65 relations: Air navigation, Aircraft Owners and Pilots Association, Alaska, Anik (satellite), Area control center, Autoland, Canada, Clock drift, Contiguous United States, Coronal mass ejection, Differential GPS, Distance measuring equipment, Ephemeris, Error analysis for the Global Positioning System, European Geostationary Navigation Overlay Service, Eutelsat, Federal Aviation Administration, Footprint (satellite), Galaxy 15, Geostationary orbit, Global Positioning System, GNSS augmentation, GPS Block IIIA, GPS-aided GEO augmented navigation, GPS·C, Ground segment, Hawaii, Indianapolis, Inmarsat-4 F3, Instrument approach, Instrument flight rules, Instrument landing system, International Civil Aviation Organization, Ionosphere, Joint precision approach and landing system, List of WAAS reference stations, Local-area augmentation system, Localizer performance with vertical guidance, Lockheed Martin, LORAN, Loran-C, Metre, Microwave landing system, MTSAT Satellite Augmentation System, NASA, Navigation paradox, Non-directional beacon, North America, Northern Canada, OmniSTAR, ..., PanAmSat, Quasi-Zenith Satellite System, Receiver autonomous integrity monitoring, Satellite, Space segment, Space weather, StarFire (navigation system), Tactical air navigation system, Telesat, Transponder landing system, U.S. state, United States Department of Defense, United States dollar, VHF omnidirectional range, Western Hemisphere. Expand index (15 more) » « Shrink index
The basic principles of air navigation are identical to general navigation, which includes the process of planning, recording, and controlling the movement of a craft from one place to another.
The Aircraft Owners and Pilots Association (AOPA) is a Frederick, Maryland-based American non-profit political organization that advocates for general aviation.
Alaska (Alax̂sxax̂) is a U.S. state located in the northwest extremity of North America.
The Anik satellites are a series of geostationary communications satellites launched by Telesat Canada for television in Canada, from 1972 through 2013.
In air traffic control, an area control center (ACC), also known as a center (or in some cases, en-route, as opposed to TRACON control), is a facility responsible for controlling aircraft en route in a particular volume of airspace (a Flight Information Region) at high altitudes between airport approaches and departures.
In aviation, autoland describes a system that fully automates the landing procedure of an aircraft's flight, with the flight crew supervising the process.
Canada is a country located in the northern part of North America.
Clock drift refers to several related phenomena where a clock does not run at exactly the same rate as a reference clock.
The contiguous United States or officially the conterminous United States consists of the 48 adjoining U.S. states plus Washington, D.C. on the continent of North America.
A coronal mass ejection (CME) is a significant release of plasma and magnetic field from the solar corona.
Differential Global Positioning Systems (DGPS) are enhancements to the Global Positioning System (GPS) which provide improved location accuracy, in the range of operations of each system, from the 15-meter nominal GPS accuracy to about 10 cm in case of the best implementations.
Distance measuring equipment (DME) is a transponder-based radio navigation technology that measures slant range distance by timing the propagation delay of VHF or UHF radio signals.
In astronomy and celestial navigation, an ephemeris (plural: ephemerides) gives the positions of naturally occurring astronomical objects as well as artificial satellites in the sky at a given time or times.
The analysis of errors computed using the Global Positioning System is important for understanding how GPS works, and for knowing what magnitude of errors should be expected.
The European Geostationary Navigation Overlay Service (EGNOS) is a satellite based augmentation system (SBAS) developed by the European Space Agency and EUROCONTROL on behalf of the European Commission.
Eutelsat S.A. is a European satellite operator.
The Federal Aviation Administration (FAA) of the United States is a national authority with powers to regulate all aspects of civil aviation.
The footprint of a communications satellite is the ground area that its transponders offer coverage, and determines the satellite dish diameter required to receive each transponder's signal.
Galaxy 15 is an American telecommunications satellite which is owned by Intelsat.
A geostationary orbit, often referred to as a geosynchronous equatorial orbit (GEO), is a circular geosynchronous orbit above Earth's equator and following the direction of Earth's rotation.
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
Augmentation of a global navigation satellite system (GNSS) is a method of improving the navigation system's attributes, such as accuracy, reliability, and availability, through the integration of external information into the calculation process.
GPS Block IIIA consists of the first ten (known as "tranche") of GPS III satellites, which will be used to keep the Navstar Global Positioning System operational.
The GPS-aided GEO augmented navigation (GAGAN) is an implementation of a regional satellite-based augmentation system (SBAS) by the Indian government.
GPS·C, short for GPS Correction, was a Differential GPS data source for most of Canada maintained by the Canadian Active Control System, part of Natural Resources Canada.
