CONTENTS

Annex 1  Protection criteria for Cospas-Sarsat in the band 406-406.1 MHz against out-of-band broadband emissions
 1     Introduction
 2     Background
 3     spfd threshold level of interference
 4     Upper bound on Doppler shift
 5     Conclusions and recommendations
Annex 2  Protection criteria for C-S system in the band 406-406.1 MHz against narrow-band spurious emissions
 1     Introduction
 2     Background
 3     Protection requirement from narrow-band spurious emissions
 4     Conclusion
Annex 3  Guidelines for using the protection requirements of the 406-406.1 MHz band (C-S system)
 1     Definitions of characteristics of emissions
        1.1     Out-of-band emission
        1.2     Spurious emission
        1.3     Unwanted emissions
        1.4     Necessary bandwidth
 2     Procedure for computing the level of unwanted emissions relating to the Sarsat SARP
        2.1     Out-of-band emissions
        2.2     Spurious emissions
        2.3     Unwanted emission limits
Annex 4  Protection of the primary safety services allocated in the band 406-406.1 MHz(C-S system) from non-GSO MSS downlink emissions below 406 MHz
 1     Introduction
 2     Background
 3     Protection criteria for Cospas SARP in the band 406-406.1 MHz against out-of-band broadband emissions
 4     Protection criteria for Cospas SARP in the band 406-406.1 MHz against narrow‑band spurious emissions
 5     Desensitization and front-end burn out of the Cospas receiver
Annex 5  Protection criteria in the 406-406.1 MHz band for Sarsat SARR instruments
 1     Minimum acceptable performance for the 406 MHz SARR channel in NOAA satellites
 2     Analysis of spfd that causes interference
 3     Procedure for computing the level of interference to the 406 MHz LEOSAR repeater channel
Annex 6  Protection criteria in the 406-406.1 MHz band for GOES GEOSAR services
 1     Minimum acceptable performance for the detection of EPIRB signals relayed through the GOES 406 MHz SARR channel
 2     Analysis of spfd that causes interference
 3     Procedure for computing level of interference to the GOES 406 MHz SARR channel
Annex 7  Protection criteria in the 406-406.1 MHz band for MSG GEOSAR services
 1     Minimum acceptable performance for the detection of EPIRB signals relayed through the MSG 406 MHz SARR channel
 2     Analysis of spfd that causes interference
 3     Procedure for computing level of interference to the MSG 406 MHz SARR channel