CONTENTS

Recommendation ITU-R SM.1838-1
Policy on Intellectual Property Right (IPR)
Annex 1  Test procedure for measuring the noise figure of radio monitoring receivers
 1     General aspects
 2     Basics of the noise figure measurements
 3     Definition of the test procedures for measuring the noise figure of receivers
        3.1     “Gain” method
                  3.1.1     Principle
                  3.1.2     Measurement set-up
        3.2     “Y-factor” method
                  3.2.1     Principle
                  3.2.2     Measurement set-up
        3.3     Sensitivity measurement to determine the noise figure
                  3.3.1     Principle
                  3.3.2     Measurement set-up
                  3.3.3     Measurement parameters
Annex 2  Test procedure for performance check of radio monitoring receivers
 1     General aspects
        1.1     Principle
        1.2     Measurement set-up