users.skynet.be /F4Checklists/F4tacan.htm (708 words)

	F4 Instrument Navigation
		It may help to explain what a TACAN (Tactical Aid to Navigation) is. It is basically a radio beacon that allows you to home in on it using radio direction finding equipment.
		TACAN numbers that end with an X are ground-based TACAN, usually at airbases.
		TACAN are not nicely lined up with the runway, indeed they are generally in the airport buildings off to one side.
	easyweb.easynet.co.uk /~ianboys/f4innav.htm (727 words)

	F-15C ILS/TCN Panel Operation (Site not responding. Last check: 2007-11-03)
		Tacan information except in A/A mode is presented on the horizontal situation indicator (HSI), the attitude director indicator (ADI), and the head-up display.
		TACAN CONTROLS The controls for tacan operation are on the ILS/tacan control panel on the left console, on the steering mode panel on the main instrument panel, and on the HSI.
		T/R Tacan receives bearing signals from the tacan ground station, and in addition, the tacan interrogates the tacan ground station to establish distance from the aircraft to the ground station.
	www.f15sim.com /operation/ils_tcn_panel.html (599 words)

	Fernau Avionics Limited
		The 2010 TACAN has set new standards to meet the increasing demands for low life cycle costs, greater reliability, performance and control.
		The 2010 TACAN is present generation equipment which has been developed using the latest technology.
		The 2010 TACAN systems allows for reduced life-cycle costs by the use of the extensive RMM system and site visits are thus reduced to an absolute minimum.
	www.fernau.com /prodinfo/2010tacan.htm (601 words)

	New Navigation Aid Installed at Wright-Patterson - U.S. Department of Defense Transformation News (Site not responding. Last check: 2007-11-03)
		TACAN systems transmit range and bearing information by means of long distance, rotating beams, enabling aviators to accurately assess their position.
		Both the new ILS and TACAN systems are part of the Air Force Materiel Command air traffic control and landing system, which was established to reduce manning.
		The TACAN system here is now undergoing Federal Aviation Administration certification to ensure accurate coverage, and, under an initiative to reduce manpower needs and recapitalize resources, the Air Force is studying the Air Force Materiel Command ATCALS model to determine whether or not to adopt it Air Force-wide.
	www.defenselink.mil /transformation/articles/2006-09/ta091106a.html (470 words)

	Thales (Site not responding. Last check: 2007-11-03)
		TACAN is a short-distance air navigation aid system operating in the frequency range 962 to 1213 MHz.
		The Thales TACAN Ground Equipment AN-453 is a modern transponder with 3 kW output power derived from over 40 years of experience Thales has gained in the field of TACAN systems.
		The result is a TACAN transponder with excellent performance and reliability complemented by simplified maintenance requirements and low life cycle costs.
	www.thalesatm.com /produits/1_tacan.htm (514 words)

	NASA WSTF White Sands Space Harbor Navigational Aids (Site not responding. Last check: 2007-11-03)
		The TACAN is a worldwide air traffic navigation system operated by the Department of Defense and used by civilian and military aircraft.
		The TACAN signal ranges to 300 nautical mi (483 km) and is received by the orbiter when it emerges from the reentry flout period.
		TACAN ground installations, known as beacons, provide an L-band (1 gigahertz) signal that indicates the range and magnetic bearing angle from the TACAN antenna to the user.
	www.wstf.nasa.gov /WSSH/NavAids.htm (243 words)

	235th ATCS Equipment (Site not responding. Last check: 2007-11-03)
		The TACAN equipment can be tuned to any one of the 126 X-band channels (962-1024 MHz transmit) (1151-1213 MHz receive).
		If required, the TACAN can be broken down to either single channel configuration with a weight of 750 lbs or to minimum configuration with a weight of 430 lbs.
		The TACAN system requires 28 VDC for operation; however, by using the AC/DC power supply, it can be powered by 120 VAC, 20 AMP commercial power or a 3 kW, 120 VAC Chryco generator.
	www.ncchar.ang.af.mil /235th/equipment.htm (862 words)

	TACAN - Wikipedia
		TACAN is een radionavigatiehulpmiddel voor de militaire luchtvaart.
		Op een speciaal daarvoor bestemd instrument in de cockpit van een vliegtuig kan voortdurend de richting en afstand tot een TACAN-radiobaken worden afgelezen.
		Een combinatie van een VOR en een TACAN op dezelfde locatie wordt een VORTAC genoemd.
	nl.wikipedia.org /wiki/TACAN (147 words)

