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ITU-R SG04 C

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Fixed-satellite service

Results:38 total items.

Contributions [ Source: WP 4A ]
	Number	Title	Source	AI/Question	Date
	[ 123 ]	Proposed draft new Question - Fixed satellite-service systems using wideband spreading signals	WP 4A		2003-03-19
	[ 122 ] (Rev.1)	Draft revision of Recommendation ITU-R S.524-7 - 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		2003-03-19
	[ 121 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/121] - Methodologies for the calculation of the worst-case interference levels from non-geostationary fixed-satellite service systems using highly-elliptical orbits into geostationary fixed-satellite service satellite networks operating in the 10 to 30 GHz frequency range	WP 4A		2003-03-19
	[ 120 ]	Comments of WP 4A on Document 4/109	WP 4A		2003-03-19
	[ 119 ]	Modification to draft new Recommendation ITU-R S.[Doc.4/58] - Interference mitigation techniques and frequency sharing in the range 37.5-42.5 GHz and 47.2-50.2 GHz between GSO FSS networks and non-GSO FSS networks	WP 4A		2003-03-19
	[ 118 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc.4/118] - Guidelines to be used in the event of non-compliance with single-entry operational and/or additional operational limits in Section II of Article 22	WP 4A	231/4	2003-03-19
	[ 117 ] (Rev.1)	Draft new Recommendation ITU-R S. [Doc. 4/117] - Outline of a software specification for automating the examination of satellite network filings for compliance with Article 5	WP 4A	230/4	2003-03-19
	[ 116 ] (Rev.1)	Draft new Recommendation ITU-R S. [Doc. 4/116] - Methodologies for evaluation of worst-case interference levels among certain types of non-GSO FSS systems in situations where no in-line interference exists	WP 4A	204/10, 231/4	2003-03-19
	[ 115 ] (Rev.1)	Draft revision of Recommendation ITU-R S.580-5 - Radiation diagrams for use as design objectives for antennas of earth stations operating with geostationary satellites	WP 4A	42/4	2003-03-19
	[ 102 ]	Draft new Question [Doc. 4/102] - Development of methodologies for the assessment of satellite unwanted emission levels before launch	WP 4A		2001-10-15
	[ 101 ]	Draft new question - Technical and operational considerations relating to the advance publication, coordination and notification of fixed-satellite networks	WP 4A		2001-10-15
	[ 100 ]	Draft modification to Recommendation ITU-R 1325-2 simulation methodologies for determining statistics of short-term interference between co-frequency, co-directional non-geostationary-satellite orbit (non-GSO) fixed-satellite	WP 4A		2001-10-15
	[ 72 ] (Rev.1)	Letter to the Director, Radiocommunication Bureau	WP 4A		2001-10-15
	[ 56 ]	Comments in response to Circular Letter CAR/109	WP 4A		2001-10-15
	[ 46 ]	Draft modifications to Recommendation - ITU-R S.1257-2 - analytical method to calculate short-term visibility and interference statistics for non-geostationary satellite orbit satellites as seen from a point on the Earth's surface	WP 4A		2001-10-15
	[ 45 ]	Draft revision of Recommendation ITU-R S.727 - Cross-polarization isolatuion from very small aperture terminals (VSATs)	WP 4A		2001-10-15
	[ 44 ]	Draft revision to Recommendation ITU-R S.673 - Terms and definitions relating to space radiocommunications	WP 4A		2001-10-15
	[ 43 ]	Draft new Recommendation ITU-R S.[Doc. 4/43] - Methodology for the calculation of the worst-case interference levels from a particular type of non-geostationary fixed-satellite service systems using highly-elliptical orbits .......	WP 4A		2001-10-15
	[ 42 ]	Draft new Recommendation ITU-R S.[Doc. 4/42] - Methodology for computing the geographical distribution of maximum EPFDdown levels generated by non-GSO FSS systems using circular orbits	WP 4A		2001-10-15
