William Petrachenko

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The Space Geodesy Project (SGP) development by NASA is an effort to co-locate the four international geodetic techniques Satellite Laser Ranging (SLR) and Lunar Laser Ranging (LLR), Very Long Baseline Interferometry (VLBI), Global Navigation Satellite System (GNSS) , and Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) into one(More)
An XF VLBI correlator system has been developed in Canada for the purpose of supporting S2 Space VLBI observations in the Japanese led [1] VSOP program and for the purpose of supporting the Canadian Geodetic VLBI program. The correlator interfaces to S2 [2] playback machines consisting of an array of 8 VHS transports providing 128 Mbits/sec of recording(More)
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