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Propagation Fundamentals

Results:181 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 132 ]  
 
Preliminary draft editorial amendment of Recommendation ITU-R P.341-7 - The concept of transmission loss for radio links     United States of America     2023-05-09
[ 131 ]  
 
Preliminary draft revision of Recommendation ITU-R P.453-14 - § 4 - The radio refractive index: its formula and refractivity data     United States of America   Q201/7   2023-05-09
[ 130 ]  
 
Preliminary draft revision of Recommendation ITU-R P.453-14 - §§ 2.1 and 3 - The radio refractive index: its formula and refractivity data     United States of America   Q201/7   2023-05-09
[ 129 ]  
 
Preliminary draft revision of Recommendation ITU-R P.453-14 - § 1 - The radio refractive index: its formula and refractivity data     United States of America   Q201/7   2023-05-09
[ 128 ]  
 
Discussion document regarding horizontal interpolation methods for gridded atmospheric data     United States of America     2023-05-09
[ 127 ]  
 
Formation of a new ETSI ISG for Terahertz Communications (THz)     N/A     2023-01-23
[ 126 ]  
 
Revising Recommendation ITU-R V.431-8 - Nomenclature: Number 12, THF 300 to 3 000 GHz, Terametric waves     ATDI   Q228/3   2022-11-21
[ 125 ]  
 
Working document toward a preliminary draft revised Recommendation ITU-R P.835-6 Annex 3 - Analysis on horizontal interpolation methods for NWP data using RAOBs     European Space Agency     2022-05-23
[ 124 ]  
 
Transfer of material on building entry loss from Recommendation ITU-R P.2040 to Recommendation ITU-R P.2109     United Kingdom of Great Britain and Northern Ireland     2022-05-23
[ 123 ]  
 
Use digital surface data for path specific propagation prediction methods     United Kingdom of Great Britain and Northern Ireland     2022-05-23
[ 122 ]  
 
Submission of rain statistics for DBSG3     United Kingdom of Great Britain and Northern Ireland     2022-05-23
[ 121 ]  
 
Contribution to DBSG3 Table IV-1 : Rain rate statistics in Kourou     France     2022-05-23
[ 120 ]  
 
Work plan for a preliminary draft revision to Recommendation ITU-R P.840-8     France     2022-05-23
[ 119 ]  
 
Working document toward a preliminary draft revised Recommendation ITU-R P.835-6 Annex 3 comparison of reference atmospheres derived from ERA15, ERA5 and RAOBs profiles     European Space Agency     2022-05-23
[ 118 ]  
 
Supporting document for rain height model in Recommendation ITU-R P.839-4 - A Weighted Mean Annual Rain Height model     China (People's Republic of)     2022-05-23
[ 117 ]  
 
Proposed new modification to Recommendation ITU-R P.841-6 and Recommendation ITU-R P.581-2 - Conversion of annual statistics to worst-month statistics for two statistical methods     China (People's Republic of)     2022-05-23
[ 116 ]  
 
Propose modifications to Recommendation ITU-R P.310-10, Recommendation ITU-R P.680-3 and Recommendation ITU-R P.682-3 - Discussion about definition of fade depth     China (People's Republic of)     2022-05-23
[ 115 ]  
 
Proposed modifications to Recommendation ITU-R P.310-10 and Recommendation ITU-R P.525-4 - Discussion about definitions of several terms relating to propagation in non-ionized media     China (People's Republic of)     2022-05-23
[ 114 ]  
 
Proposed modification to Recommendation ITU-R P.834-9 - Minimum trapping frequency of evaporation duct     China (People's Republic of)     2022-05-23
[ 113 ]  
 
Proposed modification to Recommendation ITU-R P.453-14 - Global digital map of evaporation duct     China (People's Republic of)     2022-05-23
[ 112 ]  
 
Proposed editorial revision to Recommendation ITU-R P.617-5 and Recommendation ITU-R P.1812-6     China (People's Republic of)     2022-05-23
[ 111 ]  
 
Proposed draft modification to Recommendation ITU-R P.835-6 - Reference standard atmospheres     China (People's Republic of)     2022-05-23
[ 110 ]  
 
Diffraction/ducting loss due to terrain and/or specific obstruction of Recommendation ITU-R P.619     China (People's Republic of)     2022-05-23
[ 109 ]  
 
A new Mie scattering attenuation predicting method and proposed modification to Recommendation ITU-R P.1622     China (People's Republic of)     2022-05-23
[ 108 ]  
 
