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Contributions to WP 4A (1998-2000)

[4A/1] Documents to be considered in the 1998-99 study period
[4A/2,4/2,4B/2,4-9S/3,4SNG/1] Questions to be brought to the attention of Study Group 4 and its Working Parties
[4A/3,4/3,4B/3,4-9S/4,4SNG/2] Recommendations, decision and opinion to be brought to the attention of Study Group 4 and its Working Parties
[4A/4] Liaison statements from TG 1/5 to WP 4A
[4A/5] Reply to liaison statement on Question ITU-R 81-1/4 - Frequency sharing among networks in the FSS, the MSS and those of satellites equipped to operate in more than one service in the 20-50 GHz band
[4A/6] Liaison statement to Working Party 4A - Development of regulatory texts for the CPM-99 Report
[4A/7] Report on Task Group 1/5 activities
[4A/8] An analytical methodfor assessing interference between links of MSS NGSO networks: preliminary results
[4A/9] Coordination area of non-GSO Earth stations using the same frequency band as receiving Earth-stations in bidirectionally allocated frequency bands Question ITU-R 231-4 and ITU-R 212-11
[4A/10,4-9-11/8] Required elements in off-axis EIRP limits imposed on transmitting Earth station terminals of the GSO fixed satellite service in the 12.75 to 14.5 GHz frequency band
[4A/11,1-5/28] The space station out-of-band frequency response
[4A/12] The use of energy dispersal to meet power flux density limits under Article 28 of the Radio Regulations
[4A/13,4-9-11/9] Prelim.draft new Rec.: Method for checking compliance of a non-GSO FSS network with equiv.power-flux density (epdf) and aggregate power-flux dens.(apfd) limits in RR S.22 for the protect.of GSO netw.in the fixed-sat.&broadcast-sat.serv.
[4A/14,4-9-11/10] Estimates of permissible levels of down-link interference for some satellite networks, using Recommendation ITU-R S.1323
[4A/15,4-9-11/11] Proposed modifications to Recommendation ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; Non-GSO/FSS; Non-GSO/MSS feeder links) for a hypothetical reference digital path in the fixed-satellite ..
[4A/16,4-9-11/12] Proposed list and scope of studies to be performed by JTG 4-9-11
[4A/16a1,4-9-11/12a1] Proposed list and scope of studies to be performed by JTG 4-9-11
[4A/17,4-9-11/13] Characterising the time profile of peaks of interference from NGSO satellite to large-dish GSO earth station antenna
[4A/18,4-9-11/14] Frequency sharing between two inhomogeneous NGSO FSS networks
[4A/19,4-9-11/15] GSO network parameter & link budgets to be used when developing power limits to be met by non-GSO sys in the fixed-satellite serv. for the protection of these GSO networks & when assessing the impact of the stat. dist. of these power limi
[4A/19,4-9-11/15] Annex 4
[4A/20,4-9-11/16] Working doc. - Consideration on availability requirements and associated protection criteria for satellite networks operating in the fixed-satellite service and in the broadcasting-satellite service
[4A/21] Proposed draft new Rec. - Proposed methodology for calculating acceptable interference, into GSO FSS networks from Non GSO networks operating in shared bands
[4A/21r1] Proposed draft new Rec. - Proposed methodology for calculating acceptable interference, into GSO FSS networks from non GSO networks operating in shared bands
[4A/22,4-9-11/17] Working doc. - Characteristics and protection of TTC links
[4A/23,4-9-11/18] Working Doc. - Proposed modifications to Rec. ITU-R S.1323 for the computation of permissible interference levels for satellite networks operating in the fixed-satellite service
[4A/24,4-9-11/19] Working doc. towards a draft new Rec. - Simulation methodology for assessing equivalent power flux density & aggregate power flux density levels generated by a NGSO FSS netw. into GSO FSS & BSS netw. operating co-freq. & co-directionally
[4A/25,4-9-11/20] Off-axis EIRP density limits for earth stations operating with geostationary satellite systems in the 27.5-30 GHz frequency range
[4A/26,4-9-11/21] Coexistence between homogeneous non-geostationary FSS systems in the 10-18 GHz band
[4A/27,4-9-11/24] Study to evaluate sharing between Non-GSO and GSO FSS systems in the 10-14 GHz bands, and to demonstrate the effectiveness of simulation in verifying sharing feasibility
[4A/28,4-9-11/25] Cumulative effect of the interference generated by several NGSO FSS systems into a GSO network
[4A/29] Draft new Questions relating to studies assigned to WP 4A by the CPM in November 1997
[8D/29,9B/48,4A/70,4-9S/30,7C/38] Liaison statement from WP 8A on radio local area networks (RLANs)
[4A/30] Technical characteristics of current GSO/FSS systems in Japan
[4A/31,4-9-11/27] Study item on frequency sharing between NGSO/FSS and GSO/FSS
[4A/32,4-9-11/28] Simulation results on the EPFD calculation for NGSO FSS system operating in the 12 GHz frequency range
[4A/33,4-9-11/29] Description of LEOSAT-2 architecture - an integrated network of NGSO satellites and GSO satellites
[4A/34,4-9-11/30] Working document towards a draft new Rec. - Satellite diversity and link balancing as migitation techniques for NGSO networks sharing with GSO networks in the 29.5-30.0/19.7-20.2 GHz bands
