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Jorn Lande
The Jindalee Operational Radar Network (JORN) is an over-the-horizon radar (OHR) network that can monitor air and sea movements across . It has a normal operating range of to . It is used in the defence of Australia, and can also monitor maritime operations, wave heights and wind directions. JORN's main ground stations comprise a control centre, known as the JORN Coordination Centre (JCC), at RAAF Base Edinburgh in South Australia and three transmission stations: Radar 1 near Longreach, Queensland, Radar 2 near Laverton, Western Australia and Radar 3 near Alice Springs, Northern Territory. History The roots of the JORN can be traced back to post World War II experiments in the United States and a series of Australian experiments at DSTO Edinburgh, South Australia beginning in the early 1950s. In 1969, The Technical Cooperation Program membership and papers by John Strath prompted development of a core "Over the Horizon" radar project. From July 1970 a study was underta ...
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JORN
The Jindalee Operational Radar Network (JORN) is an over-the-horizon radar (OHR) network that can monitor air and sea movements across . It has a normal operating range of to . It is used in the defence of Australia, and can also monitor maritime operations, wave heights and wind directions. JORN's main ground stations comprise a control centre, known as the JORN Coordination Centre (JCC), at RAAF Base Edinburgh in South Australia and three transmission stations: Radar 1 near Longreach, Queensland, Radar 2 near Laverton, Western Australia and Radar 3 near Alice Springs, Northern Territory. History The roots of the JORN can be traced back to post World War II experiments in the United States and a series of Australian experiments at DSTO Edinburgh, South Australia beginning in the early 1950s. In 1969, The Technical Cooperation Program membership and papers by John Strath prompted development of a core "Over the Horizon" radar project. From July 1970 a study was undertak ...
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Telstra
Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets voice, mobile, internet access, pay television and other products and services. It is a member of the S&P/ASX 20 and Australia's largest telecommunications company by market share. Telstra is the largest wireless carrier in Australia, with 18.8 million subscribers as of 2020. Telstra has a long history in Australia, originating together with Australia Post as the Postmaster-General's Department upon federation in 1901. Telstra has transitioned from a state-owned enterprise to a fully privatised company and has recently focused on diversified products and emerging technologies. History Australia's telecommunications services were originally controlled by the Postmaster-General's Department (PMG), formed in 1901 as a result of Australian Federation. Prior to 1901, telecommunications were administered by each colony. On 1 July 1975, separate ...
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Mount Everard, Northern Territory
Mount is often used as part of the name of specific mountains, e.g. Mount Everest. Mount or Mounts may also refer to: Places * Mount, Cornwall, a village in Warleggan parish, England * Mount, Perranzabuloe, a hamlet in Perranzabuloe parish, Cornwall, England * Mounts, Indiana, a community in Gibson County, Indiana, United States People * Mount (surname) * William L. Mounts (1862–1929), American lawyer and politician Computing and software * Mount (computing), the process of making a file system accessible * Mount (Unix), the utility in Unix-like operating systems which mounts file systems Displays and equipment * Mount, a fixed point for attaching equipment, such as a hardpoint on an airframe * Mounting board, in picture framing * Mount, a hanging scroll for mounting paintings * Mount, to display an item on a heavy backing such as foamcore, e.g.: ** To pin a biological specimen, on a heavy backing in a stretched stable position for ease of dissection or display ** To p ...
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Harts Range, Northern Territory
Harts Range is a town in the Northern Territory of Australia located on the Plenty Highway by road northeast of Alice Springs, Northern Territory, Alice Springs. Most of its population are of Aboriginal descent, residing in the nearby community of Atitjere, Northern Territory, Atitjere. Since 1947, each year an annual Horse racing, racing meet has been held at the Harts Range Racecourse on the Picnic Day (Australian holiday), Picnic Day long weekend. The event has grown to include rodeo, novelty, and family events in a three-day festival known as the "Harts Range Bush Sports Weekend". A police station at Harts Range services the surrounding district, comprising remote cattle stations and Aboriginal Australians, Aboriginal communities. A transmitter for the Jindalee Operational Radar Network is located near Harts Range.
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Leonora, Western Australia
Leonora is a town in the Goldfields-Esperance region of Western Australia, located northeast of the state capital, Perth, and north of the city of Kalgoorlie. History The first European explorer to visit the area was John Forrest in 1869. On 21 June 1869 Forrest's party made camp near a conspicuous hill, which Forrest named Mount Leonora, after his six-year-old niece Frances (Fanny) Leonora Hardey. In 1895, gold was discovered in the area by prospector Edward "Doodah" Sullivan at the Johannesburg lease just north of the current townsite. In the following two years a number of rich finds resulted in rapid development of the area. The Sons of Gwalia gold mine brought Leonora to the attention of the world. By 1897 a residential and business area had been established, and the town was gazetted as Leonora. Leonora had a single track passenger tramway linking the town and nearby Gwalia, from 1901 to 1921. Initially steam driven, the service was electric from November 1908, an ...
