STATUS OF TEXTS OF STUDY GROUP 3
AND ITS WORKING PARTIES
STATUS OF ITU-R STUDY GROUP 3 TEXTS
The Annexes attached show the status of ITU-R SG 3 texts at 8 October 2006.
Annex 1 – Recommendations
All Recommendations currently in force are published on CD-ROM (“ITU-R Recommendations
and Reports”) and they are also available from the ITU-R Webpage at:
http://www.itu.int/rec/recommendation.asp?type=products&lang=e&parent=R-REC-P.
For each Recommendation listed in Annex 1, the source is indicated as follows:
V
texts published in the Volume 2000 P series, Parts 1 and 2;
S
texts published in Supplement 1 to Volume 2000 P series;
W
texts available from website and from CD-ROM (“ITU-R Recommendations and Reports”).
Annex 2 – Questions
The texts of the Questions can be found in Document 3/1
(at: http://www.itu.int/md/meetingdoc.asp?type=sitems&lang=e&parent=R03-SG03-C-0001) as well as
on the ITU-R webpage at: http://www.itu.int/publications/sector.aspx?lang=en&sector=1.
Annex 3 – Resolutions and Opinions
The texts of the ITU-R Resolutions (Radiocommunication Assembly 2003) can be found on
the ITU-R Webpage at:
http://www.itu.int/publications/productslist.aspx?lang=e&menu=categories&CategoryID=RRES&selection=5&sector=1.
Opinions appear on the ITU-R Webpage at:
http://www.itu.int/publications/productslist.aspx?lang=e&menu=categories&CategoryID=ROP&selection=6&sector=1.
Annex 4 – Reports
These are published on CD-ROM (“ITU-R Recommendations and Reports”) and ITU-R Reports are
also available from the ITU-R Webpage at:
http://www.itu.int/publications/productslist.aspx?lang=e&CategoryID=R-REP&series=P.
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Annex 1
Recommendations
Section P-A: Texts of general interest
Source
Rec. ITU-R
S
P.1144-3
Guide to the application of the propagation methods of
Radiocommunication Study Group 3
3K, L, M
V
P.310-9
Definitions of terms relating to propagation in non-ionized
media
3J, K, M
W
P.1407-2
Multipath propagation and parameterization of its
characteristics
3J, K, M
W
P.311-12
Acquisition, presentation and analysis of data in studies of
tropospheric propagation
3J, K, M
V
P.341-5
The concept of transmission loss for radio links
3K, L, M
V
P.525-2
Calculation of free-space attenuation
3K, L, M
S
P.1057-1
Probability distributions relevant to radiowave
propagation modelling
3J
V
P.581-2
The concept of “worst month”
3J
W
P.841-4
Conversion of annual statistics to worst-month statistics
3J
V
P.678-1
Characterisation of the natural variability of propagation
phenomena
3J
Section P-B:
Title
WP
Radio noise
Source
Rec. ITU-R
W
P.372-8
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Title
WP
Radio noise
3J
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Section P-C:
Ground and obstacle effects
Source
Rec. ITU-R
W
P.526-9
Propagation by diffraction
3J
V
P.527-3
Electrical characteristics of the surface of the Earth
3J
V
P.832-2
World atlas of ground conductivities
3J
W
P.833-5
Attenuation in vegetation
3J
V
P.1058-2
Digital topographic databases for propagation studies
3J
S
P.1511
Topography for Earth-to-space propagation modelling
3J
Section P-D:
Title
WP
Radiometeorology
Source
Rec. ITU-R
W
P.453-9
The radio refractive index: its formula and refractivity
data
3J
W
P.834-5
Effects of tropospheric refraction on radiowave
propagation
3J
W
P.835-4
Reference standard atmospheres
3J
S
P.836-3
Water vapour: surface density and total columnar content
3J
W
P.676-6
Attenuation by atmospheric gases
3J
W
P.1621-1
Propagation data required for the design of Earth-space
systems operating between 20 THz and 375 THz
3J
W
P.837-4
Characteristics of precipitation for propagation modelling
3J
W
P.838-3
Specific attenuation model for rain for use in prediction
methods
3J
S
P.839-3
Rain height model for prediction methods
3J
V
P.840-3
Attenuation due to clouds and fog
3J
V
P.1322
Radiometric estimation of atmospheric attenuation
3J
S
P.1510
Annual mean surface temperature
3J
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Title
WP
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Section P-E:
Ionospheric aspects
Source
Rec. ITU-R
Title
WP
V
P.845-3
HF field-strength measurement
3L
V
P.846-1
Measurements of ionospheric and related characteristics
3L
W
P.313-10
Exchange of information for short-term forecasts and
transmission of ionospheric disturbance warnings
3L
V
P.371-8
Choice of indices for long-term ionospheric predictions
3L
V
P.373-7
Definitions of maximum and minimum transmission
frequencies
3L
V
P.1239
ITU-R reference ionospheric characteristics
3L
V
P.1240
ITU-R methods of basic MUF, operational MUF and
ray-path prediction
3L
V
P.532-1
Ionospheric effects and operational considerations
associated with artificial modification of the ionosphere
and the radio-wave channel
3L
V
P.1148-1
Standardised procedure for comparing predicted and
observed HF sky-wave signal intensities and the
presentation of such comparisons
3L
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Section P-F:
Terrestrial path prediction methods
Source
Rec. ITU-R
Title
WP
W
P.368-8
Ground-wave propagation curves for frequencies between