[4A/35,4-9-11/31] Modifications of ITU-R S.1325 to include computation of aggregate APFD and EPFD
[4A/36] Description of NGSO-KX
[4A/37] Draft liaison statement to WP 7D - Feasibility of sharing between the Earth-exploration satellite and space research (passive) and the fixed-satellite service in the band 18.6-18.8 GHz
[4A/38] Description of GSO-VX system
[4A/39] Description of GSO-EKX system
[4A/40,9D/28] Working document toward the identification of technical and operational characteristics of Earth stations aboard vessels operating in the fixed-satellite service in the bands 3700-4200 MHz and 5925-6425 MHz
[4A/41,4-9-11/32] A study to predict the most likely characteristics of certain GSO networks to be deployed in the bands 29.5-30.0/19.7-20.2 GHz in regions of the arc that are heavily populated
[4A/42] Description of the GEO-SV system
[4A/43] Technical characteristics of several above 38 GHz LEO and GSO satellite networks
[4A/44] NGSO-VX system description
[4A/45,4-9-11/33] Analysis of equivalent power flux densities - Resolution 130
[4A/46] Proposed revision to Rec. ITU-R S.1325 - Methodology for assessing co-directional, co-frequency interference levels between NGSO FSS networks and GSO FSS networks below 30 GHz
[4A/47] Working document towards a draft new Rec. on the frequency sharing between NGSO FSSS and GSO FSS systems in the frequency 47.2-50.2 GHz and 37.5-42.5 GHz bands
[4A/48] Proposed revisions to ITU-R S.1328 - Non-GSO fixed satellite system characteristics to be considered in conducting frequency sharing analyses between GSO satellite systems operating in the BSS and the FSS
[4A/49,4-9-11/34] Application of ITU-R S.1323 in determining permissible levels of short term interference from non-GSO FSS into GSO FSS in unplanned bands where S22.5 applies
[4A/50] Working Document towards a draft new Rec. on the frequency sharing between two NGSO FSS systems in the frequency 47.2-50.2 GHz and 37.5-42.5 GHz bands
[4A/51] Comments on Doc. 7C/TEMP/132 - Preliminary draft new Rec. - Feasibility of sharing between the fixed-satellite service (space-to-earth) and the earth exploration-satellite (passive) and space reserach (passive) services in the band 18.6-18.8 GHz
[4A/52] A new category of space network - Quasi-geostationary-satellite network intrinsically compatible with geostationary-satellite networks
[4A/53R1] Proposed response to liaison statement from TG1/5 to WP4A - Spurious emission limit for Earth and space stations in the space services
[4A/54] Coordination methodologies for NGSO MSS feederlinks in the bands 19.3-19.7 GHz and 29.1-29.5 GHz
[4A/57] Liaison statement to Working Party 4A - Sharing feasibility between the fixed service and fixed-satellite service space segment in the 30-52 GHz range
[4A/58] Liaison statement to Working Party 4A - Non-GSO FSS system characteristics for sharing studies with the fixed service in the bands 17.7-19.7 GHz and 27.5-29.5 GHz
[4A/59] Liaison statement to WP 4A - Feasibility of sharing between spaceborne passive sensors of the Earth exploration-satellite service and inter-satellite links of geostationary-satellite networks in the range 50 to 65 GHz
[4A/60] Liaison statement to Working Party 4A - Technical implications of quasi-geostationary satellite systems on frequency sharing between the fixed-satellite service and the fixed service
[4A/61,8A/17,9B/42,9D/41] Liaison statement to Working Parties 4A, 8A, 9B and 9D - Frequency sharing between fixed wireless access (FWA) systems (FS) and VSAT satellite systems (FSS) in the range 3.4-3.7 GHz
[4A/62] Liaison statement to WP 4A - Transfer of a proposed draft new Question on Earth stations on board vessels
[4A/63] Liaison statement from WP 7D to WP 4A - Future contribution to WRC-99 agenda item 1.14
[4A/64] Description of GEOSAT-X system
[4A/65] Description of MEOSAT-X system
[4A/66] Liaison statement to WP 4A
[4A/67] Liaison statement to WP 4A - Sharing between the Earth exploration-satellite and space research (passive) and the fixed-satellite service in the band 18.6-18.8 GHz
[4A/68,4B/19,4SNG/7] ITU-R Patent statements database
[4A/69,4-9S/28] Liaison statement to WPs 4A and 4-9S
[4A/70, 4-9S/30, 7C/38, 8D/29, 9B/48] Liaison statement from Working Party 8A - Radio local area networks (RLANs)
[4A/71,4-9S/31,7C/39,8D/30,9B/49] Liaison statement to Working Parties 4A, 4-9S, 7C, 8B and 9B - Radio local area networks (RLANs)
[4A/71c1,4-9S/31c1,7C/39c1,8D/30c1,9B/49c1] Liaison statement to Working Parties 4A, 4-9S, 7C, 8D and 9B
[4A/72] Liaison statement to Working Party 4A - Methodologies and parameters required for calculation of the coordination area around earth stations operating in the fixed satellite service
[4A/73] Part 1 - Report of the meeting of Working Party 4A of Radiocommunication Study Group 4 (Geneva, 25 February - 6 March 1998)
[4A/73] Part 2 - Report of the meeting of Working Party 4A of Radiocommunication Study Group 4 (Geneva, 25 February - 6 March 1998)
[4A/73] Part 3 - Report of the meeting of Working Party 4A of Radiocommunication Study Group 4 (Geneva, 25 February - 6 March 1998)
[4A/73] Part 4 - Report of the meeting of Working Party 4A of Radiocommunication Study Group 4 (Geneva, 25 February - 6 March 1998)
