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UIT-R�WP4C	Nb max de documents affich�s/page:
Utilisation Efficace de l�Orbite/Spectre pour le SMS et le SRRS

Resultats:449 documents

R�sultats :�

Pr�c�dent�-� 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 �-�Suivant

Contributions��
�	Num�ro�	Titre	Source	AI/Question	Date
�	[ 249 ] � �	Liaison statement to Working Parties 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 7C and 7D - Characteristics to be used for assessing interference to systems operating in the Earth exploration-satellite and meteorological-satellite services, and for conducting sharing studies � �	WP 7B �	�	2021-09-16
�	[ 248 ] � +Ann.1-3�	Report of meetings of the Correspondence Group on 4 and 30 August 2021 � �	Chairman, WP 4C CG on WRC-23 a.i. 1.18 �	AI1.18 �	2021-09-15
�	[ 247 ] � +Ann.1�	Additional information on the preparation of texts for the draft CPM Report to WRC-23 � �	Director, BR �	�	2021-09-02
�	[ 246 ] � �	Reply liaison statement to Working Party 4C - Technical and operational characteristics and protection criteria of FSS systems for sharing and compatibility studies on WRC-23 agenda item 1.18 � �	WP 4A �	AI1.18 �	2021-08-03
�	[ 245 ] � +Ann.1-18�	Report of the twenty-sixth meeting of Working Party 4C (5 - 13 July 2021) (Virtual Meeting) � �	Chairman, WP 4C �	�	2021-07-13
�	[ 244 ] � �	Final list of participants Working Party 4C, E-meeting 5-13 July 2021 � �	Director, BR �	�	2021-07-13
�	[ 243 ] � �	Liaison statement to Working Party 5B (copied to Working Parties 3M, 4C and 7B for information) WRC-23 agenda item 1.7 - Comments on space-based aeronautical VHF communications in 117.975-137 MHz frequency band (Annex 29 to Working Party 5B Chairman's Report) � �	WP 3L �	�	2021-07-09
�	[ 242 ] � (Rev.1)�	List of documents issued (Documents 4C/162 - 4C/243) � �	BR, Study Groups Department �	�	2021-07-05
�	[ 241 ] � �	Reply Liaison statement to Working Party 4C (copy to Working Party 5A for information) - WRC-23 agenda item 9.1, topic b) � �	WPs 3K and 3M �	AI9.1B) �	2021-07-05
�	[ 240 ] � �	Reply liaison statement to Working Party 5D (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D for information) - WRC-23 agenda item 1.4 - Propagation information requested from Working Party 5D � �	WPs 3J, 3K and 3M �	AI1.4 �	2021-07-05
�	[ 239 ] � �	Reply liaison statement to Working Party 5D (copy to Working Parties 1B, 4A, 4B, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - WRC-23 agenda items 1.1 and 1.2 � �	WPs 3K and 3M �	AI1.2, AI1.1 �	2021-07-05
�	[ 238 ] � �	Reply liaison statement to Working Party 4C (copied to Working Parties 4A, 4B, 5A, 5C, 5D, and 7B for information) - WRC-23 agenda item 1.18 � �	WPs 3K and 3M �	AI1.18 �	2021-07-05
�	[ 237 ] � �	Proposed revisions to working document towards a preliminary draft new Report ITU-R M.[NB-MSS] � �	Canada �	AI1.18 �	2021-06-28
�	[ 236 ] � �	Proposed revisions to working document towards a preliminary draft new Report/[Recommendation] ITU-R M.[NB.MSS.COMPATIBILITY] � �	Canada �	�	2021-06-28
�	[ 235 ] � �	Proposed revisions to WDPDN Report ITU-R M.[AMATEUR-RNSS] - Considerations on technical and operational measures to ensure the protection of receivers of the primary Radionavigation-Satellite Service (space-to-Earth) from transmitters of the secondary Amateur and Amateur-Satellite Services within the frequency band 1 240-1 300 MHz � �	Germany (Federal Republic of) �	AI9.1B) �	2021-06-28
�	[ 234 ] � �	Proposals for working document towards a preliminary draft new Recommendation ITU-R M.[REC.MSS IMT L-BAND COMPATIBILITY] � �	GSMA �	�	2021-06-28
�	[ 233 ] � �	Working document towards a draft CPM text to WRC-23 for agenda item 1.11 � �	China (People's Republic of) �	AI1.11 �	2021-06-28
�	[ 232 ] � �	Draft revision of Recommendation ITU-R M.1902-1 - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) operating in the band 1 215-1 300 MHz � �	France �	Q288/4, Q217/4 �	2021-06-28
�	[ 231 ] � �	Draft revision of Recommendation ITU-R M.1787-3 - Description of systems and networks 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 � �	France �	Q288/4, Q217/4 �	2021-06-28
