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Relativistic effects in Earth based and cosmic long baseline interferometry
Symposium - International astronomical union
With present day technology the technique which provides the greatest precision in astrometric and geodetic measurement is Very Long Baseline Interferometry (VLBI) (Robertson, 1975; Dravskykh, 1981; Gubanov, 1983). The precision of present day astrometrical measurements by VLBI exceeds those of the best modern optical observations by an order and a half of magnitude and is capable of further improvement by the future development of phase stable, wide band, global networks and by the futuredoi:10.1017/s0074180900148272 fatcat:bge3zhfs6ranbc6k6bbe6c2wkq