[4A/74, 4/27, 8-1/103, 8A/53, 9D/49] Consideration of Annex 7 of Appendix S30 - Liaison statement to Special Rapporteur Group JWP 10-11S/SRG-1 and to ITU-R Study Groups 4, 8 and 9
[4A/75,4B/23] Liaison statement to WPs 4A and 4B - Performance objectives for narrow-band digital channels using geostationary satellites to serve transportable and mobile earth stations in the 1-3 GHz range, forming part of the ISDN
[4A/76,8B/42,1-6/22] Liaison statement to WP 4A with copy to WP 8B and TG 1/6 (for information) - Information as requested by TG 1/6 for new and revised system parameters for Tables 1 and 2 in Appendix S7 and Rec. ITU-R IS.847-1
[4A/77,4/31] Liaison statement to Study Group 4 and Working Party 4A from Working Party 4SNG
[4A/78] Liaison statement from WP 3M to WP 4A concerning information on earth-space path propagation relating to Resolutions 121 and 129 (WRC-97)
[4A/79,4B/25] Liaison statement to WPs 4A and 4B - Performance objectives and technical characteristics of non-GSO MSS systems operating in the 1 - 3 GHz band
[4A/80,7C/42] Liaison statement to Working Parties 4A and 7C - Proposed EESS allocations around 5.3 GHz
[4A/81, 8A-9B/26] Liaison statement to Working Party 4A and JRG 8A-9B - Sharing between NGSO MSS feeder links and RLAN transmitters in the band 5 150 - 5 250 MHz
[4A/82] Proposed space station out-of-band emission mask
[4A/83] Liaison statement to Working Party 4A - Development of regulatory texts for the CPM-99 report
[4A/84] Technical characteristics of the ROSTELESAT satellite system in the bands 11/13 GHz and 20/30 GHz
[4A/84C1] Technical characteristics of the ROSTELESAT satellite system in the bands 11/13 GHz, 20/30 GHz and 15/19 GHz
[4A/84c2] Technical characteristics of the ROSTELESAT satellite system in the bands 11/13 GHz, 20/30 GHz and 15/19 GHz
[4A/85] Estimation of interference produced by the non-geostationary orbirt FSS networks to Earth stations in the bands 11/13 GHz and 20/30 GHz
[4A/86] Liaison statement to WP 4A
[4A/87] Reference GSO FSS earth station antenna characteristics for use by the BR in the assessment of interference levels from non-GSO FSS networks
[4A/87R1] Reference GSO FSS Earth station antenna characteristics for use by the BR in the assessment of interference levels fomr non-GSO FSS networks
[4A/88,7C/55,7D/40] Report of the joint meeting of experts of Working Parties 4A and 7C (Toulouse, 11 July 1998)
[4A/89] Suggestion of correction to Recommendation ITU-R S.1325
[4A/90,7B/28,7C/56,10A/41,10B/29,11C/37,10-11S/53] Liaison statement to Working Parties 4A, 7B, 7C, 10A, 10B, 11C and 10-11S - Frequency tolerances
[4A/91,7D/41,8D/85,10-11S/54] Liaison statement to Working Parties 4A, 7D, 8D and 10-11S
[4A/92,7B/29,7C/57,7D/42,8A/60,8B/45,8D/87,9B/59,10A/38,10B/26,11C/38,10-11S/56] Liaison statement to WP 4A, 7B, 7C, 7D, 8A, 8B, 8D, 9B, 10A, 10B, 11C and 10-11S - Protection of passive and safety serv. from interf. due to unwanted emissions by other serv.
[4A/93,7C/58,8A/61,8B/46,8D/88,9A/38] Liaison statement to Working Parties 4A, 7C, 8A, 8B, 8D and 9A - Measurement of spurious emission limits in the radiated field
[4A/94,7B/30,7C/59,7D/43,8A/62,8B/47,8D/89,9B/61,10A/40,10B/28,11C/40,10-11S/58] Liaison statement to Working Parties 4A, 7B, 7C, 7D, 8A, 8B, 8D, 9B, 10A, 10B, 11C and 10-11S - Maximum necessary bandwidth concept
[4A/95,7D/44,8A/63,8B/48,8D/90,9B/60,10A/39,10B/27,11C/39,10-11S/57]Liaison statement to WPs 4A,7D,8A,8B,8D,9B,10A,10B,11C and 10-11S-Protection of services from interference caused by out-of-band emissions of transmitters operating in adj. allocated bands
[4A/96] Working Document - Earth stations off-axis emission characteristics of Australia's GSO/FSS links
[4A/97] Working Document - Earth station off-axis emission characteristics of TT&C links
[4A/98] Proposals for draft revision of Recommendation ITU-R S.1325
[4A/99,4-9S/46] Feability of quasi-geostationary satellite systems
[4A/99R1] Feasibility of quasi-geostationary satellite systems
[4A/100,4B/30,4-9S/50,4-9-11/212,7D/46,8-1/117,8B/50,8D/98,9A/44,9B/62,9D/62,11C/41,10-11S/60, 1-5/95] Agenda for the World Radiocommunication Conference (WRC-2000)
[4A/101,4-9S/52] Frequency sharing between RLANs and mobile-satellite service feeder links in the 5 GHz band
[4A/102,4-9S/53] Working document towards a preliminary draft new Recommendation on frequency sharing between the non-geostationary fixed satellite service (NGSO FSS) and the fixed service (FS) in the band 40.5-42.5 GHz
[4A/102c1,4-9S/53c1] Working document towards a preliminary draft new Recommendation on frequency sharing between the non-geostationary fixed satellite service (NGSO FSS) and the fixed service (FS) in the band 40.5-42.5 GHz
[4A/103,1-6/28,4-9S/70,] Comments on ITU-R Documents 1-6/9 and 1-6/19
[4A/104,4-9S/85] Report of the Special Rapporteur of WP 4A for Recommendation ITU-R S.1328 - Characteristics of FSS systems to be used in sharing studies
[4A/105,1-6/31,7B/33,7C/68,10-11S/61] Modifications required to Recommendation ITU-R IS.848 to accomodate earth stations operating to satellites in non-geostationary orbits
