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Radio-astronomía

Resultados :157 documentos
Resultados :  1 - 2 - 3 - 4  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Fecha Origen Título AI/Cuestión
[ 157 ]  
 
2003-04-28 WP 6S   Liaison statement to WP 7D - Protection of the radio astronomy service in the band 608-614 MHz      
[ 156 ]  
 
2003-04-25 WP 9D   Liaison statement to Working Parties 3M and 7D - PDNRs ITU-R F.[9D/RA43GHz] and F.[9D/P-MPaeirp]      
[ 155 ]  
 
2003-04-11 WP 6S   Liaison statement to WPs 6E, 7D, 8A, 8B and 9D      
[ 154 ]  
 
2003-04-08 WP 4A   Liaison statement to WPs 7C and 7D, and JRG 8A-9B - Preliminary draft revision of Recommendation ITU-R S.1427      
[ 153 ]  
 
2003-03-25 WP 6S   Reply to liaison statement from Working Party 7D - Compatibility between FSS/BSS systems operating below 42.5 GHz and RAS antenna operating in the band 42.5-43.5 GHz      
[ 152 ]  
 
2003-01-30 TG 1/8   Liaison statement to Working Party 7D - Ultra-wideband technology      
[ 151 ]  
 
2003-02-13 N/A (no se aplica)   Liaison statement to WPs 7C and 7D - Sharing between the broadcast service and other co-primary services in the frequency bands 174-230 MHz and 470-862 MHz      
[ 150 ]  
 
2002-12-13 TG 1/7   Liaison statement to Working Party 4A and copied to Working Parties 1A, 7C, 7D and Joint Working Party 4-9S - Compatibility analysis between the EESS (passive) in the band 50.2-50.4 GHz and a possible new allocation to the FSS (space-to-Earth) in parts of the band 47.2-50.2 GHz      
[ 149 ]  
(Rev.1) 
2002-11-12 Chairman, WP 7D   Report on the September/October 2002 meeting of Working Party 7D      
[ 148 ]  
(Rev.1) 
2002-10-04 Director, BR   Final List of Participants - Working Party 7D      
[ 147 ]  
 
2002-10-01 Russian Federation   Working document to preliminary draft new Recommendation - Time scale based on pulsar timing     205/7  
[ 146 ]  
 
2002-10-01 Russian Federation   International pulsar time scale      
[ 145 ]  
 
2002-09-30 WP 8D   Liaison statement to WP 7D - Adjacent band compatibility between mobile earth stations operating in the band 1 670-1 675 MHz and the radio astronomy service      
[ 144 ]  
 
2002-09-30 WP 8D   Liaison statement to WP 7D - Calculation of unwanted emission levels in the RAS band      
[ 143 ]  
 
2002-09-27 N/A (no se aplica)   List of documents issued      
[ 142 ]  
 
2002-09-27 IUCAF   Proposed Liaison Statement to TG 6/8 - First session of the regional Radiocommunication Conference for the revision of the European Broadcasting Agreement, Stockholm, 1961, in the frequency bands 174-230MHz and 470-862 MHz      
[ 141 ]  
 
2002-09-26 France   Protection of the radio astronomy service by the mobile satellite service in the band 1 660-1 670 MHz      
[ 140 ]  
 
2002-09-26 France   Compatibility studies between radio astronomy and the fixed-satellite service (space-to-Earth) around 49 GHz      
[ 139 ]  
 
2002-09-26 Vice-Chairman, SG 7   Review of the Questions assigned to Working Party 7D      
[ 138 ]  
 
2002-09-25 IUCAF   Scientific Committee on frequency allocations for radio astronomy and space science - Proposed revisions to Chapter 4 of the Radio Astronomy Handbook      
[ 137 ]  
 
2002-09-25 Germany (Federal Republic of)   Proposed draft Liaison statement to TG 6/8 - Information related to sharing between the broadcasting service the radio astronomy service in the frequency band 608-614 MHz      
[ 136 ]  
 
2002-09-25 Germany (Federal Republic of)   Proposed draft revision of Recommendation ITU-R RA.314-9 - Preferred frequency bands for radio astronomical measurements     145/7  
[ 135 ]  
 
2002-09-24 France   Working document toward the revision of Recommendation ITU-R RA.611-2 - Protection of the radio astronomy services from spurious emissions      
[ 134 ]  
 
2002-09-24 France   Draft revision of Recommendation ITU-R RA.517-2 - Protection of the radio astronomy sersvices from transmitters in adjacent bands      
[ 133 ]  
 
2002-09-24 France   Considertions about the projection criteria of Recommendation ITU-R RA.769      
[ 132 ]  
 
2002-09-24 IUCAF   Proposed revisions to Chapter 6 of the Radio Astronomy Handbook      
[ 131 ]  
 
