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Propagación punto a punto y Tierra-espacio

Resultados :454 documentos
Resultados :  Anterior -  1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Título Origen AI/Cuestión
Fecha
[ 154 ]  
 
Proposed modifications to working document towards a preliminary draft revision of Recommendation ITU-R P.1409-1 - 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     Russian Federation     2021-04-15
[ 153 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 3K and 3M for information) - Draft new Recommendation ITU-R SA.[IMT-EESS/SRS COORDINATION]     WP 7B     2021-04-15
[ 152 ]  
 
Comparison of the propagation losses for short paths using ITU-R propagation model     ORANGE POLSKA S.A.     2021-04-15
[ 151 ]  
 
This number is not used     N/A (no se aplica)     2021-04-20
[ 150 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 3K, 3M, 4A, 4B, 4C, 5A, 5B, 5C, 7C and 7D for information) - Reply liaison statement to Working Party 5D concerning WRC-23 agenda item 1.2     WP 7B   AI1.2   2021-04-15
[ 149 ]  
 
Activity Report of Correspondence Group 3K-3M-18 - Common issues relating to Recommendations ITU-R P.1812 and ITU-R P.452     CG 3K-3M-18     2021-04-13
[ 148 ]  
 
Proposed draft reply liaison statement to Working Party 5B - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service for the use of non-safety applications     United States of America   AI1.10   2021-04-12
[ 147 ]  
 
Report on the activities of Correspondence Group 3J-3K-3M-14 - Issues Relating to the HAPS Propagation Model     Chairman, 3J-3K-3M-14     2021-04-12
[ 146 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 4B, 4C, 5A, 5B, 5C, and 7C for information) - Reply liaison statement to Working Party 4A concerning WRC-23 agenda item 1.17     WP 7B   AI1.17   2021-04-09
[ 145 ]  
 
Liaison statement to Working Party 5D (copy to Working Parties 3K, 3L, 3M, 5A, and 5B) - WRC-23 agenda item 1.4     WP 6A   AI1.4   2021-04-07
[ 144 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3L and 3M) - WRC-23 agenda item 1.9     WP 6A   AI1.9   2021-04-07
[ 143 ]  
 
Activity Report of Correspondence Group 3K-3M-9 - Air-to-Ground Propagation     CG 3K-3M-9     2021-03-30
[ 142 ]  
 
Activity Report of Correspondence Group 3M-4 - Software products, digital maps and reference numerical data products     CG 3M-4     2021-03-29
[ 141 ]  
 
Correspondence Group 3K-3M-12 Activity Report     Rapporteur, CG 3K-3M-12     2021-03-29
[ 140 ]  
 
Report on activities of the Correspondence Group - Building Entry Loss     Chairman, CG 3J-3K-3M-8     2021-03-29
[ 139 ]  
 
Liaison statement to Working Party 7C (copy to Working Party 3M for information) - WRC-23 agenda item 1.15     WP 4A   AI1.15   2021-03-16
[ 138 ]  
 
Liaison statement to Working Party 3M - Recommendation ITU-R P.618     WP 4A     2021-03-16
[ 137 ]  
 
Reply liaison statement to Working Party 5C (copy to Working Party 3M for information) - WRC-23 agenda item 1.15     WP 4A   AI1.15   2021-03-16
[ 136 ]  
 
Reply liaison statement from Working Party 5D to Task Group 6/1 (copy to ITU-R Working Parties 3K, 3M, 5A, 5B, 5C, 6A, 7D) - Preparations of WRC-23 agenda item 1.5 Information on spectrum use and spectrum needs of existing services including IMT within the frequency band 470-960 MHz in Region 1     WP 5D   AI1.5   2021-03-16
[ 135 ]  
 
Reply liaison statement from Working Party 5D to Task Group 6/1 (copy to Working Parties 3K, 3M, 5A, 5B, 5C, 6A, 7D) - Preparations for WRC-23 agenda item 1.5 - Information for sharing and compatibility studies     WP 5D   AI1.5   2021-03-16
[ 134 ]  
 
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   2021-03-15
[ 133 ]  
 
Liaison statement to Working Party 5A (copy to Working Party 3M for information) - Information for studies on WRC-23 agenda item 9.1, topic b) - Applications and typical operational characteristics of the amateur and amateur-satellite services operating in the frequency band 1 240-1 300 MHz     WP 4C   AI9.1B)   2021-03-12
[ 132 ]  
 
Proposed draft reply liaison statement to Working Party 1A regarding working document towards a preliminary draft revision of Report ITU-R SM.2352-0 (copied to working Parties 3K and 3M for information)     Chairman, WP 3J   Q237/1   2021-02-15
[ 131 ]  
 
Rain attenuation prediction for non-geostationary satellites     Malaysia     2021-01-08
[ 130 ]  
 
Liaison statement to Working Parties 3J, 3K and 3M - Working document towards a preliminary draft revision of Report ITU-R SM. 2352-0     WP 1A   Q237/1   2020-12-14
[ 129 ]  
 
Liaison statement to Working Parties 4C and 3M - Update on work towards WRC-23 agenda item 9.1, topic b)     WP 5A   AI9.1 B)   2020-12-04
[ 128 ]  
 
Liaison statement to Working Party 4C (copy to Working Party 3M for information) - Information for studies on WRC-23 agenda item 9.1, topic b) - Applications and typical operational characteristics of the amateur and amateur-satellite services operating in the frequency band 1 240-1 300 MHz     WP 5A   AI9.1 B)   2020-12-02
[ 127 ]  
 