[4A/106] Working document towards a draft new Recommendation on the frequency sharing between two non homogeneous NGSO FSS systems in the 47.2-50.2 GHz and 37.5-42.5 Ghz frequency bands
[4A/107] Proposed space station out-of-band emission mask
[4A/108] Off-axis e.i.r.p. density limits from earth stations in the fixed-satellite service transmitting in the band 27.5-31 GHz
[4A/109] Report on Task Group 1/5 activities
[4A/110] Proposal for the addition of text in methodology A and methodology A' of Recommendation ITU-R S.1323
[4A/111] Liaison statement to JTG 4-9-11 on earth station off-axis E.I.R.P. density limits
[4A/112] Possible use of Bessels functions for representation of reference antenna radiation patterns
[4A/113] Proposed modification to preliminary draft new Recommendation "Interference mitigation techniques to facilitate coordination between MSS feeder links and GSO FSS networks in the bands 19.3-19.7 GHz and 29.1-29.5 GHz"
[4A/114] A parametric study on GSO arc avoidance operation for NGO/FSS systems with 12 GHz downlinks
[4A/115] Off-axis eirp density from GSO/FSS earth stations operating in the 30/20 GHz frequency bands
[4A/116] Coordination area of non-GSO earth stations using the same frequency band as GSO earth stations in bidirectionally allocated FSS frequency bands
[4A/117] Review and propose modification to Recommendation ITU-R S.1323
[4A/118] Working document toward a preliminary draft new Recommendation - Practical levels of unwanted emissions
[4A/119] Description of the CANSAT-2A, 2B, 3A, 3B, 3C, 3D and 3E 50/40 GHz band GSO FSS systems
[4A/120] Methodology and criteria to facilitate sharing between NGSO MSS feeder links and hiperland in the band 5 150 - 5 250 MHz
[4A/121] Proposed modifications of Document 4A/TEMP/23(Rev.1) to include the receiving antenna pattern diagram of the GSO satellites in the uplink interference computation
[4A/122] Study of the sharing of the same frequency band by several NGSO FSS systems
[4A/123] The impact of the proposals to tighten PFD limits applicable to the FSS in the band 18.6-18.8 GHz
[4A/124] Proposal for revision of Recommendation ITU-R S.1328 and the creation of a SG4 databank on satellite system characteristics
[4A/125] Study on off-axis EIRP density limits for GSO FSS earth stations transmitting in the 27.5 - 30 GHz band
[4A/126] Assessment of the permissible interference from the fixed-satellite (space-to Earth) service in the 41.5-42.5 GHz band into the radio astronomy service in the 42.5-43.5 GHz band
[4A/127] Sharing between multiple non-GSO systems and GSO FSS systems in the 10 - 14 GHz band
[4A/128] Use of Methodology D to evaluate the impact of epfd and apfd limits on a GSO carrier
[4A/129] Proposal modification of the recommends of Recommendation ITU-R S.1323: GSO earth station antenna pattern to be used for the calculations of epfd
[4A/130] An analytical method for assessing interference in interference environments involving NGSO networks
[4A/130R1] An analytical method for assessing interference in interference environments involving NGSO networks
[4A/131] Frequency sharing between NGSO FSS systems in the bands 18.8-19.3 GHz and 28.6-29.1 GHz
[4A/132] Simulation results giving the minimum required separation angle between NGSO satellites to enable co-directional co-frequency sharing between NGSO FSS systems operating in the 18.8 - 19.3 GHz and 28.6 - 29.1 GHz bands
[4A/133] Information document on methodology to establish protection limits (in Resolution 130 bands) for GSO networks sharing spectrum with NGSO networks
[4A/134] Working document towards a draft new Recommendation - Sharing between multiple inhomogeneous non-GSO/FSS systems in the 19.7 - 20.2 / 29.5 - 30.0 GHz bands employing satellite diversity
[4A/135] Studies pertaining to to quasi-geostationary satellite characteristics
[4A/136] Application of Recommendation ITU-R S.1323 to some GSO carriers to assess their susceptibility to interference from NGSO systems sharing the same frequency bands
[4A/137] Working document towards developing NGSO interference protection requirements for Ka-Band GSO systems employing adaptive coding as a fade countermeasure
[4A/138] Studies pertaining to quasi-geostationary satellite frequency sharing
[4A/139] Draft new Recommendation - Interference mitigation techniques to facilitate coordination between MSS feeder links and GSO FSS networks in the bands 19.3 - 19.7 GHz and 29.1 - 29.5 GHz
[4A/140] Draft CPM Contribution
[4A/141] Spectral masks for space services - fixed earth stations and space stations
[4A/142] Protection of services from interference caused by out-of-band emission of transmitters operating in adjacent allocated bands
[4A/143] Addressing Task Group 1/5 issues to Working Party 4A
[4A/144] Revised format of system parameter tables for use in determination of the coordination area around earth stations
[4A/145] Impact of the need to avoid main beam-to-main beam interference on the number of NGSO FSS systems able to share frequencies
[4A/146] Proposed earth station reference patterns for use in cases of moving or distributed interference sources
