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ACE High
Allied Command Europe Highband, better known as ACE High, was a fixed service NATO radiocommunication and early warning system dating back to 1956. After extensive testing ACE High was accepted by NATO to become operational in 1964/1965. The frequency supportability and frequency assignments were profited in accordance with the NATO Joint Civil/Military Frequency Agreement (NJFA). The system was designed to be a combined UHF troposcatter/microwave radio system, providing long-range communications in the form of telephone, telegraph and data traffic in the NATO chain of command. Its combined services produced over 200 channels and equipment was in place to multiplex them to contain up to 12 different calls each. There used to be 49 troposcatter links augmented by 40 ''Line Of Sight'' Microwave terrestrial stations, located in nine different NATO countries from northern Norway through central Europe to eastern Turkey. The transmitters broadcast at 832.56 - 959.28 MHz prod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio Relay Station Former USAF Microwave Relay Station ACE-High System At Lefkada, Greece, Photo 6
Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves, and received by another antenna connected to a radio receiver. Radio is very widely used in modern technology, in radio communication, radar, radio navigation, remote control, remote sensing, and other applications. In radio communication, used in radio and television broadcasting, cell phones, two-way radios, wireless networking, and satellite communication, among numerous other uses, radio waves are used to carry information across space from a transmitter to a receiver, by modulating the radio signal (impressing an information signal on the radio wave by varying some aspect of the wave) in the transmitter. In radar, used to locate and track objects like aircraft, ships, spacecraft an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Versailles
The Palace of Versailles ( ; french: Château de Versailles ) is a former royal residence built by King Louis XIV located in Versailles, about west of Paris, France. The palace is owned by the French Republic and since 1995 has been managed, under the direction of the French Ministry of Culture, by the Public Establishment of the Palace, Museum and National Estate of Versailles. Some 15,000,000 people visit the palace, park, or gardens of Versailles every year, making it one of the most popular tourist attractions in the world. Louis XIII built a simple hunting lodge on the site of the Palace of Versailles in 1623 and replaced it with a small château in 1631–34. Louis XIV expanded the château into a palace in several phases from 1661 to 1715. It was a favorite residence for both kings, and in 1682, Louis XIV moved the seat of his court and government to Versailles, making the palace the ''de facto'' capital of France. This state of affairs was continued by Kings Louis XV an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brunssum
Brunssum (; li, Broensem) is a municipality and a town in the province of Limburg in the Netherlands. The municipality of Brunssum has residents as of . Brunssum was a center of coal mining until 1973. Population centres Topography History There are indications that there was activity in the area around Brunssum going back to prehistory. This also applies to the neighboring municipalities of Heerlen and Landgraaf. Little is known about this habitation. Soil findings and medieval records indicate a continuous occupation of this area over the past 2,000 years. In the Middle Ages, ground fortification were erected in the Schutterspark for protection. The parish of Brunssum has been known since 1150, and together with Schinveld and Jabeek it formed a magistrate within the Land of Valkenburg. In 1557 the magistrate of Brunssum, consisting of Brunssum, Schinveld and Jabeek, was pledged by the Spanish government to the Hoen van Amstenrade family, and in 1609 sold to Arnold III ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles De Gaulle
Charles André Joseph Marie de Gaulle (; ; (commonly abbreviated as CDG) 22 November 18909 November 1970) was a French army officer and statesman who led Free France against Nazi Germany in World War II and chaired the Provisional Government of the French Republic from 1944 to 1946 in order to restore democracy in France. In 1958, he came out of retirement when appointed President of the Council of Ministers (Prime Minister) by President René Coty. He rewrote the Constitution of France and founded the Fifth Republic after approval by referendum. He was elected President of France later that year, a position to which he was reelected in 1965 and held until his resignation in 1969. Born in Lille, he graduated from Saint-Cyr in 1912. He was a decorated officer of the First World War, wounded several times and later taken prisoner at Verdun. During the interwar period, he advocated mobile armoured divisions. During the German invasion of May 1940, he led an armoured divisio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
General Electric Company
The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and defence electronics, communications, and engineering. The company was founded in 1886, was Britain's largest private employer with over 250,000 employees in the 1980s, and at its peak in the 1990s, made profits of over £1 billion a year. In June 1998, GEC sold its share of the joint venture GEC-Alsthom on the Paris stock exchange. In December 1999, GEC's defence arm, Marconi Electronic Systems, was sold to British Aerospace, forming BAE Systems. The rest of GEC, mainly telecommunications equipment manufacturing, continued as Marconi Communications. After buying several US telecoms manufacturers at the top of the market, losses following the bursting of the dot-com bubble in 2001 led to the restructuring in 2003 of Marconi plc into Marconi Corporation plc. In 2005, Ericsson acquired the bulk of that company. What was left of the business was renamed Telent. History ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marconi Electronic Systems
