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- The Lincoln Calibration Sphere 1, or LCS-1, is a large aluminium sphere in Earth orbit since 6 May 1965. It is still in use, having lasted for over 50 years. The sphere was launched along with the Lincoln Experimental Satellite-2 on a Titan IIIA. It is technically the oldest operational spacecraft , but it has no power supply or fuel; it is merely a passive metal sphere. LCS-1 has been used for radar calibration since its launch. It was built by Rohr. Corp. for the MIT Lincoln Laboratory. LCS-1 is a hollow sphere 1.12 m (3 ft 8 in) in diameter with a wall thickness of 3.2 mm (0.13 in). The sphere was constructed from two hemispheres, made by spinning sheet metal over a mold. These hemispheres were fastened to an internal, circumferential hoop by 440 countersunk screws, then milled and polished. The initial finish had a surface roughness less than 10 micrometres and was expected to last for five years. Since its launch, I-band measurements have shown periodic deviations that likely correspond to one or more new surface irregularities. Before being launched to orbit, the optical cross section of the LCS-1 was measured in L, S, C, X and K microwave bands. Four other spheres were also manufactured and measured for comparison to the one in orbit. (en)
- Lincoln Calibration Sphere 1 – amerykański wojskowy satelita technologiczny, będący aluminiową sferą służącą do kalibracji radarów o średnicy 1,12 m. Był pierwszym z serii satelitów tego typu. Nie został wycofany ze służby i ciągle jest wykorzystywany do kalibracji radarów.Wyniesiony wraz z Lincoln Experimental Satellite 2. Satelita pozostaje na wysokiej orbicie okołoziemskiej o trwałości szacowanej na 500 000 lat. (pl)
- A Lincoln Calibration Sphere 1, ou LCS-1, é uma grande esfera de alumínio que está orbitando a Terra desde 6 de maio de 1965. Essa é a "espaçonave" mais antiga ainda em uso (mais de 50 anos). Ela foi lançada em conjunto com o Lincoln Experimental Satellite-2 usando um foguete Titan IIIA. Apesar de tecnicamente ser considerada a mais antiga "espaçonave" operacional, ela não possui fonte de energia nem combustível; é meramente uma esfera de metal. Tem sido usada para calibrar radares desde o seu lançamento. Ela foi construída pela Rohr. Corp. para o MIT Lincoln Laboratory. (pt)
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- 5991 (xsd:nonNegativeInteger)
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- US Department of Defense (en)
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- Cape Canaveral LC-20 (en)
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- Lincoln Calibration Sphere 1 (en)
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- Lincoln Calibration Sphere 1 – amerykański wojskowy satelita technologiczny, będący aluminiową sferą służącą do kalibracji radarów o średnicy 1,12 m. Był pierwszym z serii satelitów tego typu. Nie został wycofany ze służby i ciągle jest wykorzystywany do kalibracji radarów.Wyniesiony wraz z Lincoln Experimental Satellite 2. Satelita pozostaje na wysokiej orbicie okołoziemskiej o trwałości szacowanej na 500 000 lat. (pl)
- A Lincoln Calibration Sphere 1, ou LCS-1, é uma grande esfera de alumínio que está orbitando a Terra desde 6 de maio de 1965. Essa é a "espaçonave" mais antiga ainda em uso (mais de 50 anos). Ela foi lançada em conjunto com o Lincoln Experimental Satellite-2 usando um foguete Titan IIIA. Apesar de tecnicamente ser considerada a mais antiga "espaçonave" operacional, ela não possui fonte de energia nem combustível; é meramente uma esfera de metal. Tem sido usada para calibrar radares desde o seu lançamento. Ela foi construída pela Rohr. Corp. para o MIT Lincoln Laboratory. (pt)
- The Lincoln Calibration Sphere 1, or LCS-1, is a large aluminium sphere in Earth orbit since 6 May 1965. It is still in use, having lasted for over 50 years. The sphere was launched along with the Lincoln Experimental Satellite-2 on a Titan IIIA. It is technically the oldest operational spacecraft , but it has no power supply or fuel; it is merely a passive metal sphere. LCS-1 has been used for radar calibration since its launch. It was built by Rohr. Corp. for the MIT Lincoln Laboratory. (en)
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- Lincoln Calibration Sphere 1 (en)
- Lincoln Calibration Sphere 1 (pl)
- Lincoln Calibration Sphere 1 (pt)
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- Lincoln Calibration Sphere 1 (en)
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