�	[ 230 ] � �	Draft revision of working document towards a preliminary draft new Report ITU-R M.[AMATEUR-RNSS] - Considerations on technical and operational measures to ensure the protection of receivers of the primary Radionavigation-Satellite Service (space to-Earth) from transmitters of the secondary Amateur and Amateur-Satellite Services within the frequency band 1 240-1 300 MHz � �	France �	AI9.1B) �	2021-06-28
�	[ 229 ] � �	Draft liaison statement to the IMO - Adjacent band compatibility studies of IMT systems in the mobile service in the band 1 492-1 518 MHz with respect to systems in the mobile-satellite service in the frequency band 1 518-1 525 MHz � �	Inmarsat Global Ltd. �	�	2021-06-28
�	[ 228 ] � �	Working document towards a preliminary draft new Report ITU-R M.[NB-MSS] - Studies relating to spectrum needs and potential new allocations to the mobile-satellite service in the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz for future development of narrowband mobile-satellite systems � �	Sateliot �	AI1.18 �	2021-06-28
�	[ 227 ] � �	Development of working document towards a preliminary draft new Recommendation ITU-R M.[REC.MSS & IMT L-BAND COMPATIBILITY] � �	Japan �	�	2021-06-28
�	[ 226 ] � �	Proposed revisions to working document towards a preliminary draft new Recommendation ITU-R M.[REC.MSS & IMT L-BAND COMPATIBILITY] - Adjacent band compatibility studies of IMT systems in the mobile service in the band 1 492-1 518 MHz with respect to systems in the mobile satellite service in the band 1 518-1 525 MHz � �	Inmarsat Global Ltd. �	�	2021-06-28
�	[ 225 ] � �	Draft liaison statement to Working Party 1B - Revision to Recommendation ITU-R SM.1896-1 � �	Inmarsat Global Ltd. �	�	2021-06-28
�	[ 224 ] � �	Draft revision of working document towards a preliminary draft new Report ITU-R M.[AMATEUR-RNSS] - Considerations on technical and operational measures to ensure the protection of receivers of the primary Radionavigation-Satellite Service (space-to-Earth) from transmitters of the secondary Amateur and Amateur-Satellite Services within the frequency band 1 240-1 300 MHz � �	European Commission, DG JRC �	AI9.1B) �	2021-06-28
�	[ 223 ] � �	Adjacent band compatibility studies of IMT systems in the mobile service in the band 1 492-1 518 MHz with respect to systems in the mobile satellite service in the band 1 525-1 559 MHz � �	ITU-APT Foundation of India (IAFI) �	�	2021-06-28
�	[ 222 ] � �	Ensuring coexistence between MSS and IMT in the L-band � �	Samoa (Independent State of) , Palau (Republic of) , Solomon Islands , Vanuatu (Republic of) �	�	2021-06-28
�	[ 221 ] � �	Proposed some modifications in working document towards a preliminary draft new Report/Recommendation ITU-R M.[NB.MSS.Compatibility] - Compatibility studies for NB.MSS with other services in the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz � �	Egypt (Arab Republic of) �	AI1.18 �	2021-06-28
�	[ 220 ] � �	Proposal for working document towards a preliminary draft new Report ITU-R M.[NB-MSS] - Studies relating to spectrum needs and potential new allocations to the mobile-satellite service in the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz for future development of narrowband mobile-satellite systems � �	Omnispace LLC �	�	2021-06-28
�	[ 219 ] � �	Working document towards a preliminary draft new Report ITU-R M.[NB-MSS] (Working document relating to WRC-23 agenda item 1.18) - Studies relating to spectrum needs and potential new allocations to the mobile-satellite service in the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz for future development of narrowband mobile-satellite systems � �	United States of America �	AI1.18 �	2021-06-25
�	[ 218 ] � �	Working document towards draft CPM text for WRC-23 agenda item 1.18 � �	United States of America �	AI1.18 �	2021-06-25
