ITU R S 1558:2002
ITU R S 1558:2002 Methodologies For Measuring Epfddown Caused By A Non-geostationary-satellite Orbit Space Station To Verify Compliance With Operational Epfddown Limits
Table of Contents
ANNEX11Introduction
2Method1:Arapidtechniquebasedonlossofsynchronization
3Method2:epfd(measurementtechniqueusingacalibrated
referenceearthstation)
3.1Principleofthemeasurementprocedure
3.2Noiseinterferencepowermeasurement
3.3Non-GSOandGSOsatelliteephemerisdata
3.4GSOsatellitebeaconmeasurement
3.5Effectofantennasizeontheabilitytoperform
measurementsofoperationalepfdlevels
3.6Practicalexampleofthemeasurementproceduresdescribed
inSection3
3.7Measurementprecautionsanduncertainties
3.8Conclusionsconcerningtheapplicationofthemethods
describedinSection3
4Method3:Correlationtechniques
4.1Principleofthemethod
4.2Testset-updescription
4.3Calculationofthenon-GSOepfdlevel
4.4Receiveearthstationcalibration