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Sir Ulli
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Joined: 26 Sep 2002
Posts: 318
Location: Germany

Post Posted: Sat Apr 08, 2006 3:28 pm   Post subject: radio amateurs received signal from VOYAGER 1 Reply with quote Back to top  

this is a translation, from a German Webside

On 31 March 2006 the AMSAT DL/IUZ team succeeded in for the first time receiving the American space probe VOYAGER 1 with the plant in Bochum. The bridged distance amounted to here 14,7 billion km and sets up a new record for Amsat DL and the IUZ Bochum. The received signal was identified clearly by the Doppler shift and by the position in the sky. Further the empfangsfrequenz was measured by means of Rubidium-Frequenznormals and compared with the data of NASA. This distance corresponds for instance to the 98-fachen distance earth sun or about the triple distance of the earth to the outermost planet Pluto. Voyager 1 is thereby furthest from the earth removed from humans built object. Hereby the efficiency of the Bochumer antenna was proven again. In all probability this is the first receipt of VOYAGER 1 of radio amateurs at all. VOYAGER 1 was started on 5 September 1977 by the American space agency NASA and conveyed the first close-ups of Jupiter and Saturn. In the year 2004 passed Voyager 1 sucked. Termination Shock region, in which the solar wind mixes itself with interstellar gas. Still today VOYAGER 1 data of the interstellar magnetic field measures. The radio amateurs taken part thereby were: Freddy de Guchteneire, ON6UG James Miller, G3RUH Hartmut Paesler, DL1YDD Achim Vollhardt, DH2VA/HB9DUN of special thanks applies for Thilo Elsner, DJ5YM of the IUZ Bochum, Roger Ludwig of the jet Propulsion Laboratory (JPL) in Pasadena/USA and the Deep space network Tracking station in Madrid/Spain.

original Story

http://www.amsat-dl.org/cms/index.php?option=com_content&task=view&id=62&Itemid=97

regards
Sir Ulli

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skildude
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Joined: 02 Feb 2003
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Post Posted: Sat Apr 08, 2006 4:19 pm   Post subject: Reply with quote Back to top  

excellent find and its amazing that the probe is still ticking after 29 years of travel. Thanks again Sir Ulli

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