[4A/147] Sharing between non-GSO and GSO FSS systems in the 10-14 GHz bands
[4A/148] Working document towards a draft new Recommendation - A satellite-based reference for NGSO sharing
[4A/148c1] Working Document towards a draft new Recommendation - A satellite-based reference for NGSO sharing: preliminary simulation results
[4A/149] Draft new Recommendation - Reference radiation pattern OF GSO FSS Earth station antennas for use in NGSO frequency sharing studies
[4A/150] Characteristics of F_SAT_ico-WEST as requested in Annex 1 of Document 4-9-11/TEMP/32
[4A/151] Working document towards a draft new Recommendation - Threshold for coordination of frequency assignments between systems in non-geostationary orbit and networks in geostationary orbit in frequency bands where Resolution 130 (WRC-97) applies
[4A/152] Application of Methodology A in Recommendation ITU-R S.1323 to derive epfd limits for NGSO FSS
[4A/153] Unwanted emissions from FSS satellites
[4A/154] Framework for a preliminary draft new Recommendation non-GSO spacecraft off-axis EIRP and antenna discrimination verification test procedure
[4A/155] Proposed modifications to Rec. ITU-R S.1323 and to the preliminary draft new Recommendation on the calculation of pfd levels to protect GSO FSS networks from NGSO FSS
[4A/156] Modification of proposed draft new Recommendation - Methodology for calculating PFD levels to protect GSO FSS networks from GSO networks sharing spectrum in the 10-30 GHz bands
[4A/157] Proposed modifications to Recommendation ITU-R S.728-1 to include off-axis EIRP limits for Ka band VSAT Earth stations
[4A/157r1] Proposed modifications to Recommendation ITU-R S.728-1 to include off-axis eirp limits for Ka band VSAT earth stations
[4A/158] Working document related to possible modification to Part 2 of Annex 1 of ITU-R S.1323 to address long term interference from time varying sources
[4A/159] Working document toward a draft new Recommendation - Protection of fixed satellite service networks using slightly-inclined geostationary-satellite orbits from all other fixed-satellite systems
[4A/160] Proposed revision to Recommendation ITU-R S.524-5
[4A/161] System characteristics of a GSO FSS network with large earth station antennas and epfd limits
[4A/162] Sharing feasibility between NGSO/FSS system and moon to earth communication system in the 37.5-38.0 GHz band
[4A/163] Considerations for hypothetical reference digital paths when implemented for providing services whose availability are sensitive to synchronisation timing recovery
[4A/164] Satellite antenna normalized reference directivity patterns for use in calculatin APDF
[4A/165] Working document towards a preliminary draft new Recommendation - Recommended antenna patterns for NGSO satellite multiple beam antennas operating in the fixed-satellite service below 30 GHz
[4A/166] Working document towards a preliminary draft new Recommendation aggregation of interference from multiple NGSO FSS systems into GSO FSS systems
[4A/167] Proposed Recommendation to change the power flux density limits in the 18.6 - 18.8 GHz band
[4A/168] Modifications of Recommendation ITU-R S.1325 to include calculation of APFD
[4A/169] Proposed modif. to Rec. ITU-R S.1323 & associated methodology A - Max. permissible levels of interference in a sat. netwk (GSO/FSS,NON-GSO/FSS,NON-GSO/MSS feeder links) for a hypothet. ref.digital path in the FSS caused by other codirection. netwk
[4A/170] Proposed modifications to Recommendation ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; NON-GSO/FSS; NON-GSO/MSS Feeder Links) for a hypothetical reference digital path in the fixed-satellite service ...
[4A/171] Recommendation ITU-R S.1323 - Maximum permissible levels of interference in a satellite network (GSO/FSS; NON-GSO/FSS; NON-GSO/MSS Feeder Links) for a hypothetical reference digital path in the fixed-satellite service caused by other ...
[4A/172] Levels of power flux density from FSS space stations in the bands 18.6 - 18.8 GHz
[4A/173] Working document towards a PDNR - Methodology for determination of the worst case location for interference analysis of a NGSO FSS system into a GSO network
[4A/174] Study of the impact of an NGSO FSS satellite system on a GSO FSS link as a function of the off-boresight angle
[4A/175] Working document - Methodology to derive interference criteria for NGSO FSS systems
[4A/176] Summary of the worst case assumptions made in the analysis of the co-existence of NGSO and GSO FSS systems
[4A/177] Proposed modification of the apfd definition in Article S22
[4A/178] Working Document - Implementation of the GSO arc avoidance
[4A/179] Methodology and criteria to facilitate sharing between NGSO MSS feeder links and HIPERLAN in the band 5 150 - 5 250 MHz
[4A/180] Draft revisions to 4A/TEMP/36 - Proposed methodologies for calculating candidate epfd and apfd limits
[4A/181] Working Document - Cumulated effect of several NGSO systems
[4A/182] Working Document leading to a draft new Recommendation - Maximum allowable error performance and availability degradations to digital fixed satellite service hypothetical reference digital paths arising from interference for systems operating ...
