RECOMMENDATION ITU-R P.1410 … PROPAGATION DATA AND PREDICTION METHODS REQUIRED FOR THE DESIGN OF TERRESTRIAL BROADBAND ... ANNEX 1 1 Introduction 2 Area coverage 2.1 Building blockage 2.2 Vegetation attenuation 2.3 General advice 3 Effects of precipitation on availability 3.1 Simultaneous area coverage 3.2 Route diversity improvement 4 Propagation channel distortion 4.1 Dynamic vegetation effects 4.2 Frequency selective vegetation attenuation 4.3 Multipath from reflections 5 Interference