A ground segment consists of all the ground-based elements of a spacecraft system used by operators and support personnel, as opposed to the space segment and user segment.
Hawaii (Hawaii) is the 50th and most recent state to have joined the United States, having received statehood on August 21, 1959.
Indianapolis is the capital and most populous city of the U.S. state of Indiana and the seat of Marion County.
Inmarsat-4 F3 is a communications I-4 satellite operated by the British satellite operator Inmarsat.
In aviation, an instrument approach, or instrument approach procedure (IAP), is a series of predetermined maneuvers for the orderly transfer of an aircraft under instrument flight conditions from the beginning of the initial approach to a landing or to a point from which a landing may be made visually.
Instrument flight rules (IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations; the other is visual flight rules (VFR).
An instrument landing system (ILS) enables pilots to conduct an instrument approach to landing if they are unable to establish visual contact with the runway.
The International Civil Aviation Organization (ICAO Organisation de l'aviation civile internationale, OACI), is a specialized agency of the United Nations.
The ionosphere is the ionized part of Earth's upper atmosphere, from about to altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere.
The joint precision approach and landing system (JPALS) is a ship's system (CVN and LH type), all-weather landing system based on real-time differential correction of the Global Positioning System (GPS) signal, augmented with a local area correction message, and transmitted to the user via secure means.
Each reference station in the Wide Area Augmentation System includes three GPS antennas.
The local-area augmentation system (LAAS) is an all-weather aircraft landing system based on real-time differential correction of the GPS signal.
Localizer performance with vertical guidance (LPV) are the highest precision GPS (WAAS enabled) aviation instrument approach procedures currently available without specialized aircrew training requirements, such as required navigation performance (RNP).
Lockheed Martin is an American global aerospace, defense, security and advanced technologies company with worldwide interests.
LORAN, short for long range navigation, was a hyperbolic radio navigation system developed in the United States during World War II.
Loran-C was a hyperbolic radio navigation system which allowed a receiver to determine its position by listening to low frequency radio signals transmitted by fixed land-based radio beacons.
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
A microwave landing system (MLS) is an all-weather, precision radio guidance system installed at large airports to assist aircraft in landing.
Multi-functional Satellite Augmentation System (MTSAT or MSAS) is a Japanese satellite based augmentation system (SBAS), i.e. a satellite navigation system which supports differential GPS (DGPS) to supplement the GPS system by reporting (then improving) on the reliability and accuracy of those signals.
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
The navigation paradox states that increased navigational precision may result in increased collision risk.
A non-directional (radio) beacon (NDB) is a radio transmitter at a known location, used as an aviation or marine navigational aid.
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.
Northern Canada, colloquially the North, is the vast northernmost region of Canada variously defined by geography and politics.
OmniSTAR is a satellite-based augmentation system (SBAS) service provider.
The former PanAmSat Corporation founded in 1984 by Reynold (Rene) Anselmo, was a satellite service provider headquartered in Greenwich, Connecticut.
The Quasi-Zenith Satellite System (QZSS) (or in Japanese) is a project of the Japanese government for the development of a four-satellite regional time transfer system and a satellite-based augmentation system for the United States operated Global Positioning System (GPS) to be receivable in the Asia-Oceania regions, with a focus on Japan.
Receiver autonomous integrity monitoring (RAIM) is a technology developed to assess the integrity of global positioning system (GPS) signals in a GPS receiver system.
In the context of spaceflight, a satellite is an artificial object which has been intentionally placed into orbit.
The space segment of an artificial satellite system is one of its three operational components (the others being the user and ground segments).
Space weather is a branch of space physics and aeronomy concerned with the time varying conditions within the Solar System, including the solar wind, emphasizing the space surrounding the Earth, including conditions in the magnetosphere, ionosphere, thermosphere, and exosphere.
StarFire is a wide-area differential GPS developed by John Deere's NavCom and precision farming groups.
A tactical air navigation system, commonly referred to by the acronym TACAN, is a navigation system used by military aircraft.
Telesat, formerly Telesat Canada, is a Canadian satellite communications company founded on May 2, 1969.
A transponder landing system (TLS) is an all-weather, precision landing system that uses existing airborne transponder and instrument landing system (ILS) equipment to create a precision approach at a location where an ILS would normally not be available.
A state is a constituent political entity of the United States.
The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.
The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its insular territories per the United States Constitution since 1792.
Very High Frequency (VHF) Omni-Directional 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.
The Western Hemisphere is a geographical term for the half of Earth which lies west of the prime meridian (which crosses Greenwich, London, United Kingdom) and east of the antimeridian.