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URSI, the International Radio Science Union, acknowledges scientific
research in the field of Radio Science through awarding individuals
with a number of
URSI Medals and Prizes at its
triennial General Assembly and Scientific Symposia. This year, the
John Howard Dellinger Gold Medal was awarded to Emeritus Professor
Hisashi "Hirax" Hirabayashi for his contributions to the VSOP space
VLBI mission. VSOP (the VLBI Space Observatory Programme) used
the Very Long Baseline Interferometry (VLBI) technique to combine
signals from an orbiting radio telescope aboard the HALCA satellite
with those from ground based radio telescopes to synthesis a telescope
bigger than the Earth. The ATCA and Mopra telescopes, together with
the Hobart and Ceduna telescopes of the University of Tasmania,
co-observed in a large number of VSOP observations between 1997 and
2003. Prof Hirabayashi was also a member of the Australia Telescope
Steering Committee for a three-year term.
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