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		Page d'accueil : UIT-R : Study Groups : SG 3
		Radio noise databank GUIDELINES FOR TESTING EARTH-SPACE 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 I-1 - Line-of-sight rain attenuation statistics Table I-2 - Line-of-sight average worst-month multipath fading & enhancement in narrow bandwidths Table I-3 - Line-of-sight diversity data Table 1-4 - Line-of-sight clear sky XPD & CPA statistics Table 1-5 - Line-of-sight XPD & CPA statistics due to rain Table 1-6 - Line-of-sight worst month multipath channel characteristics & outage times Table 1-7 - Line-of-sight multi-hop worst month multipath fading & enhancement Table 1-8 - Line-of-sight number of fade events and fade duration statistics Table 1-9 - Line-of-sight annual attenuation statistics at optical wavelengths Table 1-10 - Line-of-sign worst month attenuation statistics at optical wavelengths Table II-1 - Slant path annual and monthly statistics of total attenuation, rain attenuation & rain rate Table II-2 - Slant path worst-month rain attenuation statistics Table II-3 - Slant path fade duration statistics Table II-4 - Slant path site diversity statistics Table II-5a - Slant path annual XPD statistics Table II-5b - Slant path annual XPD statistics conditioned to CPA Table II-6 - Slant path statistics of amplitude scintillations Table II-7 - Slant path standard deviations of scintillations Table II-8 - Slant path fade slope statistics Table III-1 - Clear-air trans-horizon basic transmission loss statistics Table III-1a - Clear-air spot measurement data Table III-2 - Rain scatter on terrestrial paths Table IV-1 - Annual and monthly statistics of rain intensity Table IV-2 - Rain integration time conversion factor Table IV-3 - Annual statistics of sky noise temperature Table IV-4 - Statistics of mean surface refractivity Table IV-5 - Statistics of rain event duration Table IV-7 - Statistics of cloud cover Table V-1 - Terrestrial land mobile wideband statistics Table V-2 - Terrestrial land mobile narrow-band statistics Table VI-1 - Terrestrial broadcasting signal level variation with time Table VI-2 - Terrestrial broadcasting signal level variation with location Table VII-1 - Wideband statistics for mobile-satellite links Table VII-2 - Narrow-band statistics of maritime mobile-satellite links Table VII-3 - Narrow-band statistics of land mobile-satellite links Table VII-4 - Narrow-band statistics of aeronautical mobile-satellite links Table VII-5 - Narrow-band statistics for satellite broadcasting services Table VIII-1 - Vegetation attenuation DBSG3 Table format (Excel) DBSG3 presentation (pdf) User manual (pdf) rsg3-dbsg5-rssdata.zip Download data files (on SG 3 Databanks Table III-1a "long term" (Table iii-data.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 ITU-R P.836-4 and ITU-R P.840-4 Procedure to compute the statistics appearing in Table VII-5 Fascicle concerning Annex 3 on Recommendation ITU-R P.837-6 - Physical modelling for the conversion of rain rate statistics at different integration times Fascicle concerning the rainfall rate model given in Annex 1 to Recommendation ITU-R P.837 Process for developing and publishing handbooks Background information on tropospheric attenuation time series synthesizer in recommendation ITU-R P.1853 Workshop on ITU-R Study Group 3 Radio wave propagation, The Hague, The Netherlands, 10 April 2014, 15h00 - 18h20 - Registration Fascicle concerning the use of Recommendation ITU-R P.678 Table II-11 - Slant path standard deviations of differential path length _v1 Table IV-8 - Spatial statistical dependence index of rain intensity Table IV-9 - Annual and monthly statistics of Total columnar water vapour content Table IV-10 - Annual and monthly statistics of Total columnar cloud liquid water content Ionospheric tables - foF2 and M(3000)F2 data Table IV-11 - Statistics of rain cell characteristics parameters Table IV-12 - Statistics rain drop size distribution Table IV-13 - Annual and monthly statistics of tropospheric excess path length Table X-1 - Trans-Ionospheric Scintillation Index along a slant path Table X-2 - Total Electron Content along a slant path Application, validation and data processing of atmospheric path length standard deviation statistics for ground-based antenna array performance predictions The prediction method of the probability of rain attenuation proposed in Recommendation ITU-R 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 IV-11 Background information on Annex 2 of Recommendation ITU-R P.676-13 and associated digital maps in Recommendation ITU-R P.2145-0 Cloud attenuation prediction method and associated digital maps in Recommendation ITU-R P.840-9 Table II-9 - Slant path time diversity statistics Table II-12 - Slant path inter-fade duration statistics Fascicle concerning the processing of drop size distribution data for Study Group 3 Experimental Database Information describing source of air-ground channel measurement data to be used for contributions to Study Group 3 data banks, formatted Tables Part VII Table VII-6 - Narrow-band statistics of aeronautical mobile-ground links Table VII-7 - Wideband statistics of aeronautical mobile-ground links Fascicle/11 - Guidelines for parameter extraction and testing of land mobile satellite narrowband channel models Fascicle on topography for Earth-space paths in Recommendation ITU-R P.1511-2 Fascile on rain specific attenuation Background information on tropospheric attenuation time series synthesizer in Recommendation ITU-R P.1853 Status of studies Software for ionospheric and tropospheric propagation and radio noise - Fundamental indices of the ionospheric propagation Table XI-1 - Indoor site-general basic transmission loss Table VI-1 - Terrestrial point-to-area data Fascicle on hydrometeor scatter interference Concerning Recommendation ITU-R P.2108 on clutter loss in the frequency range 30 MHz to 100 GHz - Description of the method for clutter loss measurement Annex 1 Country codes used The brightness temperature prediction method in Recommendation ITU-R P.372 - Radio noise Fascicle on background information on Annex 3 of Recommendation ITU R P.835

 

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