CONTENTS

Policy on Intellectual Property Right (IPR)
Annex  1  Methodology for computation of separation distances between earth stations of the RNSS (Earth-to-space) and terrestrial radars of the radiolocation service and the ARNS in the frequency band 1 300-1 350 MHz
 1 Introduction
 2 Systems characteristics
        2.1 Radiolocation and aeronautical radionavigation radars
        2.2 Typical RNSS radio uplink stations
 3 Interference of RNSS uplink stations into radar
        3.1 Compatibility study
        3.2 Calculation of separation distance beyond which protection is assured  (protection distance)
        3.3 Conclusions
Appendix  1 to  Annex  1
Appendix  2 to  Annex  1  Description of a choke ring antenna design providing high attenuation at low elevation, for RNSS uplinks in the 1 300-1 350 MHz bandwidth
 1 Introduction, purpose of the choke ring
 2 Description of the choke ring
Annex  2  Methodology for computation of separation distances between earth stations of the RNSS (Earth-to-space) and airborne radars of the radiolocation service in the frequency band 1 300-1 350 MHz
 1 Introduction
 2 System characteristics
        2.1 Airborne radiolocation radars
                  2.1.1 System A
                  2.1.2 System B
                  2.1.3 System C
                  2.1.4 System D
 3 Interference of RNSS uplink stations into airborne radars
        3.1 Results
        3.2 Conclusions
Appendix  1 to  Annex  2