	FlightSim.Com How To: Use TACAN In FS2000
		Unfortunately, as far as I know, there isn't an FS2000 TACAN radio out there that can pick up these signals for us...however there is a little trick that I discovered that makes these TACAN stations useful.
		To use a TACAN frequency you will need a Flight Information Handbook, or other equivalent which lists paired frequencies for TACAN channels (see the list at the end of the article).
		Now, the TACAN at Vandenberg is channel 59Y, so by looking that channel up in the handbook it gives a equivalent frequency of 112.25 MHz...and presto, we now have DME to go with the ILS so long as we tune the 112.25 into our NAV2 radio and switch our DME guage to Nav2.
	www.flightsim.com /cgi/kds?$=main/howto/tacan.htm (406 words)

	McChord UFO Incident 1972
		The TACAN site was situated on government land maintained by the United State Army, Ft. Lewis.
		Upon their arrival, they opened the locked fence surrounding the TACAN facility and entered the compound.
		Approximately one mile from the TACAN site, Sgt Reid was able to communicate with the security police office, requesting assistance and declaring a "Covered Wagon." Four additional security policemen arrived on scene, including, Sgt Darren Alexander and his military dog-Champ.
	www.ufocasebook.com /mcchord72.html (695 words)

	AN/TRN-41 TACAN
		The TACAN transmits continuous bearing information to an unlimited number of aircraft and provides slant range distance information.
		This TACAN does not possess external monitoring device as required by AFMAN 11-225; therefore, it is not certifiable for IFR use.
		The TACAN must be transmitting identification and at least 100W of power prior to declaring the system operational.
	www.globalsecurity.org /military/systems/aircraft/systems/an-trn-41.htm (129 words)

	Construction 3
		For TACAN operations, we are put on a seven day rotation.
		The TACAN was on top and a sheer drop on three sides.
		He was supposed to have returned to Udorn to meet a team taking a TACAN into the panhandle of Laos but weather kept them socked in until after Thanksgiving.
	limasite85.us /construction_3.htm (1811 words)

	Exchange of notes between Canada and the U.S.A. concerning the establishment in Canada of short range tactical air ...
		The precise location of all sites and roads required for the TACAN facilities in Canada shall be a matter for agreement between the appropriate agencies of the two Governments.
		Procedures for awarding contracts for construction of the TACAN facilities and for the procurement of construction equipment, construction supplies, and related technical services shall be determined by agreement between appropriate agencies of the two Governments.
		The disposal of United States excess property in Canada shall be carried out in accordance with the provisions of the Exchange of Notes of April 11 and 18, 1951 between the Secretary of State for External Affairs and the United States Ambassador in Ottawa, concerning the disposal of excess property.
	www.lexum.umontreal.ca /ca_us/en/cts.1959.10.en.html (1397 words)

	AN/TRN-26 (Deployable TACAN) (Site not responding. Last check: 2007-11-03)
		The TACAN system provides radio navigation information (bearing, identification and distance) to as many as 100 aircraft simultaneously.
		The TACAN has an acquisition range (lock-on) of 35 nautical miles at 1500 ft altitude above unobstructed flat terrain, and a reception range of 100 nautical miles (minimum).
		Associated monitoring equipment provides a continuous check of all significant TACAN parameters, and shuts itself down whenever a fault occurs.
	www.fas.org /man/dod-101/sys/ac/equip/an-trn-26.htm (365 words)

	F/A-18E Mission Builder Tutorial and Help
		The TACANs are now properly set with accurate radials for ILS approach in regard to runway light headings.
		TACAN Mission Template -This is a mission file with TACAN's assigned to all the airfields/airport/airbases.
		Note that the TACAN numbers and abbreviations are mine.
	www.zianet.com /baldeagle/MBTraining.htm (1409 words)

	An error free Tacan List for Balkans theater !!! - Frugal's World of Simulations (Site not responding. Last check: 2007-11-03)
		Anyone who wants, can post his remarks to this thread (after he use the tacan list) and possible data errors that i will correct.
		Another thing is the single TACAN channel being used for multiple airports.
		I test them and others airports that typically have not problem and you are right, to solve the problem you have to change to another random tacan channel and then change back to the same first one.
	forums.frugalsworld.com /vbb/showthread.php?p=1045380 (1179 words)

