CONTENTS

Policy on Intellectual Property Right (IPR)     ii
RECOMMENDATION  ITU-R  P.1815-1     1
Differential rain attenuation     1
Scope     1
Annex 1  Description of differential rain attenuation method     1
1 Introduction  1
2 Annual differential attenuation statistics  5
3 Worst-month differential attenuation statistics  5
Annex 2  Description of differential rain attenuation prediction method     6
 1     Analysis  6