[4A/183] Interference between multiple NGSO FSS Systems Operating in the 10 - 14 GHz frequency band
[4A/184] Maximum permissible levels of-asis e.i.r.p. density from earth stations in the fixed-satellite service transmitting in the 29.5-30 GHz frequency band
[4A/185] Liaison statement to Working Party 4A
[4A/187, 9A/66, 4-9-11/214] Liaison statement to Working Party 4A (and for information to WP 9A and JTG 4-9-11)
[4A/188, 8D/102] Liaison statement to Working Parties 4A and 8D
[4A/189] Liaison statement to Working Party 4A
[4A/189r1] Liaison statement to Working Party 4A
[4A/190] Liaison statement to Working Party 4A - Comments on Document 7C/34
[4A/191] Liasion statement to Working Party 4A - Draft CPM text on Agenda Item 1.17, Section 4.2, "Passive allocations in the band 18.6-18.8 GHz" and reply to Liaison statement regarding the band 18.6-18.8 GHz
[4A/192] Liaison statement to Working Party 4A - Preliminary draft new Recommendation - Sharing between spaceborne passive sensors and the inter-satellite service operating near 118 and 183 GHz
[4A/193] Liaison statement to Working Party 4A - Technical and operating characteristics of earth stations on board vessels in the band 3 700 - 4 200 MHz and 5 925 - 6 425 MHz
[4A/194] Liaison statement to WP 4A - Frequency sharing between RLANs and MSS feeder links in the 5 GHz band
[4A/195] Report [4-9S/AE] - Technical implications of the quasi-geostationary satellite systems on frequency sharing between the fixed-satellite service and the fixed service
[4A/196,8D/122,9D/92] Liaison statement to Working Parties 4A, 8D and 9D - Draft CPM texts on agenda item 1.16 section 4.1: passive allocations above 71 GHz
[4A/197r1, 7B/44r1, 7C/89r1, 8A/69r1, 8D/188r1, 9D/96r1] - Withdrawal of Liaison statement to Working Parties 4A, 7B, 7C, 8A, 8D and 9D - System parameter tables for use in the determination of the coordination area around earth stations
[4A/198r1, 7B/45r1, 7C/90r1, 8D/192r1] Liaison statement to Working Parties 4A, 7B, 7C and 8D - Antenna gain parameters required for the determination of the coordination distance
[4A/199] Note to the Director of the BR - Coordination procedure to be applied for the space operation service in the guardband of Appendices S30 and S30A plans (all regions)
[4A/200] Liaison statement to Working Party 4A and to the Special Committee on Regulatory/Procedural matters
[4A/201] Liaison statement to Working Party 4A - System parameters required for the calculation of the coordination area around earth stations operating in the fixed-satellite service
[4A/202] Liaison statement to Working Party 4A on issues relating to the sharing between NGSO MSS feeder links and RLANs in the band 5 150 - 5 250 MHz
[4A/203, 4-9S/92, 9B/90] Liaison statement to Working Parties 4A, 4-9S and 9B - Determination of the coordination areas around high density earth stations and high density fixed stations in
[4A/204] Liaison statement to Study Group 4 and to the Special Committee on Regulatory/Procedural matters
[4A/205,1-6/50] Liaison statement to TG 1/6 and WP 4A - System parameters for the international standard microwave landing system required for the calculation of the coordination area around eart stations operating in the fixed-satellite service
[4A/206-Part 1] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 2] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 3] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 4] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 5] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 6] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 7] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206-Part 8] Chairman's report of Working Party 4A meeting (Geneva, October 5-14 1998)
[4A/206c1] Corrigendum 1 to the Chairman's report
[4A/206c1] Corrigendum 1 to Chairman's report
[4A/207] International civil aviation organization - Draft new Recommendation ITU-R [4A/XM] comments provided by ICAO
[4A/208] Consideration of Annex 7 of Appendix S30
[4A/209] Liaison statement to Working Party 4A
[4A/210] Liaison statement to Working Party 4A - Continuous curves of EPFD
[4A/211] Liaison statement from JTG 4-9-11 to WP 4A - Off-axis eirp density limits
[4A/212] Liaison statement to Working Party 4A - Per-satellite PFD limit concept
[4A/213] Liaison statement to Working Party 4A - Characteristics of non-GSO FSS systems
[4A/214] Liaison statement to Working Party 4A - Reference GSO FSS earth-station radiation patterns for use in interference assessment involving NGSO satellites in frequency bands below 30 GHz
[4A/215] Liaison statement to Working Party 4A and Joint Working Party 10-11S - EPFDis
[4A/217] Liaison statement to WP 4A - Determination of the number of non-GSO FSS Systems to be Used in Derivation of Single-Entry and Aggregate EPFD Masks
[4A/218] Liaison statement to Working Party 4A
[4A/219,7B/52,8B/63] Liaisons statement to Working Parties 4A, 7B and 8B
[4A/220] Liaison statement to Working Party 4A - Parameters of TT&C carriers
[4A/221] Liaison statement to Working Party 4A - Proposals for revisions to provisional limits in RR S.22
[4A/222,10-11S/104,8D/201,7B/53,8A/100,8B/73,9B/98,9D/108] Liaison statement Working Parties 4A, 7B, 8A, 8B, 8D, 9B and 9D and Joint Working Party 10-11S - Protection of safety services
