External links
- From the IGEB Era at the PNT
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The Interagency GPS Executive Board (IGEB) was an agency of the United States federal government that sought to integrate the needs and desires of various governmental agencies into formal Global Positioning System Planning. GPS was administered by the Department of Defense, but had grown to service a wide variety of constituents. The majority of GPS uses are now non-military, so this board was fundamental in ensuring the needs of non-military users.
In 2004, the IGEB was superseded by the National Executive Committee for Space-Based Positioning, Navigation and Timing (PNT), established by presidential order.
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The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. It does not require the user to transmit any data, and operates independently of any telephonic or Internet reception, though these technologies can enhance the usefulness of the GPS positioning information. It provides critical positioning capabilities to military, civil, and commercial users around the world. Although the United States government created, controls and maintains the GPS system, it is freely accessible to anyone with a GPS receiver.
In the United States government, independent agencies are agencies that exist outside the federal executive departments and the Executive Office of the President. In a narrower sense, the term refers only to those independent agencies that, while considered part of the executive branch, have regulatory or rulemaking authority and are insulated from presidential control, usually because the president's power to dismiss the agency head or a member is limited.
James Rodney Schlesinger was an American economist and public servant who was best known for serving as Secretary of Defense from 1973 to 1975 under Presidents Richard Nixon and Gerald Ford. Prior to becoming Secretary of Defense, he served as Chair of the Atomic Energy Commission (AEC) from 1971 to 1973, and as CIA Director for a few months in 1973. He became America's first Secretary of Energy under Jimmy Carter in 1977, serving until 1979.
The European Defence Agency (EDA) is an agency of the European Union (EU) that promotes and facilitates integration between member states within the EU's Common Security and Defence Policy (CSDP). The EDA is headed by the High Representative (HR/VP), and reports to the Council. The EDA was established on 12 July 2004 and is based in the Kortenberg building in Brussels, Belgium, along with a number of other CSDP bodies.
A satellite navigation or satnav system is a system that uses satellites to provide autonomous geopositioning. A satellite navigation system with global coverage is termed global navigation satellite system (GNSS). As of 2023, four global systems are operational: the United States' Global Positioning System (GPS), Russia's Global Navigation Satellite System (GLONASS), China's BeiDou Navigation Satellite System, and the European Union's Galileo.
The Research and Innovative Technology Administration (RITA) is a unit of the United States Department of Transportation (USDOT). It was created in 2005 to advance transportation science, technology, and analysis, as well as improve the coordination of transportation research within the department and throughout the transportation community.
Differential Global Positioning Systems (DGPSs) supplement and enhance the positional data available from global navigation satellite systems (GNSSs). A DGPS for GPS can increase accuracy by about a thousandfold, from approximately 15 metres (49 ft) to 1–3 centimetres.
Executive director is commonly the title of the chief executive officer of a non-profit organization, government agency or international organization.
Bradford Parkinson is an American engineer and inventor, retired United States Air Force Colonel and Emeritus Professor at Stanford University. He is best known as the lead architect, advocate and developer, with early contributions from Ivan Getting and Roger Easton, of the Air Force NAVSTAR program, better known as Global Positioning System.
The Quasi-Zenith Satellite System (QZSS), also known as Michibiki (みちびき), is a four-satellite regional time transfer system and a satellite-based augmentation system developed by the Japanese government to enhance the United States-operated Global Positioning System (GPS) in the Asia-Oceania regions, with a focus on Japan. The goal of QZSS is to provide highly precise and stable positioning services in the Asia-Oceania region, compatible with GPS. Four-satellite QZSS services were available on a trial basis as of 12 January 2018, and officially started on 1 November 2018. A satellite navigation system independent of GPS is planned for 2023 with seven satellites. In May 2023 it was announced that the system would expand to eleven satellites.
GPS Block III consists of the first ten GPS III satellites, which will be used to keep the Navstar Global Positioning System operational. Lockheed Martin designed, developed and manufactured the GPS III Non-Flight Satellite Testbed (GNST) and all ten Block III satellites. The first satellite in the series was launched in December 2018.
The Institute of Navigation (ION) is the world's premier non-profit professional society advancing the art and science of positioning, navigation and timing. It was founded in 1945 and serves communities interested in navigation and positioning on land, air, sea and space. It is a worldwide organization with members in more than 50 countries.
The National Executive Committee for Space-Based Positioning, Navigation and Timing (PNT) is a United States Government organisation which advises and coordinates federal departments and agencies on matters concerning the Global Positioning System, space navigation, navigational references, and related systems.
The community boards of the New York City government are the appointed advisory groups of the community districts of the five boroughs. There are currently 59 community districts: twelve in the Bronx, eighteen in Brooklyn, twelve in Manhattan, fourteen in Queens, and three in Staten Island.
An inertial navigation system (INS) is a navigation device that uses motion sensors (accelerometers), rotation sensors (gyroscopes) and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity of a moving object without the need for external references. Often the inertial sensors are supplemented by a barometric altimeter and sometimes by magnetic sensors (magnetometers) and/or speed measuring devices. INSs are used on mobile robots and on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft. Other terms used to refer to inertial navigation systems or closely related devices include inertial guidance system, inertial instrument, inertial measurement unit (IMU) and many other variations. Older INS systems generally used an inertial platform as their mounting point to the vehicle and the terms are sometimes considered synonymous.
Locata Corporation is a privately held technology company headquartered in Canberra, Australia, with a fully owned subsidiary in Las Vegas, Nevada. Locata has invented a local positioning system that can either replace or augment Global Positioning System (GPS) signals when they are blocked, jammed or unreliable. Government, commercial and other organizations use Locata to determine accurate positioning as a local backup to GPS.
Inside GNSS (IG) is an international controlled circulation trade magazine and website owned by Gibbons Media and Research LLC. It covers space-based positioning, navigation and timing (PNT) technology for engineers, designers, and policy-makers of global navigation satellite systems (GNSS). In the United States, GNSS is identified mainly with the government-operated Navstar Global Positioning System (GPS). InsideGNSS.com is the complimentary website of online news, events, digital newsletters, and webinars, and archived magazine articles.
The Royal Institute of Navigation (RIN) is a learned society and a professional body for navigation. The RIN was founded in 1947 as a forum for mariners, pilots, engineers and academics to compare their experiences and exchange information. Today it is a leading centre for promoting knowledge in navigation and its associated sciences, including positioning, timing, tracking and conduct of a journey, whether on, in, over or under land, sea, air or space. The Institute has members in over 50 countries worldwide.
The United Kingdom Global Navigation Satellite System was a United Kingdom Space Agency (UKSA) research programme which, between May 2018 and September 2020, developed outline proposals for a United Kingdom (UK) owned and operated conventional satellite navigation system, as a British alternative to the European Union (EU) owned and operated Galileo Global Navigation Satellite System. The main reason was to provide a national and independent system, to ensure UK security following its withdrawal from the EU as a result of Brexit. It was fully supported by the Ministry of Defence.
The Space Development Agency (SDA) is a United States Space Force direct-reporting unit tasked with deploying disruptive space technology. A primary focus is space-based missile defense using large global satellite constellations made up of industry-procured low-cost satellites. The SDA has been managed by the United States Space Force since October 2022.