CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     VLBI service for geodesy and astrometry
        2.1     VLBI for astrometry
        2.2     VLBI for geodesy
                  2.2.1     Services relying on and utilizing the Global Geodetic Reference Frame (GGRF)
 3     Operational overview of Geodetic VLBI measurements
        3.1     Frequency range
                  3.1.1     Frequency range motivation
        3.2     Legacy and planned systems
 4     Technical details of geodetic VLBI
        4.1     VGOS radio telescopes
        4.2     Wideband receivers
        4.3     Calibration systems
                  4.3.1     Phase calibration
                  4.3.2     Cable delay measurement system
                  4.3.3     Amplitude calibration system
        4.4     Data acquisition systems (DBBC2, −3, Flexbuff, Mk6)
        4.5     Reference frequency and timing
        4.6     Infrastructural requirements
        4.7     VGOS frequency setup
 5     Strategies to maximize system performance
        5.1     Calculation of levels detrimental to achieve VGOS goals
 6     Summary of this Report
Abbreviations/Acronyms