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Radioastronomie

Resultats:16 documents

Contributions �[�Source:�Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science�]���
�	Num�ro�	Titre	Source	AI/Question	Date
�	[ 169 ] � �	IUCAF - CRAF views on necessary elements of HAPS - RAS compatibility studies for agenda item 1.14 - Separation distances, angular avoidance cone angles, OOB attenuation and system characteristics for HAPS platform downlinks in spectrum bands near 21, 24 & 31 GHz for information agenda item 1.14 � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science , Committee on Radio Astronomy Frequencies �	AI1.14 �	2018-06-03
�	[ 150 ] � �	Draft reply liaison statement to Working Party 4A agenda item 9.1, issue 9.1.9 - Annex 52 to Working Party 4A Chairman Report 4A/675 - Draft CPM text � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	AI9.1 �	2018-04-29
�	[ 149 ] � �	Draft reply liaison statement to Working Party 4A agenda item 9.1, issue 9.1.9 - Annex 3 to Working Party 4A Chairman's Report 4A/675 - Preliminary draft new Report ITU-R S.[SPECTRUM_SHARING]: Sharing with incumbent service in the 51.4-52.4 GHz band and adjacent and nearby bands � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	AI9.1 �	2018-04-29
�	[ 148 ] � �	Draft reply liaison statement to Working Party 4C - WRC-19 agenda item 1.8 - Working document towards a preliminary draft new Report ITU-R M.[RAS-COMPAT] - Unwanted emissions in the RAS band from space-to-Earth transmissions � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	AI1.8 �	2018-04-29
�	[ 147 ] � �	Draft reply liaison statement to Working Party 4A agenda item 1.6 - Draft CPM text � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	AI1.6 �	2018-04-29
�	[ 146 ] � �	Draft reply liaison statement to Working Party 4A - WRC-19 agenda item 1.6 - Draft documents including draft CPM text related to WRC-19 agenda item 1.6, Resolution 159 (WRC-15) � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	AI1.6 �	2018-04-29
�	[ 111 ] � �	Draft liaison statement to Working Party 4C - Unwanted emissions in the RAS band from space-to-Earth transmissions from MSS satellites � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science , Committee on Radio Astronomy Frequencies �	AI1.8 �	2017-10-16
�	[ 106 ] � �	Reconsideration of RR. No. 4.6 � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2017-09-28
�	[ 105 ] � �	Compatibility between radio astronomy and fixed service operations in the spectrum band 275-450 GHz � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	Q257/7, AI1.15 �	2017-09-26
�	[ 78 ] � �	Draft liaison statement to Working Party 5C - Radio astronomy sites operating in the bands 21.4 - 22 GHz and 23.6 - 24 GHz in Region 2 � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2017-03-06
�	[ 77 ] � �	Draft liaison statement to Working Party 1A (copy to Working Party 5C for information) - Technical and operational characteristics of radio astronomy systems in the spectrum band 275-450 GHz � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2017-03-06
�	[ 76 ] � �	Revision of Question ITU-R 226-2 (2012) � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2017-03-06
�	[ 48 ] � �	Protection of radio astronomy operations in the band 1610.6 - 1613.8 MHz - Agenda item 1.8 (WRC-19) � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2016-10-13
�	[ 47 ] � �	Draft liaison statement to Working Party 1A - Technical and operational characteristics of radio astronomy systems in the spectrum band 275-450 GHz � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2016-10-05
�	[ 46 ] � �	Draft new Question ITU-R [RAS ABOVE 275 GHZ] - Technical and operational characteristics of radio astronomy applications operating above 275 GHz � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2016-10-05
�	[ 45 ] � �	Preliminary draft new Recommendation ITU-R RA.[PASSIVEBANDPROTECTION] - Protection of the radio astronomy service operating in frequency bands subject to RR No 5.340 from unwanted emissions of active services � �	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science �	�	2016-10-05
Resultats:16 documents �

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