This article discusses results of the first very long baseline interferometric (VLBI) measurements between antennas of the NASA DSN and the Russian three-station spacecraft tracking network. The VLBI systems of the U.S. and Russian tracking networks are described, and their compatibility for joint U.S.-Russian measurements is discussed. The results of a series of VLBI measurements involving Deep Space Stations and Russian tracking antennas are presented. The purpose of these first observations is to establish the compatibility of the two VLBI recording systems and verify that data recorded on these systems can be successfully correlated. The delay and delay rate observables produced by correlation of the recorded data are then used to estimate the locations of the Russian tracking stations relative to the Deep Space Stations. These first experiments, carried out at 1.7 GHz, are precursors to a future series of observations at 2 and 8 GHz, which will provide far more accurate station location estimates. The capability of the VLBI systems for joint U.S.-Russian spacecraft navigation measurements is also discussed.


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    Title :

    Demonstration of a Joint US-Russian Very Long Baseline Interferometry Tracking Capability


    Contributors:
    P. M. Kroger (author) / B. A. Iijima (author) / C. D. Edwards (author) / V. Altunin (author) / V. Alexeev (author)

    Publication date :

    1992


    Size :

    16 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English