Rec. ITU-R PN.837-1
CHARACTERISTICS OF PRECIPITATION FOR PROPAGATION MODELLING: RECOMMENDATION ITU-R PN.837-1
This document contains information on the statistics of precipitation intensity is needed for the prediction of attenuation and scattering caused by precipitation;
This data with Rain Zones is used for planning of Microwave Links and Radio Links worldwide, especially for Rain Fade and Link Availability Calculations
When the rain climate zone is required in computer applications for any given set of geographic coordinates, the program RAINZONE be used. (The software for RAINZONE may be obtained from the ITU Radiocommunication Bureau.)
Rec. ITU-R PN.837-1 1
RECOMMENDATION ITU-R PN.837-1
CHARACTERISTICS OF PRECIPITATION FOR PROPAGATION MODELLING
Table 1 is used to obtain the expected median cumulative distribution of rain rate for the rain climate
Rain climatic zones
Rainfall intensity exceeded (mm/h) (Reference to Figs. 1 to 3)
The above charts show the rain zones around the world in for each country and region. This data is available in more up-to-date formats and used in many radio planning tools.
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