[4A/223,7B/54,8D/202,10-11S/105] Liaison statement to Working Parties 8D, 4A, 7B and 10-11S on out-of-band emission masks for space services
[4A/224, 8D/203, 10-11S/106] Liaison statement to Working Parties 4A, 8D and 10-11S - Maximum necessary bandwidth concept
[4A/225, 10-11S/107,7B/55,7C/106,7D/68,8B/75,8D/204,9B/99,9D/109] Liaison statement to Working Parties 4A, 7B, 7C, 7D, 8B, 9B and 9D and Joint Working Party 10-11S - Protection of passive services
[4A/226,8D/199,1-6/57] Liaison statement to Working Parties 4A, 8D and Task Group 1/6 on Receiver reference bandwidth of aeronautical radionavigation systems operating in the band 5.091-5.250 GHz
[4A/227,8B/100,8D/207] Liaison statement to Working Party 4A - Issues relating to the sharing between the NGSO MSS feeder link systems and RLANs in the band 5 150-5 250 MHz
[4A/228] Arrangements for the Working Party 4A meeting in April 1999
[4A/229] Liaison statement to Working Party 4A for information - The loss in excess to free space due to building shielding in the band 5150-5250 MHz
[4A/230,8A/116,9D/112,10-11S/112] Liaison statement to Working Parties 4A, 8A, 9D and Joint Working Party 10-11S
[4A/231] Liaison statement to Working Party 4A - Frequency sharing between the space research service and the fixed-satellite serive in the bands 37.5-38 Ghz and 40-40.5 GHz band
[4A/232] Liaison statement to Working Party 4A - Response to liaison statement from Joint Task Group 4-9-11
[4A/233] Liaison statement to Working Party 4A - Analytical approach for assessing interference in environments involving NGSO satellite networks
[4A/234] Liaison statement to Working Party 4A - Passive allocation in the band 18.6-18.8 GHz
[4A/235] Liaison statement to WP4A-Protection for the earth exploration-satellite (passive) and space research (passive) services in the freq. band 15.35-15.4 GHz from unwanted emission feeder-link NGSO MSS space stat. operating in the 15.43-15.63 GHz band
[4A/236] Liaison statement to WP 4A - Regarding studies of sharing between spaceborne passive sensors and the inter-satellite service operating near 118 and 183 GHz
[4A/237,4B/52,4-9S/104] Liaison statement to WPs 4A, 4B and 4-9S from WPs 3J and 3M
[4A/238] Liaison statement from WP 3M to WP 4A on Sharing between RLANs and MSS feeder uplink around 5 GHz
[4A/239,4-9S/108,7D/92,7D-9D/51,9B/106,9D/117] Preliminary draft text element for the CPM-99 Report on the Resolutions 726 (WRC-97) and 133 (WRC-97)
[4A/240,1-5/164] Liaison statement from Working Party 7D to Working Party 4A and Task Group 1/5
[4A/241] Liaison statement from WP 7D to WP 4A - Protection of the radio astronomy from interference produced in the frequency bands 15.35-15.4 GHz by unwanted emissions from NGSO MSS space stations (feeder links) operating in the band 15.43-15.63 GHz
[4A/242] Liaison statement to WP 4A - Response to liaison statement from JTG 4-9-11
[4A/243,8A-9B/113,8A/123,8D/231,9B/122] Interference to NGSO MSS feeder link (S5.447A) link from RLAN devices in the band 5 150 - 5 250 MHz
[4A/244] Operating parameters, link budgets, and protection criteria for a Ku band GSO network (space-to-earth) with large Earth station antennas
[4A/245] Responses to CR/116 and CR/115
[4A/246,4-9S/134,8D/273,10-11S/123] Part 1 - Liaison statement to Working Parties 4A, 4-9S, 8D and 10-11S
[4A/246,4-9S/134,8D/273,10-11S/123] Part 2 - Liaison statement to Working Party 4A, 4-9S, 8D and 10-11S
[4A/246,4-9S/134,8D/273,10-11S/123] Part 3 - Liaison statement to Working Party 4A, 4-9S, 8D and 10-11S
[4A/247] Unique characteristics of wideband links and requirements for their protection
[4A/248] Preliminary draft new Recommendation - Power flux density limits for wireless data networks operating in the 5 150 - 5 250 MHz band sharing frequencies with systems in the fixed satellite service
[4A/249] Satellite procedures - Resolution 129(WRC-97) Minneapolis
[4A/250] Proposed amendments to a PNDR on EIRP density limit and operational restrictions for RLANs to ensure the protection of NGSO MSS feeder links in the frequency band 5150-5250 MHz
[4A/251] Reference angles used in the GSO arc avoidance technique
[4A/252] Possible alternative approach to validate downkinks of non-GSO FSS network where aggregate EPFDdown limits are specified
[4A/253] EIRP density limit for RLAN transmitters employing OFDM scheme operating in the frequency band 5 150-5 250 MHz
[4A/254] Methodology to describe continuous curves of long-term EPFD limits as a function of antenna size
[4A/255] Working document towards a draft new Recommendation on frequency sharing between fixed satellite service and fixed service in the 40.5-42.5 GHz band
[4A/256P1] Operating parameters, link budgets and protection criteria for a GSO FSS network (space-to-earth in the 17.8-21.2 GHz band) with large earth station antennas
[4A/256P2] Operating parameters, link budgets and protection criteria for a GSO FSS network (space-to-earth in the 17.8-21.2 GHz band) with large earth station antennas
[4A/256P3] Operating parameters, link budgets and protection criteria for a GSO FSS network (space-to-earth in the 17.8-21.2 GHz band) with large earth station antennas
[4A/256P4] Operating parameters, link budgets and protection criteria for a GSO FSS network (space-to-earth in the 17.8-21.2 GHz band) with large earth station antennas
