ITU R M 1731:2012
ITU R M 1731:2012 Protection Criteria For Cospas-Sarsat Local User Terminals In The Band 1544-1545 Mhz
Table of Contents
Annex1-Protectioncriteriainthe1544-1545MHzbandforCospas-SarsatGEOLUTsthat
receiveEPIRBsignalsrelayedthroughGOES
satellites
Annex2-Interferenceprotectioncriteriain
the1544-1545MHzbandforLEOLUTsthat
receiveSARP2.4kbit/sprocesseddatafrom
CospasandSarsatsatellites
1General
2Minimumacceptableperformancefor
2.4kbit/sPDSdataintheSARPchannel
3Analysisofspfdthatcausesinterference
4Procedureforcomputinglevelof
interferencetotheLEOSARSARPchannel
Annex3-Protectioncriteriainthe
1544-1545MHzbandforSarsat406MHz
repeater(SARR)servicesagainst
interferencefrombroadbandemissions
1General
2Minimumacceptableperformancefor
detectionofEPIRBsignalsrelayedthrough
theSARSAT406MHzSARRchannel
3Analysisofinterferencespfd
4Procedureforcomputingthelevelof
1544-1545MHzinterferenceintoLEOLUTs
receivingthe406MHzSARRchannel
Annex4-Protectioncriteriainthe1544-1545
MHzbandforCospas-SarsatGEOLUTsthat
receiveEPIRBsignalsrelayedthrough
MSGsatellites
1Introduction
2Minimumacceptableperformancefordetection
ofEPIRBsignalsrelayedthroughtheMSGsatellite
3Analysisofinterferencespfd
4Procedureforcomputinglevelofinterferenceto
theMSG406MHzSARRchanneldownlink
Annex5-Protectioncriteriainthe1544-1545
MHzbandforCospas-SarsatMEOLUTsthat
receivesignalsfromdistressradiobeacons
operatingat406MHzrelayedthrough
GALILEOsatellites
1Introduction
2Minimumacceptableperformancefordetection
of406MHzdistressbeaconsignalsrelayed
throughGALILEOsatellites
3Analysisofinterferencespfd
4Procedureforcomputinglevelofinterference
totheGALILEO406MHzSARpayload
channeldownlink
Annex6-Protectioncriteriainthe1544-1545
MHzbandforCospas-SarsatGEOLUTsthat
receivesignalsfromdistressradiobeacons
operatingat406MHzrelayedthrough
Electrosatellites(SARElectro)
1Introduction
2Minimumacceptableperformancefordetection
ofdistressradiobeaconsoperatingat406MHz
signalsrelayedthroughElectrosatellites
3Analysisofinterferencespectralpowerflux-density(spfd)
4Procedureforcomputinglevelofinterference
totheGEOLUTsthatreceivesignalsfromdistress
radiobeaconsoperatingat406MHzrelayedthrough
Electrosatellites
Annex7-Protectioncriteriainthe1544-1545
MHzbandforCospas-SarsatMEOLUTsthatreceive
signalsfromdistressradiobeaconsoperatingat
406MHzrelayedthroughGLONASSsatellites
(SAR/GLONASSsatellites)
1Introduction
2Minimumacceptableperformancefordetection
of406MHzdistressbeaconsignalsrelayedthrough
GLONASSsatellites
3Analysisofinterferencespfd
4Procedureforcomputinglevelofinterferenceto
theMEOLUTsthatreceivesignalsfromdistress
radiobeaconsoperatingat406MHzrelayed
throughGLONASSsatellites
Annex8