CONTENTS

 1     Introduction  1
 2     Calculations of interference from MESs to space VLBI receivers  2
        2.1     Characteristics of space VLBI satellites  2
        2.2     Interference criterion  2
        2.3     Characteristics of space radio telescope on-board antennas  2
                  2.3.1 Approach 1 – Examination of ITU-R Recommendations  3
                  2.3.2     Approach 2 − Spherical integration  4
                  2.3.3      Conclusions regarding the satellite antenna  6
       2.4      Interference simulations  6
 3     Results  10
        3.1     Results for the Radioastron system   10
        3.2 Results for the HALCA system   12
        3.3 Further simulation results  13
        3.4     Comparison of results for the different MES types  14