CONTENTS

Annex 1  Margin for safety applications in the RNSS
 1     Introduction
 2     Purpose of safety margin
 3     Aeronautical radionavigation applications of safety margin
        3.1     Aeronautical radionavigation safety margin background
        3.2     Safety margin for the GNSS in the band 1 559-1 610 MHz
        3.3     Aeronautical radionavigation interference risk allocation and compliance
                  3.3.1     Interference risk allocation
                  3.3.2     Compliance considerations
        3.4     Conclusions
Annex 2  Technical characteristics and protection criteria for receiving earth stations in the RNSS (space-to-Earth) operating  in the band 1 559-1 610 MHz
 1     Introduction
 2     RNSS applications
        2.1     Aeronautical RNSS receivers
                  2.1.1     SBAS Category I precision approach receiver
                  2.1.2     GBAS Category II/III precision approach receiver
                  2.1.3     SBAS ground reference receiver
                  2.1.4     Air-navigation precision approach receiver
        2.2     High-precision receivers
        2.3     Assisted RNSS (A‑RNSS) receivers
        2.4     General-purpose receivers
        2.5     Indoor positioning
 3     RNSS continuous interference thresholds for non-RNSS radio sources
 4     RNSS receiver technical characteristics and protection criteria