10 kHz and 30 MHz
3J, K
W
P.684-4
Prediction of field strength at frequencies below about
150 kHz
3L
W
P.1147-3
Prediction of sky-wave field strength at frequencies
between about 150 and 1 700 kHz
3L
W
P.1321-1
Propagation factors affecting systems using digital
modulation techniques at LF and MF
3L
W
P.533-8
HF propagation prediction method
3L
W
P.842-3
Computation of reliability and compatibility of HF radio
systems
3L
V
P.843-1
Communication by meteor-burst propagation
3L
V
P.534-4
Method for calculating sporadic-E field strength
3L
W
P.1546-2
Method for point-to-area predictions for terrestrial
services in the frequency range 30 to 3 000 MHz
3K
V
P.1406
Propagation effects relating to terrestrial land mobile
service in the VHF and UHF bands
3K
W
P.1238-4
Propagation data and prediction methods for the planning
of indoor radiocommunication systems and radio local
area networks in the frequency range 900 MHz to
100 GHz
3K
W
P.1411-3
Propagation data and prediction methods for the planning
of short-range outdoor radiocommunication systems and
radio local area networks in the frequency range 300 MHz
to 100 GHz
3K
W
P.1410-3
Propagation data and prediction methods required for the
design of terrestrial broadband millimetric radio access
systems operating in a frequency range of about
20-50 GHz
3K
V
P.528-2
Propagation curves for aeronautical mobile and
radionavigation services using the VHF, UHF and SHF
bands
3K
W
P.530-11
Propagation data and prediction methods required for the
design of terrestrial line-of-sight systems
3M
V
P.617-1
Propagation prediction techniques and data required for
the design of trans-horizon radio-relay systems
3M
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Section P-G:
Earth-space path prediction methods
Source
Rec. ITU-R
W
P.618-8
Propagation data and prediction methods required for the
design of Earth-space telecommunication systems
3M
W
P.531-8
Ionospheric propagation data and prediction methods
required for the design of satellite services and systems
3L
S
P.679-3
Propagation data required for the design of broadcastingsatellite systems
3M
V
P.680-3
Propagation data required for the design of Earth-space
maritime mobile telecommunication systems
3M
W
P.681-6
Propagation data required for the design of Earth-space
land mobile telecommunication systems
3M
V
P.682-1
Propagation data required for the design of Earth-space
aeronautical mobile telecommunication systems
3M
W
P.1623-1
Prediction method of fade dynamics on Earth-space paths
3J, 3M
W
P.1622
Prediction methods required for the design of Earth-space
systems operating between 20 THz and 375 THz
3M
Section P-H:
Title
WP
Frequency sharing, interference signal prediction and coordination
Source
Rec. ITU-R
Title
WP
W
P.452-12
Prediction procedure for the evaluation of microwave
interference between stations on the surface of the Earth at
frequencies above about 0.7 GHz
3M
V
P.619-1
Propagation data required for the evaluation of
interference between stations in space and those on the
surface of the Earth
3M
W
P.620-6
Propagation data required for the evaluation of
coordination distances in the frequency range 100 MHz to
105 GHz
3M
V
P.1412
Propagation data for the evaluation of coordination
between earth stations working in the bidirectionally
allocated frequency bands
3M
V
P.1409
Propagation data and prediction methods required for the
design of systems using high altitude platform stations at
about 47 GHz
3M
V
P.844-1
Ionospheric factors affecting frequency sharing in the
VHF and UHF bands (30 MHz – 3 GHz)
3L
V
P.1060
Propagation factors affecting frequency sharing in HF
terrestrial systems
3L
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Annex 2
Questions assigned to SG 3
Question
ITU-R
Title
Category*
WP
201-2/3
Radiometeorological data required for the planning of
terrestrial and space communication systems and space
research applications
S2
3J
202-1/3
Methods for predicting propagation over the surface of the
Earth
S2
3J
203-3/3
Propagation prediction methods for terrestrial broadcasting,
fixed (broadband access) and mobile services at frequencies
above 30 MHz
S1
3K
204-3/3
Propagation data and prediction methods required for
terrestrial line-of-sight systems
S2
3M
205-1/3
Propagation data and prediction methods required for
transhorizon systems
S2
3M
206-3/3
Propagation data and prediction methods for fixed- and
broadcasting-satellite services
S2
3M
207-3/3
Propagation data and prediction methods for satellite mobile
and radiodetermination services above about 0.1 GHz
S2
3M
208-3/3
Propagation factors in frequency sharing issues affecting
fixed-satellite services and terrestrial services
S2
3M
Variability and risk parameters in system performance analysis
S2
3J
Propagation data and propagation models for the design of
short-range wireless communication and access systems and
wireless local area networks (WLAN) in the frequency range
300 MHz to 100 GHz
S1
3K
209/3
211-3/3
____________________
*
Categories of Questions:
C1: very urgent and priority studies, required for the next Radiocommunication Conference.