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Stonehenge, Queensland (Barcoo Shire)
Stonehenge is an outback town and locality in the Shire of Barcoo, Queensland, Australia. In the , Stonehenge had a population of 44 people. Geography Stonehenge is in the Channel Country. Nearby is one of three areas used to base the Australian Department of Defence's over-the-horizon radar system. History Its name originates from when the area was a stopping point for bullock teams. A stone hut used by the bullock drivers to overnight in eventually fell into disuse, and the stone remains became known as 'Stonehenge'. The Stonehenge State School opened on 3 September 1900. The school closed in 1947 but subsequently reopened. It closed again on 1 February 1977 but reopened again on 27 January 1981. At the , Stonehenge and the surrounding area had a population of 106. The Stonehenge Library opened in 2009. Facilities Stonehenge has a sports centre and community centre. The Barcoo Shire Council operates a public library at 9 Stratford Street. Education Stonehenge St ...
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Ionosonde
An ionosonde, or chirpsounder, is a special radar for the examination of the ionosphere. The basic ionosonde technology was invented in 1925 by Gregory Breit and Merle A. Tuve and further developed in the late 1920s by a number of prominent physicists, including Edward Victor Appleton. The term ''ionosphere'' and hence, the etymology of its derivatives, was proposed by Robert Watson-Watt. Components An ionosonde consists of: * A high frequency (HF) radio transmitter, automatically tunable over a wide range. Typically the frequency coverage is 0.5–23 MHz or 1–40 MHz, though normally sweeps are confined to approximately 1.6–12 MHz. * A tracking HF receiver which can automatically track the frequency of the transmitter. * An antenna with a suitable radiation pattern, which transmits well vertically upwards and is efficient over the whole frequency range used. * Digital control and data analysis circuits. The transmitter sweeps all or part of the HF frequency ...
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Transponders
In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of ''transmitter'' and ''responder''. In air navigation or radio frequency identification, a flight transponder is an automated transceiver in an aircraft that emits a coded identifying signal in response to an interrogating received signal. In a communications satellite, a satellite transponder receives signals over a range of uplink frequencies, usually from a satellite ground station; the transponder amplifies them, and re-transmits them on a different set of downlink frequencies to receivers on Earth, often without changing the content of the received signal or signals. Satellite/broadcast communications A communications satellite’s channels are called transponders because each is a separate transceiver or repeater. With digital video data compression and multiplexing, several video and audio channels may travel through a single trans ...
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Aviation Week & Space Technology
''Aviation Week & Space Technology'', often abbreviated ''Aviation Week'' or ''AW&ST'', is the flagship magazine of the Aviation Week Network. The weekly magazine is available in print and online, reporting on the aerospace, defense and aviation industries, with a core focus on aerospace technology. It has a reputation for its contacts inside the United States military and industry organizations. ''Aviation Week'' was a favorite conduit for defense-related companies and labs to leak information to the public as part of their policy by press release efforts. This led to it being informally referred to "Aviation Leak and Space Mythology". History The magazine was first published in August 1916. Early editors Ladislas d'Orsy and Donald W. McIlhiney (1921 to 25) were Quiet Birdmen. Publisher (1927 to 29) Earl D. Osborn was also a Quiet Birdman. With the coming of the Space Age, the current title was adopted in 1960. Other titles the magazine has held include ''Aviation & Aircraft ...
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RLM Group
RLM may refer to: * RLM, a wholly owned subsidiary of the Lockheed Martin Corporation, with significant presence in the Australian defence industry * Real Life Ministries, a non-denominational Evangelical Christian church in Idaho * , the Ministry of Aviation (Germany) (1933–45) * Rheinisches Landesmuseum (Rhineland State Museum) * Right-to-left mark, a Unicode bidirectional formatting character * Red Letter Media, an American video and film production company that has achieved fame for its "Plinkett Reviews" * Reprise License Manager, a software toolkit providing license management * In statistics, a robust linear model * In computer software, release management See also * RLML (other) RLML may refer to: * Midlands Merit League The Midlands Merit League, was a summer rugby league tournament in England held between 2006 and 2009. It was a feeder league to the Rugby League Conference and had a season that ran from April to August ...
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Tenix
Tenix is a privately owned Australian company involved in a range of infrastructure maintenance and engineering products and services to the utility, transport, mining and industrial sectors in Australia, New Zealand, the Pacific Islands, and the United States. The antecedent company Transfield was established in 1956 by Carlo Salteri and Franco Belgiorno-Nettis. The company focused on engineering and infrastructure construction, and expanded into the naval shipbuilding industry in the 1980s (initially under the name AMECON, then Transfield Defence Systems). A 1995 dispute between the company's managing directors (the eldest sons of the two founders) led to Transfied being split in two; the Belgiorno-Nettis family kept the Transfield name and the construction side of the business, while the Salteri family retained the infrastructure, defence, and technology elements, which were relaunched in 1997 as several companies under the Tenix name. Tenix Defence grew to become one of Aus ...
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Lockheed Martin
The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in North Bethesda, Maryland, in the Washington, D.C. area. Lockheed Martin employs approximately 115,000 employees worldwide, including about 60,000 engineers and scientists as of January 2022. Lockheed Martin is one of the largest companies in the aerospace, military support, security, and technologies industry. It is the world's largest defense contractor by revenue for fiscal year 2014.POC Top 20 Defence Contractors of 2014
. Retrieved: July 2015
In 2013, 78% of Lockheed Martin's revenues came from military sales;
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