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Fixed-satellite service

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Contributions �[�Source:�WP 4A�]���
�	Number�	Title	Source	AI/Question	Date
�	[ 102 ] � �	Summary Report of WP 4A activities since November 2005 � �	Chairman, WP 4A �	�	2006-09-14
�	[ 99 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[HDFSS] - Technical and operational features characterizing higth-density applications in the fixed-satellte service (HDFSS) � �	WP 4A �	266/4 �	2006-09-13
�	[ 98 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[BBIAS] - Possibilities for global broadband internet access by FSS systems � �	WP 4A �	269/4 �	2006-09-13
�	[ 97 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[SHARING_BI-DIRECT_UBIQ] - Possible methodology for frequency sharing between bidirectional GSO FSS networks comprising ubiquitously deployed earth stations � �	WP 4A �	�	2006-09-13
�	[ 96 ] � (Rev.1)�	Draft Revision of Recommendation ITU-R S.727-1 - Cross-polarization isolation from very small aperture terminals (VSATs) � �	WP 4A �	�	2006-09-13
�	[ 95 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[FSS/BSS] - Coordination between geostationary-satellite orbit fixed-satellite service networks and broadcasting-satellite service networks in the band 17.3-17.8 GHz � �	WP 4A �	�	2006-09-13
�	[ 94 ] � (Rev.1)�	Draft revision of Recommendation ITU-R S.1586 - Calculation of unwanted emission levels produced by non-geostationary fixed-satellite service system at radio astronomy sites � �	WP 4A �	236/4 �	2006-09-13
�	[ 93 ] � �	Proposed suppression and re-categorisation of Study Group 4 Questions � �	Chairman, WP 4A �	�	2006-09-13
�	[ 80 ] � �	Working document in response to the request from the Study Group 4 Rapporteur on Vocabulary with respect to DRR ITU-R S.1713 - Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary HEO-type FSS satellite in its "active" arc and a geostationary satellite � �	WP 4A �	�	2006-05-09
�	[ 79 ] � �	Draft revision of Recommendation ITU-R S.1713 - Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary HEO-type FSS satellite in its "active" arc and a geostationary satellite � �	WP 4A �	241/4 �	2006-05-09
�	[ 71 ] � �	Progress on Working Party 4A work arising from WRC-03 � �	Chairman, WP 4A �	�	2005-11-17
�	[ 70 ] � (Rev.1)�	Draft revision of Recommendation ITU-R S.1427 - Methodology and criterion to assess interference from terrestrial WAS/RLAN transmitters to non-GEO MSS feeder links in the band 5 150-5 250 MHz � �	WP 4A �	248/4 �	2005-11-17
�	[ 69 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[HEO_TT&C] - Analysis of interference from HEO system space operation transmissions in FSS bands into GSO networks and corresponding guidelines to be used for designing the operating TT&C for HEO-type FSS systems � �	WP 4A �	�	2005-11-17
�	[ 68 ] � (Rev.1)�	Draft revision of Recommendation ITU-R S.524 - Maximum permissible levels of off-axis e.i.r.p. density from earth stations in geostationary-satellite orbit networks operating in the fixed-satellite service transmitting in the 6 GHz, 14 GHz and 30 GHz frequency bands � �	WP 4A �	259/4, 70/4 �	2005-11-17
�	[ 67 ] � (Rev.1)�	Draft revision of Recommendation ITU-R S.1001 - Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations � �	WP 4A �	�	2005-11-17
�	[ 66 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[HEO_SYS_CHAR] - Characterization of HEO-type systems in the FSS � �	WP 4A �	�	2005-11-17
�	[ 58 ] � �	Proposed suppression of 3 S-series Recommendations � �	Chairman, WP 4A �	�	2005-06-22
�	[ 51 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[Doc. 4/51] - Guidelines developed in response to the studies requested in Resolution 140 (WRC-03) � �	WP 4A �	�	2004-10-21
�	[ 50 ] � (Rev.1)�	Draft new Recommendation ITU-R S. [Doc.4/50] - Static methodology for calculating epfd(down) to facilitate coordination of very large antennas under RR Nos. 9.7A and 9.7B � �	WP 4A �	�	2004-10-21
�	[ 49 ] � (Rev.1)�	Revision of Recommendation ITU-R S.731 - Reference earth-station cross-polarized radiation pattern for use in frequency coordination and interference assessment in the frequency range from 2 to about 30 GHz � �	WP 4A �	�	2004-10-21
�	[ 48 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[MIN/SEP] [Doc. 4/48] - Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary satellite in a HEO "active" arc and a geostationary satellite � �	WP 4A �	241-1/4 �	2004-10-21
�	[ 47 ] � (Rev.1)�	Draft revision of Recommendation ITU-R S.1587 - Technical characteristics of earth stations on board vessels communicating with FSS satellites in the frequency bands 5925-6425 MHz and 14-14.5 GHz which are allocated to the fixed-satellite service � �	WP 4A �	254/4 �	2004-10-21
�	[ 46 ] � (Rev.1)�	Draft new Recommendation ITU-R S.[13.75 GHz] [Doc.4/46] - Methodologies for determining whether an FSS earth station at a given location could transmit in the band 14.75-14 GHz without exceeding the pfd limits in RR 5.502, and guidlines to mitigate excesses � �	WP 4A �	�	2004-10-21
�	[ 45 ] � (Rev.1)�	Draft revision of Recommendation ITU-R S.1503 - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite system networks with limits contained in Article 22 of the Radio Regulations � �	WP 4A �	�	2004-10-21
�	[ 28 ] � �	Proposed suppression of three ITU-R Questions assigned to Working Party 4A � �	WP 4A �	�	2004-05-27
�	[ 26 ] � �	Draft revision of Question ITU-R 270/4 - Fixed-satellite service systems using very wideband spreading signals � �	WP 4A �	�	2004-05-20
�	[ 25 ] � �	Draft new Question ITU-R [Doc.4/25] - Frequency sharing between the FSS and the space research service in the 37.5-38 GHz and 40-40.5 GHz bands � �	WP 4A �	�	2004-05-20
�	[ 24 ] � �	Additional GSO systems data for the Recommendation ITU-R S.1328 database � �	WP 4A �	�	2004-05-20
�	[ 23 ] � +Corr.1�	Draft new Recommendation ITU-R S.[Doc.4/23] - Power flux-density values in the band 11.7-12.7 GHz and associated calculation methodology which may be used when the power flux-density values in � 6 of Annex 1 to Appendix 30 of the ITU Radio Regulations are exceeded � �	WP 4A �	236/4 �	2004-05-20
�	[ 22 ] � �	Draft new Recommendation ITU-R S.[Doc.4/22] - Electronic data file format for earth station antenna patters � �	WP 4A �	42/4 �	2004-05-20
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