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Radio-astronomy

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Contributions
	Number	Title	Source	AI/Question	Date
	[ 102 ]	Liaison statement to Working Parties 1A, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7C, 7D and Joint Task Group 5-6 - Development of a Handbook on propagation information for the prediction of interference and coordination distance	WP 3M		2009-06-18
	[ 101 ]	Liaison statement to Working Party 7D copy for information to Working Party 1A - Atmospheric absorption in the frequency range 1-350 THz	WP 3J		2009-06-16
	[ 100 ]	Liaison statement to Working Party 7D (copy to Working Parties 1A, 4A, 7B and 7C for information) - WRC-11 Agenda item 1.8 - Consideration of technical and regulatory issues relative to the fixed service in the bands between 71 GHz and 238 GHz	WP 5C		2009-06-12
	[ 99 ]	Liaison statement to Working Parties 6A, 6B and 6C (copy to Working Parties 4A, 4C, 5A, 7B and 7D for information) - Harmonization of spectrum for use by terrestrial electronic news gathering systems	WP 5C		2009-05-29
	[ 98 ]	Liaison statement to Working Party 7D - Revision of Recommendation ITU-R RA.1513-1	WP 4A		2009-05-28
	[ 97 ]	Liaison statement to ITU-R Working Party 7D (copy to Working parties 1A and 1C for information) - Impact from PLT systems and measurement methods	WP 6A		2009-05-25
	[ 96 ]	Liaison statement to Working Party 5C (copy to WPs 4A, 4C, 5A, 6A, 6C, 7B and 7D for information) - Preliminary draft new Recommendation ITU-R BT.[ENGUSER] - User requirements for electronic news gathering	WP 6B		2009-05-14
	[ 95 ]	Reply liaison statement to ITU-R Working Party 5B on studies related to WRC-11 Agenda item 1.15 (copy to Working Parties 5A, 5C and 7B and 7D for information) - Consider possible allocations in the frequency range 3-50 MHz to the radiolocation service for oceanographic radar applications	WP 6A	240/5	2009-05-13
	[ 94 ]	Reply liaison statement to ITU-R Working Parties 5B and 5C (copy to Working Parties 5A, 7B and 7D for information) - Consider possible allocations in the frequency range 3-50 MHz to the radiolocation service for oceanographic radar applications	WP 6A		2009-05-13
	[ 93 ]	Liaison statement to Working Party 5C - Progress on WRC-11 Agenda item 1.5 - Harmonization of spectrum for use by terrestrial electronic news gathering systems	WP 6A		2009-05-13
	[ 92 ]	Liaison statement to Working Parties 5C and 6B for action and to Working Parties 3M, 4B, 5A, 6A and 7D for information on WRC-11 Agenda item 1.13	WP 4A		2009-05-11
	[ 91 ]	Liaison statement to Working Party 5B (copy to Working Parties 3M and 7D for information) - Compatibility studies between the radiolocation service and the fixed-satellite service	WP 4A		2009-05-11
	[ 90 ]	ITU-R Study Group 4 Question to be brought to the attention of Study Groups 5 and 7	BR Study Group Department		2009-05-04
	[ 89 ]	Information on activities and output documents of ITU-T Focus Group ICTs & CC	Chairman ITU-T FG ICTs & CC		2009-04-02
	[ 88 ]	Liaison statement to Radiocommunication Study Groups and Working Parties	Chairman, CCV		2009-03-20
	[ 87 ]	Liaison statement to ITU-R Study Group 3 and Working Parties 4A, 4C, 5A, 5B, 6A, 7C, 7D (copy to WPs 5C, 5D, 6C and 7B for information) on the study of software-defined radio and cognitive radio systems	WP 1B		2009-03-19
	[ 86 ]	Liaison statement to Working Parties 7C and 7D - WRC-11 Agenda item 1.6/1, Resolution 950 (Rev.WRC-07)	WP 1A		2009-03-17
	[ 85 ]	Liaison statement (copy to Working Parties 1C and 6A for information) - Impact of power line telecommunication systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz	WP 1A	218/1, 221/1	2009-03-17
	[ 84 ]	Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5D, 6A, 7C and 7D on WRC-11 Agenda item 1.22	WP 1A		2009-03-17
	[ 83 ]	Liaison statement - WRC-11 Agenda item 1.6	WP 1A		2009-03-17
	[ 82 ] +Ann.1-8	Report of the meeting of Working Party 7D (16-20 February 2009)	Chairman, WP 7D		2009-02-20
	[ 81 ]	Final list of Participants (Geneva, 16-19 February 2009)	Director, BR		2009-02-19
	[ 80 ]	Liaison statement - Questionnaire from ITU-T Focus Group on ICT and climate change	Chairman, FC ICT&CC		2009-02-17
	[ 79 ]	List of documents issued	BR Study Group Department		2009-02-13
	[ 78 ]	Contribution to the preliminary draft new Report ITU-R RA.[DTV] - The transition to digital television and its impact on the unprotected use by the radio astronomy service of bands used for terrestrial television broadcasting	Japan	145/7	2009-02-06
	[ 77 ]	Proposed modifications to draft CPM text on WRC-11 Agenda item 1.6 (Resolution 950 (Rev.WRC-07))	Japan		2009-02-06
