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Study Groups
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Radio noise databank
GUIDELINES FOR TESTING EARTHSPACE PREDICTION METHODS
Fascicle on testing variables used for the selection of prediction methods
Guidelines for testing terrestrial prediction methods
Daytime field strengths (Day)
Annual median field strengths measured at 6 hours after sunset in a year of solar minimum (LFMDATA)
Field strengths measured in North America at different solar activity levels (RANDMF)
Relative monthly field strengths (in dB) with respect to annual median values for the year and hour given (SEASONAL)
Annex 2 Definition of format for submitting path profile information
Annex 3 Terrain cover types
Table I1  Lineofsight rain attenuation statistics
Table I2  Lineofsight average worstmonth multipath fading & enhancement in narrow bandwidths
Table I3  Lineofsight diversity data
Table 14  Lineofsight clear sky XPD & CPA statistics
Table 15  Lineofsight XPD & CPA statistics due to rain
Table 16  Lineofsight worst month multipath channel characteristics & outage times
Table 17  Lineofsight multihop worst month multipath fading & enhancement
Table 18  Lineofsight number of fade events and fade duration statistics
Table 19  Lineofsight annual attenuation statistics at optical wavelengths
Table 110  Lineofsign worst month attenuation statistics at optical wavelengths
Table II1  Slant path annual and monthly statistics of total attenuation, rain attenuation & rain rate
Table II2  Slant path worstmonth rain attenuation statistics
Table II3  Slant path fade duration statistics
Table II4  Slant path site diversity statistics
Table II5a  Slant path annual XPD statistics
Table II5b  Slant path annual XPD statistics conditioned to CPA
Table II6  Slant path statistics of amplitude scintillations
Table II7  Slant path standard deviations of scintillations
Table II8  Slant path fade slope statistics
Table III1  Clearair transhorizon basic transmission loss statistics
Table III1a  Clearair spot measurement data
Table III2  Rain scatter on terrestrial paths
Table IV1  Annual and monthly statistics of rain intensity
Table IV2  Rain integration time conversion factor
Table IV3  Annual statistics of sky noise temperature
Table IV4  Statistics of mean surface refractivity
Table IV5  Statistics of rain event duration
Table IV7  Statistics of cloud cover
Table V1  Terrestrial land mobile wideband statistics
Table V2  Terrestrial land mobile narrowband statistics
Table VI1  Terrestrial broadcasting signal level variation with time
Table VI2  Terrestrial broadcasting signal level variation with location
Table VII1  Wideband statistics for mobilesatellite links
Table VII2  Narrowband statistics of maritime mobilesatellite links
Table VII3  Narrowband statistics of land mobilesatellite links
Table VII4  Narrowband statistics of aeronautical mobilesatellite links
Table VII5  Narrowband statistics for satellite broadcasting services
Table VIII1  Vegetation attenuation
DBSG3 Table format (Excel)
DBSG3 presentation (pdf)
User manual (pdf)
rsg3dbsg5rssdata.zip
Download data files (on SG 3 Databanks Table III1a "long term" (Table iiidata.zip)
ANNEX 1  COMPARISON OF DATA TABULATION
ANNEX 2  CONTENTS OF DATABANK
Software for ionospheric and tropospheric propagation and radio noise  Fundamental indices of the ionospheric propagation
Fascicle concerning the statistical distribution of integrated water vapour and liquid water contents given in Recommendations ITUR P.8364 and ITUR P.8404
Procedure to compute the statistics appearing in Table VII5
Fascicle concerning Annex 3 on Recommendation ITUR P.8376
Fascicle concerning the rainfall rate model given in Annex 1 to Recommendation ITUR P.837
Process for developing and publishing handbooks
Background information on tropospheric attenuation time series synthesizer in recommendation ITUR P.1853
Workshop on ITUR Study Group 3 Radio wave propagation, The Hague, The Netherlands, 10 April 2014, 15h00  18h20  Registration
Fascicle concerning the use of Recommendation ITUR P.678
Table II11  Slant path standard deviations of differential path length _v1
Table IV8  Spatial statistical dependence index of rain intensity
Table IV9  Annual and monthly statistics of Total columnar water vapour content
Table IV10  Annual and monthly statistics of Total columnar cloud liquid water content
Ionospheric tables  foF2 and M(3000)F2 data
Table IV11  Statistics of rain cell characteristics parameters
Table IV12  Statistics rain drop size distribution
Table IV13  Annual and monthly statistics of tropospheric excess path length
Table X1  TransIonospheric Scintillation Index along a slant path
Table X2  Total Electron Content along a slant path
Application, validation and data processing of atmospheric path length standard deviation statistics for groundbased antenna array performance predictions
The prediction method of the probability of rain attenuation proposed in Recommendation ITUR P.618
The processing of tipping bucket rain gause data for Study Group 3 experimental database
The derivation of rain cell characteristics from weather radar data for Table IV11
Fascicle on statistical distributions of integrated water vapour (Rec. ITUR P.8365) and the prediction method for water vapour attenuation for a slant path in Rec. ITUR P.67610
Statistical distributions of reduced integrated cloud liquid water and prediction of the associated attenuation (Recommendation ITUR P.8406)
Table II9  Slant path time diversity statistics
Table II12  Slant path interfade duration statistics
Fascicle concerning the processing of drop size distribution data for Study Group 3 Experimental Database
Information describing source of airground channel measurement data to be used for contributions to Study Group 3 data banks, formatted Tables Part VII
Table VII6  Narrowband statistics of aeronautical mobileground links
Table VII7  Wideband statistics of aeronautical mobileground links
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Updated : 20171005