Liaison statement to Working Parties 3J, 3K, and 3M - Use of the 252-296 GHz frequency band by the land-mobile service applications     WP 5A   Q256/5   2020-12-01
[ 126 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 3K, 3M, 4A, 5A, 7C, and 7D for information) - WRC-23 agenda item 1.10     WP 5C   AI1.10   2020-11-27
[ 125 ]  
 
Liaison statement to Working Party 4A (copy for information to Working Parties 3M, 5A, and 5B) - WRC-agenda item 1.15 - Studies on use of the frequency band 12.75-13.25 GHz (Earth-to-space) by earth stations on aircraft and vessels communicating with geostationary space stations in the fixed-satellite service     WP 5C   AI1.15   2020-11-27
[ 124 ]  
 
Reply liaison statement to Working Party 3M (copy to Working Parties 3K, 4A, 5A, 5C, 7C and 7D for information) - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service for the use of non-safety applications     WP 5B   AI1.10   2020-11-23
[ 123 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 1B, 3J, 3K, 3L, 3M, 4A, 4C, 5A, 5B, 5D, 6A, and 7D for information) - WRC-23 agenda item 9.1, topic a)     WP 5C   AI9.1 A)   2020-11-20
[ 122 ]  
 
Reply liaison statement to Working Party 3L (copied to Working Parties 3M, 4C and 7B for information) - Propagation considerations of a new aeronautical mobile-satellite (R) service allocation in the frequency band 117.975-137 MHz     WP 5B   AI1.7   2020-11-20
[ 121 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 1A, 3J, 3K, 3M and 5A for information) - Mitigation techniques and specific conditions to be applied to the fixed service applications in the frequency bands 296-306 GHz, 313-318 GHz and 333-356 GHz, to ensure the protection of Earth exploration-satellite service (passive) applications in accordance with RR No. 5.564A     WP 5C     2020-11-20
[ 120 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 1A, 3J, 3K, 3M and 5C for information) - Assessment of mitigation techniques and specific conditions to be applied to the land-mobile service applications in the frequency bands 296-306 GHz, 313-318 GHz and 333 356 GHz, to ensure the protection of Earth exploration-satellite service (passive) applications...     WP 5A     2020-11-20
[ 119 ]  
 
Reply liaison statement to Working Parties 4B and 5A (copy for information to Working Party 3M) - WRC-23 agenda item 1.17     WP 4A   AI1.17   2020-11-09
[ 118 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Party 3M for information) - WRC-23 agenda item 1.15     WP 4A   AI1.15   2020-11-09
[ 117 ]  
 
Reply liaison statement to Working Party 5A (copy to Working Party 3M for information) - WRC-23 agenda item 1.15     WP 4A   AI1.15   2020-11-09
[ 116 ]  
 
Reply liaison statement to Working Party 5C (copy to Working Parties 3M, 4C, 5A, 5B, 7B, and 7C for information) - WRC-23 agenda item 1.16     WP 4A   AI1.16   2020-11-06
[ 115 ]  
 
Reply liaison statement to Working Party 5C (copy to Working Party 3M for information) - WRC-23 agenda item 1.15     WP 4A   AI1.15   2020-11-06
[ 114 ]  
 
Reply liaison statement to Working Party 5C (copy for information to Working Parties 3M, 5A, 5B and 7B) - WRC-23 agenda item 1.19     WP 4A   AI1.19   2020-11-06
[ 113 ]  
 
Liaison statement to Working Party 3M - WRC-23 agenda item 1.18     WP 4C   AI1.18   2020-11-03
[ 112 ]  
 
Liaison statement to Working Party 3M on WRC-23 agenda item 9.1 (copy to Working Party 5A for information) - Information for studies on WRC-23 agenda item 9.1, topic b)     WP 4C   AI9.1 B)   2020-11-03
[ 111 ]  
 
Liaison statement to Working Party 5B (Copy for information to Working Parties 3M, 4A and 7B) - Information for studies on WRC-23 agenda item 1.6     WP 4C   AI1.6   2020-10-28
[ 110 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 4A, 4B, 5A, 7D and 3M for information) - WRC-23 agenda item 1.8 - Technical and operational characteristics and protection of the fixed service     WP 5C   AI1.8   2020-11-20
[ 109 ]  
 
Reply liaisons statement to Working Parties 3K and 3M (copy for information to Working Parties 5A, 5B, 5C, 5D, 6A and 7D) - Issues related to propagation for sharing studies in Task Group 6/1     TG 6/1   AI1.5   2020-10-26
[ 108 ]  
 
Liaison statement from Task Group 6/1 to contributing Working Parties 5A, 5B, 5C, 5D, 6A and 7D (copy to Working Parties 3K and 3M for information) - Preparations for WRC-23 agenda item 1.5 - Information for sharing and compatibility studies     TG 6/1   AI1.5   2020-10-26
[ 107 ]  
 
Liaison statement to Working Parties 3J, 3K and 3M - WRC-23 agenda item 1.4     WP 5D   AI1.4   2020-10-27
[ 106 ]  
 
Reply liaison statement to ITU-R Working Parties 3K and 3M (copy to Working Parties 1B, 3J, 4A, 4B, 4C, 5A, 5B, 5C, 7B, 7C, and 7D for information) - Preparations for WRC-23 agenda items 1.1 and 1.2     WP 5D   AI1.2, AI1.1   2020-10-21
[ 105 ]  
 
Liaison statement to Working Party 5D (copy to Working Parties 3K, 3L, 3M, 5A, and 5B) - WRC-23 agenda item 1.4     WP 6A   AI1.4   2020-10-19
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