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Science services

Results:97 total items.
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Contributions  Documents / Contributions
 
Number 
Received Source Title Questions
[ 72 ]  
 
2002-10-08 WP 7D   Draft revision of Recommendation ITU-R RA.1237 - Protection of the radio astronomy service from unwanted emissions resulting from applications of wideband digital modulation     N/A  
[ 71 ]  
 
2002-10-08 WP 7D   Draft revision of Recommendation ITU-R RA.611-2 - Protection of the radio astronomy services from spurious emissions     N/A  
[ 70 ]  
 
2002-10-08 WP 7D   Draft revision of Recommendation ITU-R RA.517-2 - Protection of the radio astronomy services from transmitters operating in adjacent bands     N/A  
[ 69 ]  
 
2002-10-08 WP 7C   Draft revision to Recommendation ITU-R SA.1260 - Feasibility of sharing between active spaceborne sensors and other services in the range 420-470 MHz     N/A  
[ 68 ]  
 
2002-10-08 WP 7C   Draft revision of Recommendation ITU-R SA.1264 - Feasibility of frequency sharing between the meteorological aids service and the mobile-satellite service (Earth-to-space) in the 1 668.4-1 700 MHz band     N/A  
[ 67 ]  
 
2002-10-08 WP 7A   Draft revision of Recommendation ITU-R TF.583-5 - Time codes     N/A  
[ 66 ]  
 
2002-10-08 WP 7A   Draft revision of Recommendation ITU-R TF.768-5 - Standard frequencies and time signals     N/A  
[ 65 ]  
 
2002-10-08 N/A   Draft revision of Recommendation ITU-R SA.1162-1 - Performance criteria for service links in data collection and platform location systems in the Earth exploration-and meteorological-satellite services     N/A  
[ 64 ]  
 
2002-10-08 WP 7A   Draft revision of Recommendation ITU-R TF.1153-1 - The operational use of two-way satellite time and frequency transfer employing PN codes     201/7  
[ 63 ]  
 
2002-10-07 Wp 7A   Draft revision of Recommendation ITU-R TF.536-1 - Time-scale notations     N/A  
[ 62 ]  
 
2002-10-07 WP 7B   Draft new Recommendation ITU-R SA.[Doc. 7/62] - Sharing between command links in the space research and space operation services with the fixed, mobile and mobile-satellite services in the frequency band 257-262 MHz     N/A  
[ 61 ]  
 
2002-10-07 WP 7D   Draft new Recommendation ITU-R RA.[PATTERN NGSO] - Reference radio astronomy antenna pattern to be used for compatibility analyses between non-GSO systems and RAS stations based on the epfd concept     N/A  
[ 60 ]  
 
2002-10-07 WP 7C   Draft new Recommendation ITU-R SA.[Doc. 7/60] - Sharing in the band 35.5-36 GHz between the Earth exploration-satellite service (active) and space research service (active), and other services allocated in this band     N/A  
[ 59 ]  
 
2002-10-07 WP 7C   Draft new Recommendation ITU-R SA.[DCSREQ] - Telecommunication requirements and characteristics of EES and METSAT systems for data collection and platform location     N/A  
[ 58 ]  
 
2002-10-07 WP 7B   Draft new Recommendation ITU-R SA.[15SHAR] - Feasibility of sharing between the space research service (space-to-Earth) and the fixed and mobile services in the band 14.8-15.35 GHz     N/A  
[ 57 ]  
 
2002-10-07 WP 7B   Draft new Recommendation ITU-R SA.[26SHAR] - Feasibility of sharing between the space research service (space-to-Earth) and the fixed, inter-satellite, and mobile services in the band 25.5-27.0 GHz     N/A  
[ 56 ]  
 
2002-08-23 Acting Chairman WP 7E   Executive summary for Study Group 7 on the meeting of Working Party 7E (27 - 30 May 2002)     N/A  
[ 55 ]  
 
2002-07-09 Chairman, JTG 4-7-8   Chairman's Report of Joint Task Group 4-7-8 (Geneva, 13-17 May 2002)     N/A  
[ 54 ]  
 
2002-06-28 Chairman, JTG 4-7-8-9   Executive Report on the third and final meeting of Joint Task Group 4-7-8-9 (30 April - 8 May 2002)     N/A  
[ 53 ]  
 
2001-10-15 WP 7D   Draft revision of Recommendation ITU-R RA.769-1 - Protection criteria used for radio astronomical measurements     N/A  
[ 52 ]  
 
2001-10-15 WP 7D   Draft new Recommendation ITU-R RA.[OPTICAL] - Technical and operational characteristics of ground-based astronomy systems for use in sharing studies with active services between 10 THz and 1 000 THz     N/A  
[ 51 ]  
 
2001-10-15 WP 7D   Draft revision of Recommendation ITU-R RA.1513 - Levels of data loss to radio astronomy observations and percentage-of-time criteria resulting from degradation by interference for frequency bands allocated to the radio astronomy on a primary basis     N/A  
[ 50 ]  
 
2001-10-15 WP 7C   Draft revision of Recommendation ITU-R SA.1029-1 - Permissible interference levels for satellite passive remote sensing     N/A  
[ 49 ]  
 
2001-10-15 WP 7C   Draft new Recommendation ITU-R SA.[EESS-4300] - Sharing between Earth exploration-satellite (passive) and airborne altimeters in the aeronautical radionavigation service in the band 4 200-4 400 MHz     N/A  
[ 48 ]  
 
2001-10-15 WP 7C   Draft revision of Recommendation ITU-R SA.515-3 - Frequency bands and bandwidths used for satellite passive sensing     N/A  
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