Proposed revision to Recommendation ITU-R P.2109-1 - Prediction of building entry loss     Japan     2022-05-23
[ 107 ]  
 
Proposed revision of Recommendation ITU-R P.2108-1 based on Annex 6 to Document 3K/178 - Prediction of clutter loss     Japan     2022-05-23
[ 106 ]  
 
Proposed revision of Recommendation ITU-R P.1409-2 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 1 GHz     Japan     2022-05-23
[ 105 ]  
 
Draft of a proposed revision to Recommendation ITU-R P.838-3 - New Annex on the variability of rain specific attenuation at 80-200 GHz     Spain     2022-05-23
[ 104 ]  
 
Characterization of the melting layer using a MRR-2 radar     Spain     2022-05-23
[ 103 ]  
 
Height of the 0° isotherm: Variability and comparison of estimations from radiosondes and ERAS     Spain     2022-05-23
[ 102 ]  
 
Proposed revision of Recommendation ITU-R P.525-4 - Calculation of free-space attenuation     Russian Federation     2022-05-19
[ 101 ]  
 
Proposal on slant path atmospheric attenuation     Russian Federation     2022-05-19
[ 100 ]  
(Rev.1) 
Proposed revision of Recommendation ITU-R P.2040-2 - Additional data of the electrical properties of the construction materials     Korea (Republic of)     2022-05-17
[ 99 ]  
 
Proposed revision to Recommendation ITU-R P.838-3 - Attenuation model proposal for rain at 240-300 GHz     Korea (Republic of)     2022-05-17
[ 98 ]  
 
Proposed revision to Recommendation ITU-R P.2040-2 - The measurement and proposal of electrical properties of building materials from 220 to 330 GHz     Korea (Republic of)     2022-05-17
[ 97 ]  
 
Submission of rain attenuation statistics at 240, 270 and 300 GHz for DBSG-3 Table I-1     Korea (Republic of)     2022-05-17
[ 96 ]  
 
Discussion document on diffuse scattering model of random rough surface     Korea (Republic of)     2022-05-17
[ 95 ]  
 
Building entry loss measurements at 47 AND 65 MHz     Korea (Republic of)     2022-05-17
[ 94 ]  
 
Proposed revision to Recommedation ITU-R P.2109-1: Addition of a new building type to the building entry loss model     Korea (Republic of)     2022-05-17
[ 93 ]  
 
Proposed to revision Recommendation ITU-R P.2040-2 - The measurement of electrical properties of interior building material in the frequency range 220 GHz to 450 GHz     Korea (Republic of)     2022-05-17
[ 92 ]  
 
Proposed revision to Recommendation ITU-R P.833-10 - Statistical foliage effect measurements in various irregular shapes of broadleaf trees and empirical model proposal at 2-10 GHz     Korea (Republic of)     2022-05-17
[ 91 ]  
 
Preliminary draft revision of Recommendation ITU-R P.526-15 - Propagation by diffraction     United States of America     2022-05-13
[ 90 ]  
 
Draft revision of Recommendation ITU-R P.834-9 - Effects of tropospheric refraction on radiowave propagation     United States of America     2022-05-13
[ 89 ]  
 
Working document toward a preliminary draft new Question ITU-R [LUNAR_PERMITTIVITY] - Lunar complex relative permittivity prediction models     United States of America     2022-05-13
[ 88 ]  
 
Contributions to the propagation databanks: Path length turbulence statistics for goldstone, CA (Apollo site), Canberra, Australia, Madrid, Spain; and Kennedy Space Center, Florida     United States of America     2022-05-13
[ 87 ]  
 
Preliminary draft revision of Recommendation ITU-R P.638-9 - Ground-wave propagation prediction method for frequencies between 10 kHz and 30 MHz     United States of America     2022-05-13
[ 86 ]  
 
Machine learning role in ITU-R SG 3     European Space Agency     2022-05-16
[ 85 ]  
 
Draft revision to ITU-R P. 2040-2 Plane wave reflection and transmission for a multi-layer slab     United States of America     2022-05-16
[ 84 ]  
 
Preliminary draft revision of ITU-R P. 310-10 - Definitions of terms relating to propagation in non-ionized media     United States of America     2022-05-16
[ 83 ]  
 
Draft revision to ITU-R P. 2040-2 - complex relative permittivity of building materials     United States of America     2022-05-16
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