	[ 41 ]	Draft new Recommendation - Methodologies for measuring EPFDdown caused by a non-GSO space station to verify compliance with operational EPFDdown limits	WP 4A		2001-10-15
	[ 40 ]	Draft new Recommendation ITU-R S.[Doc. 4/40] - Operational requirements and minimum characteristics of FSS systems operating in the 50/40 GHz bands for use in sharing studies between the fixed-satellite service and terrestrial services	WP 4A		2001-10-15
	[ 39 ]	Draft new Recomendation (Doc. 4/39] - A method for relating the effects of the levels of interference corresponding to epfd down limits on non-GSO systems to synchronization loss thresholds in GSO/FSS networks	WP 4A		2001-10-15
	[ 38 ]	Draft new Recommendation ITU-R S.[Doc. 4/38] - Aggregate interference levels between closely spaced dual circularly and dual linearly polarized geostationary-satellite networks in the fixed-satellite serviced operating in the 4/6 GHz frequency band	WP 4A		2001-10-15
	[ 37 ]	Draft new Recommendation ITU-R S.[Doc. 4/37] - Methodology for determining the overall accuracy of EPFDdown measurements	WP 4A		2001-10-15
	[ 36 ]	Draft new Recommendation ITU-R S.[Doc. 4/36] - A possible method to account for environmental and other effects on satellite antenna patterns	WP 4A		2001-10-15
	[ 20 ]	Draft note to the Director of the Radiocommunication Bureau	WP 4A		2001-10-15
	[ 19 ]	Categorisation of Working Party 4A Questions	Ch. WP 4A		2001-10-15
	[ 18 ] (Rev.1)	Draft new Recommendation ITU-R [Doc.4/18] - Analytical method for determining the statistics of interference between non-GSO fixed-satellite service (FSS) systems and other non-GSO FSS or GSO FSS systems	WP 4A		2001-10-15
	[ 17 ] (Rev.1)	Draft modification to Recommendation ITU-R S.673 - Terms and definitions relating to space radiocommunications	WP 4A		2001-10-15
	[ 16 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/16] - Satellite antenna radiation pattern for non-GSO satellite antennas operating in the fixed-satellite service (FSS) below 30 GHz	WP 4A		2001-10-15
	[ 15 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/15] - Procedure for the identification of non-GSO satellites causing interference into an operating GSO earth station	WP 4A		2001-10-15
	[ 14 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/14] - Definition of a non-GSO FSS system interference environment metric for co-directional frequency sharing between two non-GSO FSS systems	WP 4A		2001-10-15
	[ 13 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/13] - Impact of interference from the sun into GSO FSS link	WP 4A		2001-10-15
	[ 12 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/12] - GSO/GSO FSS network coordination identification (Agenda item 1.30 (WRC-03))	WP 4A		2001-10-15
	[ 11 ] (Rev.1)	Draft new Recommendation ITU-R S.[Doc. 4/11] - Methodology for performing parametric evaluation studies of interference sensitivity for GSO FSS systems sharing spectrum in bands above 10 GHz	WP 4A		2001-10-15
	[ 10 ] (Rev.1)	Draft Revision to Recommendation ITU-R S.1325-1 to more accurately assess the epfd statistics generated by a non-GSO FSS system - Simulation methodologies for determining statistics of short-term interference between co-frequency ...	WP 4A		2001-10-15
	[ 9 ]	Draft new Question ITU-R [Doc.4/9] - Technical characteristics of high-density FSS earth stations operationg with GSO FSS networks in the 20/30 GHz bands	WP 4A		2001-10-15
	[ 2 ]	Draft modification of Recommendation ITU-R S.524-6 - Maximum permissible levels off-axis e.i.r.p. density from Earth-stations in GSO networks operating in the fixed-satellite service transmitting in the 6, 14 and 30 HGz frequency bands	WP 4A		2001-10-15
Results:38 total items.

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