�	[ 217 ] � �	Revisions to working document towards a preliminary draft new Report ITU-R M.[AMATEUR-RNSS] (Questions ITU-R 217-2/4 and ITU-R 288/4) � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 216 ] � �	Working document toward preliminary draft revision of Recommendation ITU-R M.1901-2 - Guidance on ITU-R Recommendations related 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 � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 215 ] � �	Proposed draft reply liaison statement to Working Party 7C on EESS-RNSS matters (Questions ITU-R 217-2/4 and ITU-R 288/4) � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 214 ] � �	Proposed updates to preliminary draft revision of Report ITU-R M.2220-0 - Calculation method to determine aggregate interference parameters of pulsed RF systems operating in and near the bands 1 164-1 215 MHz and 1 215-1 300 MHz that may impact radionavigation-satellite service airborne and ground-based receivers operating in those frequency bands... � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 213 ] � �	Proposed updates to preliminary draft new Report ITU-R M.[RNSS_Rcv_Chair] - Use of RNSS receiver characteristics in assessment of interference from pulsed sources in the 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz frequency bands (Questions ITU-R 217-2/4 and ITU-R 288/4) � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 212 ] � �	Proposed updates to preliminary draft revision of Recommendation ITU-R M.1902-1 - Characteristics and protection criteria for receiving earth stations in the radionavigation-satellite service (space-to-Earth) operating in the band 1 215-1 300 MHz (Questions ITU-R 217-2/4 and ITU-R 288/4) � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 211 ] � �	Proposed updates to preliminary draft revision of Recommendation ITU-R M.1787-3 - Description of systems and networks 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 (Questions ITU-R 217-2/4 and ITU-R 288/4) � �	United States of America �	Q288/4, Q217/4 �	2021-06-25
�	[ 210 ] � �	Proposed draft reply liaison statement to Working Party 7C - WRC-23 agenda item 9.1, topic a) � �	United States of America �	AI9.1A) �	2021-06-25
�	[ 209 ] � �	Working document towards a preliminary draft new Report ITU-R M.[ADD_GSO_GMDSS] or Working document related to agenda item 1.11 - Introduction of additional GSO MSS systems into the GMDSS (WRC-23 agenda item 1.11, resolves 3) � �	United States of America �	AI1.11 �	2021-06-25
�	[ 208 ] � �	Liaison statement from IMSO to ITU-R Working Parties 4C and 7D - Introduction of additional GSO MSS systems into the GMDSS (WRC-23 agenda item 1.11, resolves 3) � �	International Mobile Satellite Organization �	AI1.11 �	2021-06-25
�	[ 207 ] � (Rev.1)�	Reply liaison statement to Working Parties 4C, 5A and 7C - Characteristics of terrestrial component of IMT for sharing and compatibility studies in preparation for WRC-23 � �	WP 5D �	�	2021-06-25
�	[ 206 ] � �	Provisional work plan of Working Party 4C on "Working document towards considerations towards technical and operational measures to address the reported experience on MSS from IMT in certain countries in Region 3" � �	India (Republic of) �	�	2021-06-25
�	[ 205 ] � �	Working document towards a preliminary draft new Report ITU-R M.[S-MSS&IMT SHARING] - Working document towards considerations towards technical and operational measures to address the reported experience on MSS from IMT in certain countries in Region 3 � �	India (Republic of) �	�	2021-06-25
�	[ 204 ] � �	Technical characteristics of Radio Determination Satellite Service (RDSS) in the frequency bands 2 483.5-2 500 MHz for use in developing criteria for sharing between the RDSS and other services under the administration of India � �	India (Republic of) �	AI1.4 �	2021-06-25
�	[ 203 ] � �	Draft revision of Recommendation ITU-R M.1787-3 - Description of systems and networks 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 � �	Korea (Republic of) �	Q288/4, Q217/4 �	2021-06-25
�	[ 202 ] � �	Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D - WRC-23 agenda item 1.4 � �	WP 5D �	AI1.4 �	2021-06-18
�	[ 201 ] � �	Liaison statement to CISPR F and CISPR A, and to ITU-R Working Parties 4C and 5B (copy to CISPR, IMO and IMSO) - Interference to maritime communication systems from light emitting diode (LED) lighting located onboard the same vessel � �	WP 1A �	�	2021-06-17
�	[ 200 ] � �	Proposed draft revision of Recommendation ITU-R M.633-4 - Transmission characteristics of a satellite emergency position-indicating radio beacon (satellite EPIRB) system operating through a satellite system in the 406 MHz band � �	International Cospas-Sarsat Programme �	�	2021-06-14
Resultats:449 documents R�sultats :� Pr�c�dent�-� 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 �-�Suivant �

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