2002-09-24 France   Mathematical model of average radiation patterns for radio astronomy antennas for use in certain coordination studies and interference assessment      
[ 130 ]  
 
2002-09-24 IUCAF   Proposal to the revision of Recommendation ITU-R RA.611-2 - Protection of the radio astronomy service from spurious emissions     145/7  
[ 129 ]  
 
2002-09-24 IUCAF   Proposal for the revision of Recommendation ITU-R RA.517-2 - Protection of the radio astronomy services from transmitters in adjacent bands     145/7  
[ 128 ]  
 
2002-09-24 N/A (no se aplica)   Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science Proposed revisions to Chapter 2 of the radio Astronomy Handbook      
[ 127 ]  
 
2002-09-24 IUCAF   Proposed Revision to Recommendation ITU-R RA.479 - Protection of frequencies for radioastronomical measurements in the shielded zone of the moon      
[ 126 ]  
 
2002-09-23 United States of America   Proposed revision to Chapter 9 of the Handbook on Radio Astronomy      
[ 125 ]  
 
2002-09-23 United States of America   Proposed revision to Chapter 8 of the Handbook on Radio Astronomy      
[ 124 ]  
 
2002-09-20 Japan   Proposed revision to Chapter 3 of Handbook on Radio Astronomy      
[ 123 ]  
 
2002-09-19 United States of America   Practical measurements of side-lobe levels of radio telescopes: Work in progress      
[ 122 ]  
 
2002-09-19 WP 6S   Liaison statement to Task Group 1/7 and Working Parties 4A, 4-9S, 7C, 7D, 8B and 8D - Further comments on CPM text for Agenda items 1.82 and 1.32 (WRC-03) and on preliminary draft Recommendation ITU-R SM.[BbB]      
[ 121 ]  
 
2002-09-10 WP 6E   Response from WP 6E to liaison statements from WP 4A, WP 6S and TG 6/8 and liaison statement to WP 7D, WP 8A, WP 8B, WP 8D and WP 9D     268/11  
[ 120 ]  
 
2002-09-06 WP 6E   Liaison statement to WPs 1A, 7D, 8A, 8B, 9C and TG 6/7 - Response to Liaison statement to WP 6E and TG 6/7 concerning compatibility between radiocommunication systems and high data telecommunication systems using electricity power supply or telephone distributing wiring (ITU-R Q. 221/1)     221/1, 32/6  
[ 119 ]  
 
2002-08-06 WP 1A   Use of out-of-band and spurious domains      
[ 118 ]  
 
2002-07-31 WPs 1A and 1B   Liaison statement to Working Parties 7C, 7D, 6E, 6S, 4A, 9D, 8A and 3J - Ultra-wideband emissions      
[ 117 ]  
 
2002-02-11 TG 6/8   Liaison statement to Working Parties 7B, 7C, 7D and 7E - Request for information related to sharing between the broadcasting service and other co-primary services in the frequency bands 174-230 MHz and 470-862 Mhz      
[ 116 ]  
 
2002-02-11 WP 8D   Liaison statement to WP 7D - Protection of radio astronomy in the band 1 660-1 670 MHz with respect to potential MSS earth terminals emissions in the band 1 670-1 675 MHz      
[ 115 ]  
 
2002-02-11 WP 8D   Liaison statement to Working Parties 7E and 7D - WRC-03 Agenda item 1.15 - Resolution 604: Unwanted emission levels produced by RNSS in the band 5 010-5 030 MHz into radio astronomy in the 4 990-5 000 MHz band      
[ 114 ]  
 
2002-02-11 WP 9D   Reply to Liaison statement from Working Party 7D - Observations on the working document towards PDNR ITU-R F.[9D/RA43GHz]      
[ 113 ]  
 
2002-02-11 WP 4A   Liaison from WP 4A      
[ 112 ]  
 
2002-02-11 WP 4A   Liaison statement to TG 1/7, WPs 7C and 7D on band-by-band studies      
[ 111 ]  
 
2002-02-11 WP 4A   Liaison statement to TG 1/7, WPs 7D and 6S - Compatibility analysis between radio astronomy service systems operating in the 42.5-43.5 GHz band and fixed-satellite service and broadcasting-satellite service systems operating in .      
[ 110 ]  
 
2002-02-11 WP 4A   Liaison statement for information to Working Parties 7D and 7E and Task Group 1/7      
[ 109 ]  
 
2002-02-11 WP 4A   Liaison statement to WPs 6S, 7D, 8D and TG 1/7 - Unwanted emissions from space services falling into passive bands      
[ 108 ]  
 
2002-02-11 WP 6S   Reply to liaison statements from WPs 7D, 8D, 4A and TG 1/7 - Band-by-band studies and calculation/measurement of unwanted emission levels      
Resultados :157 documentos
Resultados :  1 - 2 - 3 - 4  - Siguiente Next
 
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Actualizado el : 2003-04-28