S1: urgent studies which are intended to be completed within two years.
S2: important studies, necessary for the development of radiocommunications.
S3: required studies, expected to facilitate the development of radiocommunications.
AP: suitable for approval by the Alternative Procedure according to Resolution ITU-R 45.
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Question
ITU-R
Title
Category*
WP
212-1/3
Ionospheric properties
S3
3L
213-1/3
The short-term forecasting of operational parameters for
ionospheric and trans-ionospheric radiocommunications
S3
3L
214-1/3
Radio noise
S2
3J
218-2/3
Ionospheric influences on space systems
S2
3L
VHF and UHF propagation by way of sporadic E and other
ionization
S3
3L
222-1/3
Measurements and data banks of ionospheric parameters
S2
3L
225-4/3
The prediction of propagation factors affecting systems at LF
and MF including the use of digital modulation techniques
S1
3L
226-2/3
Ionospheric and tropospheric characteristics along satellite-tosatellite paths
S2
3L & 3M
227-1/3
HF Channel simulation
S3
3L
228-1/3
Propagation data required for the planning of
radiocommunication systems operating above 275 GHz
S1
3M
229/3
Prediction of sky-wave propagation conditions, signal
intensity, circuit performance and reliability at frequencies
between about 1.6 and 30 MHz, in particular for systems using
digital modulation techniques
S1
3L
230/3
Prediction methods and models applicable to power line
telecommunication systems
C1
3L
221/3
____________________
* Categories of Questions:
C1: very urgent and priority studies, required for the next Radiocommunication Conference.
S1: urgent studies which are intended to be completed within two years.
S2: important studies, necessary for the development of radiocommunications.
S3: required studies, expected to facilitate the development of radiocommunications
AP: suitable for approval by the Alternative Procedure according to Resolution ITU-R 45.
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Annex 3
Resolutions and Opinions “maintained by” Study Group 3
Resolution/Opinion
Title
WP
Res. ITU-R 8-1
Radiowave propagation studies and measurement campaigns
in developing coutries
All
Res. ITU-R 25-2
Computer programs and associated reference numerical data
for radiowave propagation assessment
All
Res. ITU-R 37
Radiowave propagation studies for system design and service
planning
All
Res. ITU-R 40-1
Worldwide data bases of terrain height and surface features
Op. ITU-R 22-6
Routine ionospheric sounding
3L
Op. ITU-R 23-6
Observations needed to provide basic indices for ionospheric
propagation
3L
Op. ITU-R 68-2
Data bank of HF sky-wave signal intensity measurements
3L
Op. ITU-R 91-1
World atlas of ground conductivities
3J
3J, 3K
Annex 4
List of current Reports in the P Series
Report ITU-R
Title
WP
P.227-3
General methods of measuring the field strength and related
parameters (see Vol. V, Dubrovnik, 1986)
3K
P.228-3
Measurement of field strength for VHF (metric) and UHF
(decimetric) broadcast services, including television
3K
P.239-7
Propagation statistics required for broadcasting services using
the frequency range 30 to 1 000 MHz
3K
P.880-2
Short distance radiowave propagation in special environments
Buildings, tunnels, mines, etc.
3K
P.2011-1
Propagation on frequencies above the basic MUF
3L
_______________
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