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[301]� Report on the meeting of Working Party 3J (Geneva, 22 May - 1 June 2023)

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32806 bytes 2023-06-13 [301]�Annex 46 - Working document towards a preliminary draft revision of Recommendation ITU-R P.839-4 - Rain height model for prediction methods

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44765 bytes 2023-06-13 [301]�Annex 45 - Reply liaison statement to ETSI ISG THz - Formation of a new ETSI ISG for Terahertz Communications (THz)

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6835249 bytes 2023-06-13 [301]�Annex 44 - Refractivity data in the Caribbean region - Information document regarding refractivity data in the Caribbean and procedures for the evaluation of interference due to ducting conditions between stations on the surface of the Earth in order to possible future revisions of Recommendations ITU-R P.453-14 and ITU-R P.452-17

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2833800 bytes 2023-06-13 [301]�Annex 43 - Working document towards a 3D path-specific propagation prediction method for point-to-area terrestrial services

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439042 bytes 2023-06-12 [301]�Annex 42 - Discussion document for preliminary draft revision to Recommendation ITU-R P.2040-2 - Reflection and penetration loss of building materials

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1045096 bytes 2023-06-12 [301]�Annex 41 - Working document toward a preliminary draft new Report ITU-R P.[Rough_SURFACE_bistatic_scatter] - Report on predicting coherent and diffuse bistatic scattering from multi-layered rough surfaces

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395481 bytes 2023-06-09 [301]�Annex 40 - Preliminary draft new Recommendation ITU-R P.[LAND_BISTATIC_SCATTER] - Land surface bistatic scattering coefficient prediction

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38630 bytes 2023-06-09 [301]�Annex 39 - Revision to Terms of Reference of Correspondence Group 3J-17 - Modelling of Earth or other planetary surfaces bistatic scattering

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711498 bytes 2023-06-09 [301]�Annex 38 - Preliminary draft revision of Recommendation ITU-R P.2040-1 - Effects of building materials and structures on radiowave propagation above about 100 MHz

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33626 bytes 2023-06-09 [301]�Annex 37 - Terms of Reference of Correspondence Group 3J-23 - General path modelling of slant path terrain diffraction

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39337 bytes 2023-06-09 [301]�Annex 36 - Preliminary draft revision of Recommendation ITU-R P.2040-2 - Electrical properties model of building materials based on new measurements (1-330 GHz)

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33325 bytes 2023-06-09 [301]�Annex 35 - Preliminary draft new Question ITU-R [LUNAR_PERMITTIVITY]/3 - Lunar regolith reflection coefficients

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3248894 bytes 2023-06-09 [301]�Annex 34 - Discussion document - Propagation by diffraction in UHF (Rec. ITU-R P.526) - Field tests to study diffraction propagation in the UHF band

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62678 bytes 2023-06-09 [301]�Annex 33 - Report of Working Group 3J-3 (Global mapping and statistical aspects)

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53150 bytes 2023-06-09 [301]�Annex 32 - Working document towards a draft new fascicle on radio-climatological maps for future revisions of ITU-R P-series Recommendations related to tropospheric effects

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31609 bytes 2023-06-09 [301]�Annex 31 - Discussion document regarding horizontal interpolation methods for gridded atmospheric data

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1534123 bytes 2023-06-13 [301]�Annex 30 - Preliminary draft revision of Recommendation ITU-R P.1511-2 - Topography for Earth-space propagation modelling

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48502 bytes 2023-06-13 [301]�Annex 29 - Report of Working Group 3J-2 (Effects of clouds and precipitation)

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41196 bytes 2023-06-13 [301]�Annex 28 - Terms of Reference of Correspondence Group 3J-2 - Modelling of monthly variability of precipitation in Recommendation ITU-R P.837-7

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338266 bytes 2023-06-13 [301]�Annex 27 - Comparison between ERA5 cloud cover and simultaneous experimental rainfall rate in Madrid

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41285 bytes 2023-06-13 [301]�Annex 26 - Terms of Reference of Correspondence Group 3J-3M-5 - Effect of clouds and precipitation on attenuation and depolarization on slant paths

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33158 bytes 2023-06-13 [301]�Annex 25 - Rain attenuation of millimetre waves investigated from drop size distributions

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1863490 bytes 2023-06-13 [301]�Annex 24 - Working document towards a preliminary draft revision of Recommendation ITU-R P.834-9 - Effects of tropospheric refraction on radiowave propagation

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73856 bytes 2023-06-13 [301]�Annex 23 - Preliminary draft revision of Recommendation ITU-R P.453-14 - � 4 - The radio refractive index: its formula and refractivity data

