Das 100-m-Radioteleskop Effelsberg V2 11.01.08

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noong May 15, 2007

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Das 100-m-Radioteleskop Effelsberg V2 11.01.08

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The 100-m-Radioteleskop Effelsberg Reflector Diameter 100 m Aperture 7,854 m² Number of Surface Elements (Panels) 2,352 Shape Accuracy of Surface < 0.5 mm Focal Length in Prime Focus 30 m Secondary Mirror Diameter (Gregory-Reflector) 6.5 m Aperture Stop - in Prime Focus f/0.3 - in Secondary Focus f/3.85 Angular Resolution (Beam Width) - at 21cm wavelength (1.4 GHz) 9.4' (arc minutes) - at 3cm wavelength (10 GHz) 1.15' (arc minutes) - at 3.5mm wavelength (86 GHz) 10" (arc seconds) Azimuth Track Diameter 64 m Setting Accuracy of Track +/- 0.25 mm Azimuth Range 480° Maximum Rotation Speed 30°/min. Pointing Accuracy - Blind Pointing 10" -Repeatability 2" Power Output of the 16 Azimuth-Drives 10.2 kW each Radius of Elevation Gear Track 28 m Elevation Movement from 7° to 94° Maximum Tilt Speed 16°/min. Power Output of the 4 Elevation-Drives 17.5 kW each Total Weight 3,200 t Construction Period 1968-1971 Height of Track above Sea Level 319m Commencement of Operation August 1st, 1972 Constructed by Arbeitsgemeinschaft KRUPP/MAN

http://de.wikipedia.org/wiki/Radioteleskop_Effelsberg

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Radioteleskop, Effelsberg, suendigen-interactive, Max, Planck, Germany, Deutschland, Bad, Münstereifel, Eifel, Köln, Nordrhein, Westfalen, weltall, space, euskirchen, kreis, astronomie, wissenschaftler, space, Reflector, KRUPP, MAN