	[ 76 ]	Working document towards a preliminary draft new Report on characteristics of radio quiet zones: Properties of the radio coordination zone around the Itapetinga radio telescope	Brazil (Federative Republic of)	242/7	2009-02-09
	[ 75 ]	Proposed revision to Annex 1 to Recommendation ITU-R RA.1237	France	145/7	2009-02-09
	[ 74 ]	Working document towards a preliminary draft revision of Recommendation ITU-R RA.1513-1	Netherlands (Kingdom of the) , France , Russian Federation , Switzerland (Confederation of) , Romania , Finland , Sweden , Germany (Federal Republic of)		2009-02-09
	[ 73 ]	Draft CPM text on WRC-11 Agenda Item 1.6 (Resolution 950 (Rev. WRC-07))	France		2009-02-09
	[ 72 ]	Working document towards a preliminary draft new Question ITU-R [GROUND]	France , WMO		2009-02-09
	[ 71 ]	Preliminary draft new Report ITU-R [Essential role observations] - The essential role and global importance of radio spectrum use for Earth observations of climate change, weather, water and disaster prediction, detection and mitigation and other related science applications	Correspondence Group on Essential Role of Observ.		2009-02-02
	[ 70 ]	Proposed draft CPM text for WRC-11 Agenda item 1.6 (Resolution 950) (Rev.WRC-07) on the consideration of the use of the frequencies between 275 and 3 00 GHz	United States of America		2009-02-04
	[ 69 ]	Liaison statement to Working Parties 5A, 7D and 6A (copy to Working Parties 5C and 7B for information) on studies related to WRC-11 Agenda item 1.15	WP 5B		2008-12-03
	[ 68 ]	Liaison statement to Working Party 5C (copy to Working Parties 4A, 4C, 5A, 6A, 6C, 7B and 7D for information) - Progress on the working document towards a preliminary draft new Recommendation ITU-R BT.[ENGUSER]	WP 6B		2008-11-21
	[ 67 ]	Liaison statement to Working Party 6A (copies to Working Party 5A, Working Party 5C, Working Party 7B and Working Party 7D for information) - Consider possible allocations in the frequency range 3-50 MHz to the radiolocation service for oceanographic radar applications	WP 5B		2008-11-17
	[ 66 ]	Liaison statement to ITU-R Working Party 7D - Initial considerations on compatibility between proposed new aeronautical mobile (R) service (AM(R)S) and both radionavigation satellite service (RNSS) in the 5 000-5 010 MHz band and radio astronomy in the 4 990-5 000 MHz band	WP 5B		2008-11-17
	[ 65 ]	Liaison statement to Working Party 7D - Compatibility studies between radiolocation and radio astronomy service	WP 5B		2008-11-17
	[ 64 ]	Liaison statement to Working Parties 1A, 4A, 7B, 7C and 7D - WRC-11 Agenda item 1.8 - Consideration of technical and regulatory issues relative to the fixed service in the bands between 71 GHz and 238 GHz	WP 5C		2008-11-13
	[ 63 ]	Liaison statement to Working Parties 6A, 6B, 6C (copy to Working Parties 4A, 4C, 5A, 7B and 7D for information) - Harmonization of spectrum for use by terrestrial electronic news gathering systems	WP 5C		2008-11-12
	[ 62 ]	Liaison statement to Working Party 5B (copy to WPs 5A, 6A, 7A and 7D for information) - Sharing studies required for WRC-11 Agenda item 1.15	WP 5C		2008-10-31
	[ 61 ]	Liaison statement to Working Party 5B - Consider possible allocations in the frequency range 3-50 MHz to the radiolocation service for oceanographic radar applications (WRC-11 Agenda item 1.15)	WP 6A		2008-10-31
	[ 60 ]	Liaison statement to Working Party 5C - Progress on WRC-11 Agenda item 1.5 - Harmonization of spectrum for use by terrestrial electronic news gathering systems	WP 6A		2008-10-31
	[ 59 ] +Ann.1-10	Report on the meeting of Working Party 7D (Geneva, 7-13 October 2008)	Chairman, WP 7D		2008-10-14
	[ 58 ]	Final List of Participants - Working Party 7D (Geneva, 7-13 October 2008)	Director, BR		2008-10-13
	[ 57 ]	List of documents issued	BR Study Group Department		2008-10-06
	[ 56 ]	Working document toward a preliminary draft new Report ITU-R RA.[THz] - Astronomical use of frequency band 50-300 THz and coexistence with other applications	Canada	235/7	2008-09-30
	[ 55 ]	Working document towards a draft new Report on characteristics of radio quiet zones: Spectrum protection criteria for the square kilometre array (SKA)	IUCAF	242/7	2008-09-29
	[ 54 ]	Information document properties of national radio quiet zones: protection of the IRAM 30 m radio telescope in Spain	IUCAF	242/7	2008-09-29
	[ 53 ]	Compatibility between the space research service (Earth-to-Space) that may use the band 22.55-23.15 GHz and the radio astronomy service in the band 22-24 GHz	France		2008-09-29
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