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ITU-R SG04

Satellite services

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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 55 ]  
 
Draft new Question ITU-R [QUESTION ITU-R 71/6]/4 - Sharing studies between high-definition television in the broadcasting-satellite service and other services     WP 4A   71/6   2008-10-15
[ 54 ]  
 
Draft new Question ITU-R [QUESTION ITU-R 57/6]/4 - Frequency sharing issues related to the introduction of the broadcasting-satellite service (sound) in the frequency range 1-3 GHz     WP 4A   57/6   2008-10-15
[ 53 ]  
 
Draft new Question ITU-R [QUESTION ITU-R 72/6]/4 - Digital techniques in the broadcasting-satellite service (sound and television)     WP 4A   72/6   2008-10-15
[ 52 ]  
(Rev.1) 
Draft revision of Recommendation ITU-R S.465-5 - Reference earth-station radiation pattern for use in coordination and interference assessment in the frequency range 2 to about 30 GHz     WP 4A     2008-10-15
[ 51 ]  
 
Draft new Question ITU-R [QUESTION ITU-R 73-1/6]/4 - Receiving earth station antennas for the broadcasting-satellite service     WP 4A   73-1/6   2008-10-15
[ 50 ]  
(Rev.1) 
Draft new Recommendation ITU-R S.[CSREF-PATT] - Reference earth-station radiation pattern for antennas used with closely spaced satellites in the geostationary-satellite orbit for use in coordination and interference assessment in the frequency range from 2 to 31 GHz     WP 4A     2008-10-15
[ 49 ]  
(Rev.1) 
Draft new Recommendation ITU-R S.[XP-VSAT] - Cross-polarization reference gain pattern for linearly polarized very small aperture terminals (VSATs) for frequencies in the range 2 to 31 GHz     WP 4A     2008-10-15
[ 48 ]  
 
Draft new Question ITU-R [QUESTION ITU-R 76/6]/4 - Satellite broadcasting of high-definition television     WP 4A   76/6   2008-10-15
[ 47 ]  
 
Draft revision of Question ITU-R 245/4 - Out-of-band and spurious emission limits     WP 4A   245/4   2008-10-15
[ 46 ]  
 
Draft revision of Question ITU-R 235/4 - Use of operational facilities to meet power-flux-density limitation under Article 21 of the Radio Regulations     WP 4A   235/4   2008-10-15
[ 45 ]  
 
Liaison statement from Study Group 7 to Study Group 4 (and copy to SGs 1, 3, 5, 6 and for information to RAG) - Inter-working of Study Group 4 with other ITU-R Study Groups for issues involving Working Parties of more than one Study Group     SG 7     2008-10-14
[ 44 ]  
 
Liaison statement from Study Group 7 to Study Group 4 (copy to Working Party 4A) - Applicability of Recommendation ITU-R S.1432 to the meteorological-satellite service in the frequency bands 18.1-18.4 GHz in Regions 1 and 3 18.0-18.3 GHz in Region 2     SG 7     2008-10-14
[ 43 ]  
 
Draft new Recommendation ITU-R M.[1088_NEW] - Characteristics and protection criteria for receiving earth stations in the redionavigation-satellite service (space-to-Earth) operating in the band 1 215-1 300 MHz     WP 4C   236-2/8, 217-2/8   2008-10-14
[ 42 ]  
 
Draft new Question ITU-R [DIGMSS]/4 - Performance objectives for digital mobile-satellite services     WP 4C   112/8   2008-10-14
[ 41 ]  
(Rev.1) 
Draft new Recommendation ITU-R M.[1317_NEW] - Description of systems and netwoks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz, and 1 559-1 610 MHz     WP 4C   236-2/8, 217-2/8   2008-10-14
[ 40 ]  
 
Draft new Recommendation ITU-R M.[1477_NEW] - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) and receivers in the aeronautical radionavigation service operating in the band 1 559-1 610 MHz     WP 4C   236-2/8, 217-2/8   2008-10-14
[ 39 ]  
 
Draft new Recommendation ITU-R M.[1479_NEW] - Characteristics, performance requirements and protection criteria for receiving stations of the radionavigation-satellite service (space-to-space) operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz     WP4C   236-2/8, 217-2/8   2008-10-14
[ 38 ]  
 
Draft new Recommendation ITU-R M.[CHAR-RX3] - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) operating in the band 1 164-1 215 MHz     WP 4C   236-2/8, 217-2/8   2008-10-14
[ 37 ]  
 
Draft new Recommendation ITU-R M.[RNSS_ORG] - Guidance on ITU-R Recommendations ralated to systems and networks in the radionavigation-satellite service operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz, 1 559-1 610 MHz, 5 000-5 010 MHz and 5 010-5 030 MHz     WP 4C   236-2/8, 217-2/8   2008-10-14
[ 36 ]  
 
Draft new Question ITU-R [MSS_AVAL]/4 - Availability of digital paths in mobile-satellite services     WP 4B   85-1/8   2008-10-14
[ 35 ]  
 
