Transit 3B
http://dbpedia.org/resource/Transit_3B an entity of type: Thing
O Transit 3B foi um satélite americano lançado em 22 de fevereiro de 1961 e operado pela Marinha dos Estados Unidos. Ele foi um substituto para o Transit 3A, que foi perdido em uma falha de lançamento em 30 de novembro do ano anterior. Ele levava instrumentos para demonstrar sistemas de navegação e temporização, e efetuar estudos geodésicos para ajudar no desenvolvimento do sistema de navegação da família de satélites Transit.
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Transit 3B was an American satellite which was launched in 1961 and operated by the United States Navy. It was a replacement for Transit 3A, which was lost in a launch failure the previous year. It carried instruments to demonstrate navigation and timing systems, and study geodesy to support the development of the Transit satellite navigation system.
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Transit 3B – amerykański technologiczny satelita wojskowy, który testował system nawigacji dla okrętów podwodnych US Navy przenoszących pociski balistyczne typu UGM-27 Polaris. Wraz ze statkiem wyniesiono również satelitę LOFTI 1. Misja zakończyła się częściowym sukcesem, ponieważ LOFTI 1 nie oddzielił się od Transita, ani od ostatniego członu rakiety. Statki otrzymały przez to orbitę eliptyczną, co skróciło ich żywotność do 37 dni. Satelita miał również prowadzić badania geodezyjne. Służyć miał ku temu transponder systemu geodezyjnego (ang. SEquential COllation of Range).
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Transit 3B
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Transit 3B
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Transit 3B
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Transit 3B
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Transit 3B
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27927116
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gee
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1961-03-30
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Transit 3B before launch
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1961-02-22
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Thor DM-21 Ablestar 313/AB-007
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Geodesy
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Navigation
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Technology
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Transit 3B was an American satellite which was launched in 1961 and operated by the United States Navy. It was a replacement for Transit 3A, which was lost in a launch failure the previous year. It carried instruments to demonstrate navigation and timing systems, and study geodesy to support the development of the Transit satellite navigation system. The launch of Transit 3B was conducted at 03:45 UTC on 22 February 1961, using a Thor DM-21 Ablestar rocket flying from Launch Complex 17B at the Cape Canaveral Air Force Station. The LOFTI-1 satellite was launched aboard the same rocket. The rocket and upper stage used had the serial numbers Thor 313 and Ablestar 007 respectively. The launch resulted in a partial failure, with the spacecraft being placed in a more eccentric orbit than planned, and failing to separate from the upper stage. Transit 3B was a 113-kilogram (249 lb) spacecraft, which was powered by 6,600 solar cells charging a nickel-cadmium battery. It ended up in a low Earth orbit with a perigee of 167 kilometres (104 mi), an apogee of 1,002 kilometres (623 mi), and 28.3 degrees of inclination. It had an orbital period of 96.4 minutes. Due to the low perigee of its orbit, Transit 3B decayed quickly, and reentered the atmosphere on 30 March 1961, less than 37 days after launch. Despite being in the wrong orbit and operating for less time than had been planned, some useful data was returned from the mission. The systems demonstrated by Transit 3B included a digital clock to control timing signals, uploading programs into the onboard computer's memory whilst in orbit, data retention and FM encoding, and the use of phase modulation for data transmission without affecting the satellite's . The satellite's computer had a memory capacity of 48 bytes.
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Transit 3B – amerykański technologiczny satelita wojskowy, który testował system nawigacji dla okrętów podwodnych US Navy przenoszących pociski balistyczne typu UGM-27 Polaris. Wraz ze statkiem wyniesiono również satelitę LOFTI 1. Misja zakończyła się częściowym sukcesem, ponieważ LOFTI 1 nie oddzielił się od Transita, ani od ostatniego członu rakiety. Statki otrzymały przez to orbitę eliptyczną, co skróciło ich żywotność do 37 dni. Satelita miał również prowadzić badania geodezyjne. Służyć miał ku temu transponder systemu geodezyjnego (ang. SEquential COllation of Range). Statki funkcjonowały prawidłowo, jednak będąc połączone nie mogły zostać użyte do zaplanowanych celów. Misję finansowało (NRL) z ramienia US Navy. Statek zbudowało NRL i Johns Hopkins University.
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O Transit 3B foi um satélite americano lançado em 22 de fevereiro de 1961 e operado pela Marinha dos Estados Unidos. Ele foi um substituto para o Transit 3A, que foi perdido em uma falha de lançamento em 30 de novembro do ano anterior. Ele levava instrumentos para demonstrar sistemas de navegação e temporização, e efetuar estudos geodésicos para ajudar no desenvolvimento do sistema de navegação da família de satélites Transit.
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1961
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--02-21
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5146
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1961-03-30
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1961-02-22
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87