Marconi Electronic Systems (MES), or GEC-Marconi as it was until 1998, was the defence arm of General Electric Company (GEC). It was demerged from GEC and bought by British Aerospace (BAe) on 30 November 1999 to form BAE Systems. GEC then renamed itself Marconi plc. MES exists today as BAE Systems Electronics Limited, a subsidiary of BAE Systems, but the assets were rearranged elsewhere within that company. MES-related businesses include BAE Systems Submarine Solutions, BAE Systems Surface Ships, BAE Systems Insyte and Selex ES (now a part of Leonardo S.p.A.). History MES represented the pinnacle of GEC's defence businesses which had a heritage of almost 100 years. Following GEC's acquisition of Marconi as part of English Electric in 1968, the Marconi brand was used for its defence businesses, e.g. Marconi Space & Defence Systems (MSDS), Marconi Underwater Systems Ltd (MUSL). GEC's history of military products dates back to World War I with its contribution to the war effo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
High Frequency
High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz). It is also known as the decameter band or decameter wave as its wavelengths range from one to ten decameters (ten to one hundred meters). Frequencies immediately below HF are denoted medium frequency (MF), while the next band of higher frequencies is known as the very high frequency (VHF) band. The HF band is a major part of the shortwave band of frequencies, so communication at these frequencies is often called shortwave radio. Because radio waves in this band can be reflected back to Earth by the ionosphere layer in the atmosphere – a method known as "skip" or " skywave" propagation – these frequencies are suitable for long-distance communication across intercontinental distances and for mountainous terrains which prevent line-of-sight communications. The band is used by international shortwave broadcasting stations ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical region. Italy is also considered part of Western Europe, and shares land borders with France, Switzerland, Austria, Slovenia and the enclaved microstates of Vatican City and San Marino. It has a territorial exclave in Switzerland, Campione. Italy covers an area of , with a population of over 60 million. It is the third-most populous member state of the European Union, the sixth-most populous country in Europe, and the tenth-largest country in the continent by land area. Italy's capital and largest city is Rome. Italy was the native place of many civilizations such as the Italic peoples and the Etruscans, while due to its central geographic location in Southern Europe and the Mediterranean, the country has also historically been home ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naples
Naples (; it, Napoli ; nap, Napule ), from grc, Νεάπολις, Neápolis, lit=new city. is the regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 909,048 within the city's administrative limits as of 2022. Its province-level municipality is the third-most populous metropolitan city in Italy with a population of 3,115,320 residents, and its metropolitan area stretches beyond the boundaries of the city wall for approximately 20 miles. Founded by Greeks in the first millennium BC, Naples is one of the oldest continuously inhabited urban areas in the world. In the eighth century BC, a colony known as Parthenope ( grc, Παρθενόπη) was established on the Pizzofalcone hill. In the sixth century BC, it was refounded as Neápolis. The city was an important part of Magna Graecia, played a major role in the merging of Greek and Roman society, and was a significant cultural centre under the Romans. Naples served a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allied Forces Southern Europe
Allied Joint Force Command Naples (JFC Naples) is a NATO military command based in Lago Patria, in the Metropolitan City of Naples, Italy. It was activated on 15 March 2004, after effectively redesigning its predecessor command, Allied Forces Southern Europe (AFSOUTH), originally formed in 1951. In NATO Military Command Structure terms, AFSOUTH was a "Major Subordinate Command". The commander of JFC Naples reports to the Supreme Allied Commander Europe at the Supreme Headquarters Allied Powers Europe, Casteau, Belgium. As of 2008, Commander, Allied Joint Force Command Naples, was responsible for conducting the full range of military operations throughout the NATO Area of Responsibility (AOR) and beyond to deter aggression and to contribute to the effective defence of NATO territory and forces, safeguard freedom of the seas and economic lifelines and to preserve or restore the security of NATO nations. History Originally, Allied Forces Southern Europe was one of two major NATO co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laffaux
Laffaux () is a commune in the Aisne department in Hauts-de-France in northern France. Population See also *Communes of the Aisne department The following is a list of the 799 Communes of France, communes in the French Departments of France, department of Aisne. The communes cooperate in the following Communes of France#Intercommunality, intercommunalities (as of 2020): References Communes of Aisne Aisne communes articles needing translation from French Wikipedia {{Soissons-geo-stub ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allied Forces Central Europe
Allied Joint Force Command Brunssum (JFCBS) is a NATO command with its headquarters at Brunssum, the Netherlands. It was established in 2004 from previous commands as part of NATO's continuing command structure reductions in the face of a then-diminishing threat. History Allied Forces Central Europe from 1953 Originally the command was known as Headquarters, Allied Forces Central Europe (AFCENT) when it was activated in August 1953 in Fontainebleau, outside Paris, France. Ensuring interoperability among land forces of the different NATO Member States has always been a challenge, which is why a variety of NATO standardization activities, such as the NATO Standardization Office, have been underway since the 1950s. After General Dwight D. Eisenhower was appointed as Supreme Allied Commander Europe (SACEUR) in 1950, he found that devising command arrangements in the Central Region, which contained the bulk of NATO’s forces, was to be complicated.Dr Gregory Pedlow, Evolution ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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