Draft new Question ITU-R [NGN]/4 - Performance objectives of digital links in the fixed-satellite and mobile-satellite services forming elements of the Next Generation Network     WP 4B     2008-10-14
[ 34 ]  
 
Implementation of Resolutions ITU-R 1-5 and 5-5 and other issues     Syrian Arab Republic     2008-10-09
[ 33 ]  
 
Workshop on the efficient use of spectrum/orbit resource     Director, BR     2008-09-16
[ 32 ]  
 
Future updating of the ITU-R Recommendations developed by the former Working Parties 8D and 8F     Chairmen, Study Groups 4 and 5     2008-08-28
[ 31 ]  
 
Reply to liaison statement from Study Group 4 - Inter-Working of Study Group 4 with other ITU-R Study Groups for issues involving Working Parties of more than one Study Group     SG 1     2008-07-24
[ 30 ]  
 
Liaison statement on improved geographic distribution and coordination of ITU-T Seminars and Workshops     TSAG     2008-07-23
[ 29 ]  
 
Liaison statement to Study Group 4 - Appointment of a rapporteur on BSS between Study Group 6 (Working Party 6B) and Study Group 4 (Working Party 4B)     WP 6B     2008-06-23
[ 28 ]  
+Add.1 
Summary record of Study Group 4 meeting on 17 and 18 April 2008     SG 4     2008-05-16
[ 27 ]  
 
Final List of Participants (Geneva, 17-18 April 2008)     Director, BR     2008-04-18
[ 26 ]  
 
Inter-working of Study Group 4 with other ITU-R Study Groups     Chairman, SG 4     2008-04-18
[ 25 ]  
 
List of documents issued     BR Study Group Department     2008-04-16
[ 24 ]  
 
Executive Report of the twenty third and twenty fourth meetings of Working Party 4B     Interim Chairman, WP 4B     2008-04-16
[ 23 ]  
 
Executive report of the first meeting of Working Party 4C     Interim Chairman, WP 4C     2008-04-16
[ 22 ]  
 
Executive Report of Working Party 4A activities since September 2006     Interim Chairman, WP 4A     2008-04-16
[ 21 ]  
 
Applicability of Recommendation ITU-R S.1432 to the meteorological satellite service in the frequency bands 18.1-18.4 GHz in Regions 1 and 3 and 18.0-18.3 GHz in Region 2     Chairman, SG 7     2008-04-16
[ 20 ]  
 
Proposed liaison statement to relevant Working Parties of Study Group 5 - Methodology for determining whether a transmit IMT station meets the PFD limit in provisions of the radio regulations     WP 4A     2008-04-16
[ 19 ]  
 
Draft new Question ITU-R [HYBRID]/4 - System architecture and performance aspects on [hybrid] satellite and terrestrial systems     WP 4B     2008-04-15
[ 18 ]  
 
Draft new Question ITU-R [INTGR]/4 - System architecture, performance and service attributes relating to integrated mobile-satellite and ground component systems operating within the mobile-satellite service, including systems intended for Next Generation Networks     WP 4B     2008-04-15
[ 17 ]  
 
Liaison statement to Study Group 4 - Proposed scopes for Recommendations under the joint responsibility of Study Groups 4 and 5     SG 5     2008-04-15
[ 16 ]  
(Rev.1) 
Draft new Recommendation ITU-R S.[Availability] - Availability objectives for hypothetical reference digital paths in the fixed-satellite service operating below 15 GHz     WP 4B     2008-04-15
[ 15 ]  
 
Draft new Question ITU-R [GSO]/4 - Technical methods for improving the shared use of the geostationary-satellite orbit     WP 4A     2008-04-15
[ 14 ]  
 
Proposed suppression of 3 Study Group 4 Questions     Interim Chairman, WP 4A     2008-04-15
[ 13 ]  
 
Assignments of Questions to the Working Parties of Radiocommunication Study Group 4     France     2008-04-04
[ 12 ]  
 
Candidacy for the chairmanship of Working Party 4C     France     2008-04-02
[ 11 ]  
 
Spectrum sharing and interference management in bands allocated to the broadcasting-satellite service (BSS)     North American Broadcasters Association     2008-03-31
[ 10 ]  
 
Future updating of the ITU-R Recommendations developed by the former Working Parties 8D and 8F     Chairmen, SGs 4 and 5     2008-03-20
[ 9 ]  
 
Organization of the Working Parties of Radiocommunication Study Group 4 - Satellite services     France     2008-03-19
[ 8 ]  
(Rev.1) 
Provisional attribution of the Study Group 4 texts to the Working Parties     Chairman, SG 4     2008-03-17
[ 7 ]  
(Rev.1) 
WRC-07 Resolutions and Recommendations related to the work of Study Group 4     Chairman, SG 4     2008-03-14
[ 6 ]  
 
Liaison statement to Study Group 4 and the Special Committee on Regulatory and Procedural Matters on Resolution 80 (Rev.WRC-07)     Director, Radiocommunication Bureau     2008-03-14
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