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42076 bytes 2023-06-13 [301]�Annex 22 - Working document towards a preliminary draft revision of Recommendation ITU-R P.453-14 - �� 2.1 and 3 - The radio refractive index: its formula and refractivity data

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62277 bytes 2023-06-13 [301]�Annex 21 - Working document towards a preliminary draft revision of Recommendation ITU-R P.453-14 - � 1 - The radio refractive index: its formula and refractivity data

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5278514 bytes 2023-06-13 [301]�Annex 20 - Preliminary draft new fascicle on the reference atmospheres in Annex 3 of Recommendation ITU-R P.835-7 - Background information on Annex 3 of Recommendation ITU R P.835

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320874 bytes 2023-06-12 [301]�Annex 19 - Preliminary draft revision of Recommendation ITU-R P.835-6 - Reference standard atmospheres

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63610 bytes 2023-06-12 [301]�Annex 18 - Part 2

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2222 bytes 2023-06-12 [301]�Annex 18 - Part 1

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267001 bytes 2023-06-12 [301]�Annex 18 - Working document towards a preliminary draft revision to Recommendation ITU-R P.834-9 - The refraction correction of elevation angle for the mean annual global reference atmosphere

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45890 bytes 2023-06-12 [301]�Annex 17 - Working document towards a preliminary draft revision of Recommendation ITU-R P.676-13 - Attenuation by atmospheric gases and related effects

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203252 bytes 2023-06-12 [301]�Annex 16 - Attenuation by atmospheric gases on a slant path��

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49977 bytes 2023-06-12 [301]�Annex 15 - Working document towards a preliminary draft revision of Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz

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1615798 bytes 2023-06-12 [301]�Annex 14 - Working document towards a preliminary draft revision of Recommendation ITU-R P.676-13 - Gaseous attenuation and related effects

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242256 bytes 2023-06-12 [301]�Annex 13 - Working document towards a preliminary draft revision of Recommendation ITU-R P.341-7 - The concept of transmission loss for radio links

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51856 bytes 2023-06-14 [301]�Annex 12 - Preliminary draft revision of Recommendation ITU-R P.525-4 - Calculation of free-space attenuation

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2138807 bytes 2023-06-13 [301]�Annex 11 - Working document towards a preliminary draft revision of Recommendation ITU-R P.2040-2 - Complex relative permittivity of building materials

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82109 bytes 2023-06-13 [301]�Annex 10 - Working document towards a preliminary draft revision of Recommendation ITU-R P.310 - Proposed revision to terms and new definitions

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1473096 bytes 2023-06-13 [301]�Annex 9 - Preliminary draft revision of Recommendation ITU-R P.526-15 - Propagation by diffraction

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7643721 bytes 2023-06-13 [301]�Annex 8 - Preliminary draft revision of 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

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2700097 bytes 2023-06-13 [301]�Annex 7 - Use of digital surface data for path-specific propagation prediction methods

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187336 bytes 2023-06-13 [301]�Annex 6 - Summary of proposed revisions to Recommendation ITU-R P.453 - The radio refractive index: its formula and refractivity data

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38555 bytes 2023-06-13 [301]�Annex 5 - Summary of working documents toward a preliminary draft revision of Recommendation ITU-R P.835-6 - Annex 3

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4127067 bytes 2023-06-13 [301]�Annex 4 - Preliminary draft new Fascicle ITU-R 3J/FAS/[SLANT PATH EXCESS PATH LENGTH] - Fascicle on Earth space tropospheric excess path length for Recommendation ITU-R P.834-9

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905750 bytes 2023-06-13 [301]�Annex 3 - Discussion document regarding Recommendation ITU-R P.453-14 - The radio refractive index: its formula and refractivity data - Vertical refractive gradient

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3427471 bytes 2023-06-13 [301]�Annex 2 - Part 1

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3539759 bytes 2023-06-13 [301]�Annex 2 - Proposed revision of Recommendation ITU-R P.453-14 - The radio refractive index: its formula and refractivity data - Surface and elevated ducts

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777042 bytes 2023-06-12 [301]�Annex 1 - Part 2

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797827 bytes 2023-06-12 [301]�Annex 1 - Part 1

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33341418 bytes 2023-06-12 [301]�Annex 1 - Proposed modification to Recommendation ITU-R P.453-14 - Global digital maps of surface and elevated ducts

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78229 bytes 2023-06-14 [301]�Revision 1 - Report on the meeting of Working Party 3J - Propagation Fundamentals (22 May - 1 June 2023)

Document :

ITU-R�WP3J� Contribution� 301

Title :

Report on the meeting of Working Party 3J (Geneva, 22 May - 1 June 2023)

Date :

2023-06-01

Source :

Chairman, WP 3J

Access :

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Updated :�2023-07-26