THE VALIDATION OF THE TRANSFORMATION BETWEEN AN OLD GEODETIC REFERENCE FRAME AND A MODERN REFERENCE FRAME, BY USING EXTERNAL SPACE TECHNIQUES SITES: THE CASE STUDY OF THE HELLENIC GEODETIC REFERENCE SYSTEM OF 1987
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This tool is under development and it was published with the objective to test the usage and performance. All the indicators are real and they are gradually being loaded. Slowness and out of service problems may occur in this version.