	87th Stray Dogs >> Sections >> Guides >> Using Tacan
		Tacan comes to use when GPS is unservicable, and when bad weather necessitates an instrument approach, but ILS is not available.
		The Tacan Beacon gives information about the radial the airplane is on.
		Than imagine the Tail of the Beacon pointer (red needle) is the airplane, and the airplane is always flying up.
	www.87th.org /modules.php?name=Sections&op=viewarticle&artid=35 (765 words)

	partially or completely decommissioned
		TACAN is a UHF radionavigation system which is the military counterpart of
		TACAN is often collocated with the civil VOR stations
		TACAN facilities, especially in areas where mountainous terrain is involved due to
	www.navcen.uscg.gov /pubs/frp1996/frp3-17.htm (277 words)

	The Construction of Lima Site 85
		During this period we were advised that unfriendlies had populated the LS85 area and there would be a delay until the area was made safe for us.
		The TACAN was loaded onto a C-123, heading for Lima 20 (Sam Thong).
		At Lima 20, the TACAN was off-loaded from the 123 and slung underneath one of the Chinooks.
	limasite85.us /the_construction_of_lima_site_85.htm (850 words)

	ERE Holding: TACAN Project
		FIXED TACAN SYSTEMS The project which was founded by NATO, in order to modernise existing TACAN (TACtical Air Navigation) system at various Turkish Air Forces (TUAF) sites is awarded to ERE.
		The scope of the project is to replace existing TACAN systems, infrastructural facilities and systems.
		The systems in four different airports are succesfully delivered to TUAF in May 2002, July 2002, October 2002 and May 2003.
	www.ere.com.tr /tacan_en.html (133 words)

	NAS GTMO'S AIMD (Site not responding. Last check: 2007-11-03)
		Well, after leaving GTMO for an Instructor Duty Tour in Memphis, TN, it wasn't long before I was teaching the TACAN section of the school's cirriculum.
		Their mission was to aid in the Refresser Training of ships that came down to GTMO under the cognizance of Fleet Traing Group.
		My TACAN's fit snuggly into the noses of these aircraft with indicators in the cockpit.
	www.angelfire.com /va/godandcountry/nasaimd.html (925 words)

	Simple TACAN/Divert Tutorial by me - Frugal's World of Simulations (Site not responding. Last check: 2007-11-03)
		Input the TACAN channel (that you entered on the panel earlier) on the scratchpad and then press ENTR (press 9, 4, then ENTR).
		You should see CHAN change from 75 (075X, TACAN for Kunsan) to 94 (094X, TACAN for Osan), and naturally, the ILS frequency also changes from 110.30 to 111.30.
		AFAIK, you don't have to enter new TACAN values at PanelB at all, since it is only an auxiliary panel.
	forums.frugalsworld.com /vbb/showthread.php?t=85487 (2026 words)

	AN/URN-25 Tactical Air Navigation System (TACAN) (Site not responding. Last check: 2007-11-03)
		The Tactical Air Navigation (TACAN) System is a line-of-sight, beacon-type, air navigation aid that provides slant range, bearing, and identification information to TACAN-equipped aircraft in determining the aircraft’s position relative to ownship.
		The TACAN system consists of the TACAN Transponder Group AN/URN-25 which operates in conjunction with a solid-state, electronically-scanned, Shipboard TACAN Antenna Group OE-273A(V)/URN, complete with integral monitoring and built-in fault locating capabilities.
		This AN/URN-25 is a dual TACAN system that includes two transponders which provide back-up in case of a transponder failure.
	www.fas.org /man/dod-101/sys/ship/weaps/an-urn-25.htm (97 words)

	TACAN decommissionings
		Justification: Currently the FAA is experiencing difficulty maintaining the above identified TACANS due to equipment problems.
		It has been recommended that it would be more cost effective to decommission the TACANS identified and leave the VOR/DME equipment remaining in each location.
		Public Input: The purpose of this notice is to invite interested persons to submit, in writing, any comments they may have regarding the overall aeronautical aspects of the proposal to decommission these TACANS and leaving the VOR/DME equipment in place as presented in this notice.
	www.alaska.faa.gov /at/notices/tacan-decommissioning.htm (274 words)

	Rantec Microwave Systems, Inc. :: TACAN Antennas :: Military and Commercial Microwave Antenna Design and Manufacturing. ...
		Rantec's TACAN antenna has a thoroughly documented performance, maintenance and operating cost.
		The optimum azimuth accuracy desired for Rantec's electronically modulated TACAN antenna led our engineers to develop this state-of-the-art configuration which features a circular array of 36 vertical, highly efficient, wide-aperture circuits.
		In the unlikely event of a TACAN signal failure, the Rantec antenna automatically switches to DME mode.
	www.rantecmdm.com /tacan.htm (923 words)

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