You would have to have bandwidths of your receiving system wide enough to account for the Doppler shifts. “If you could, you couldn’t send back enough interesting information. “I was told by Nobel Prize winners that it would not be possible really to communicate to the edge of the solar system,” Rechtin recalled in a 1995 oral-history interview with the Institute of Electrical and Electronics Engineers. An article on the DSN by Mark Wolverton quotes Rechtin on the challenges involved: The big 210-foot dish that followed at Goldstone was complemented by changes of venue elsewhere, from Woomera to a site near Canberra, and out of South Africa to Robledo, near Madrid. Credit: NASA/JPL.īy late 1963, DSIF had become the Deep Space Network. Image: Eberhardt Rechtin (far left) at the Goldstone facility in 1963. Rechtin could see that a worldwide system of receivers would be needed for future space work, one that could provide round-the-clock coverage through stations at Woomera (Australia), north of Johannesburg in South Africa and Goldstone itself. The system received an early shakeout with the launch of Pioneer 3, communicating with the spacecraft throughout its failed attempt to reach the Moon.
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The Deep Space Instrumentation Facility would emerge as its successor.ĭSIF grew as early robotic flights to the Moon became feasible and the first parabolic dish went up at Goldstone in California’s Mojave Desert. Microlock was at the heart of it, expanding to the system that tracked the first US satellites. Those of us who remember the days right after Sputnik may recall that there was an intense effort to expand America’s ground tracking capabilities thereafter. But his career is best remembered for his work on the Deep Space Network that today allows us to track probes at the edge of the heliosphere.īuilding that network was a towering achievement, and one that seemed unlikely in the 1950s, when Rechtin developed Microlock, a system of receivers that, when deployed at different ground stations, could compensate for the shifting frequencies produced by rockets in flight. The list of his accomplishments is long: Rechtin served as CEO of Aerospace Corporation (El Segundo, CA), as chief engineer of Hewlett-Packard, and as director of the Defense Advanced Research Projects Agency. Peatix.Centauri Dreams is saddened to learn of the death of Eberhardt Rechtin, a pioneer of deep space exploration.
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