[4A/256P5] Operating parameters, link budgets and protection criteria for a GSO FSS network (space-to-earth in the 17.8-21.2 GHz band) with large earth station antennas
[4A/257] Impact of the interference mitigation technique by the USAKU-M1 Ku-band NGSO system on Sync loss in GSO systems
[4A/258] Draft new Recommendation on EPFDup
[4A/259] Draft new Recommendation - Maximum allowable error performance and availability degradations to digital fixed-satellite service hypothetical reference digital paths arising from interference
[4A/260, 8A/127, 8D/299] Protection requirements of NGSO MSS feeder links in the band 5 150 - 5 250 MHz (S5.447A) from radio devices having no ITU status
[4A/261] Protection criteria for GSO network with large Earth station antennas in the band 12.5-12.75 GHz (space-to-Earth)
[4A/262] Study and draft new Recommendation on sharing between spaceborne passive sensors in the earth exploration-satellite service and geostationary satellites operating in the fixed-satellite service in the band 18.6-18.8 GHz
[4A/263, 8D/304] Reply to TG 1/5's Liaison statements on unwanted emission unit of measurement, maximum necessary bandwidth for wide band systems, out-of-band (OOB) and out of allocated band (OAB) emissions
[4A/264] On the reference GSO earth-station radiation pattern of planar array antennas for use in interference assessment involving NGSO satellites
[4A/265] Comments on the methodology for sharing study between NGSO MSS feeder link and RLAN transmitters in the band 5 150-5 250 MHz
[4A/266,4-9S/156] Methodologies for determination of the coordination area for Earth stations operating to non-GSO space stations
[4A/267] Report on Task Group 1/5 activities
[4A/268] Cost effective techniques to overcome NGSO interference at sensitive GSO links in the 10.7 to 12.75 GHz band
[4A/269] Reference Ku-band scenario for GSO FSS networks within Europe for use in studies of interference into NGSO FSS systems
[4A/270] Application of Recommendation ITU-R S.1323 to carriers in the 116 FSS0-March-22.xls spreadsheet
[4A/271] Application of pfd limits to steerable beams
[4A/272] Further evaluation of reference GSO earth-station radiation patterns for use in interference assessment involving NGSO satellites
[4A/273] Draft new Recommendation - Methodology used in the derivations of single entry epfd from an aggregate
[4A/274] Derivation of alternative candidate epfd limits in the frequency bands 10.7-12.75 GHz
[4A/274A1] Derivation of alternative candidate epfd limits in the frequency bands 10.7-12.75 GHz
[4A/275] Proposed new Annex to Recommendation ITU-R S.1323 - Methodology D' application of procedure D to NGSO FSS systems
[4A/276] Analysis of the impact of the epfd limits on the potential for synchronisation losses in FSS transmissions in the 11-12/13-14 GHz bands
[4A/276A1] Analysis of the impact of the epfd limits on the potential for synchornisation losses in FSS transmission in the 11-12/13-14 GHz bands
[4A/276Attachment 1] Analysis of the impact of the epfd limits on the potential for synchronisation losses in FSS transmissions in the 11-12/13-14 GHz bands
[4A/276A2] Analysis of the impact of the epfd limits on the potential for synchronisationlosses in FSS transmissions in the 20/30 GHz bands
[4A/277] Preliminary draft new Rec.on continuous curves of equivalent power flux densities to protect Earth stat.in the FSS operating to satellites in the geost.orbit from unacceptable interf.by satellites in non-geostat.orbits sharing the same freq.bands
[4A/278] On the methodology and criterion to assess RLAN interference to MSS feeder links in the band 5.15-5.25 GHz, and the impact of a limit on the radiated power of RLANs
[4A/279] US proposed aggregate EPFDdwn mask for Ku-band
[4A/280] Development of EPFD limits for NGSO systems operating in the 10.7 to 12.75 GHz band
[4A/281] An evaluation of EPFD masks (JTG/TEMP/92) to protect GSO networks in bands below 30 GHz from NGSO sources of interference sharing the same spectrum
[4A/282] NGSO interference and the design and analysis of Ka-band GSO systems employing adaptive coding as a fade countermeasure
[4A/283] Evaluation of links submitted to JTG 4-9-11 in format of CR92 and CR116 Annex II link parameters on EPFDdown limits in the 19.7 - 20.2 GHz band
[4A/284] Proposed revision to preliminary draft new Recommendation - Proposed methodologies for calculating suitable NGSO EPFD and APFD levels necessary to meet acceptable unavailability criteria by means of I/N ratios
[4A/285] Working document towards a preliminary draft new Recommendation on out-of-band (OOB) emissions for the fixed-satellite services on a band-by-band basis
[4A/286] Working document toward a PDNR on frequency sharing between non-GSO FSS systems in sub-geosynchronous inclined elliptical orbits and other GSO FSS systems in the bands 3.7-4.2 GHz and 5 925-6 725 GHz
[4A/287] Working document towards a DNR on frequency sharing between multiple non-geostationary fixed-satellite service (NGSO FSS) systems in the 20/30 GHz band
[4A/288] Draft modifications to Recommendation ITU-R S.524-5
[4A/289] Working document towards a proposed draft new Recommendation - Methodology for performing parametric interference studies of globally distributed GSO FSS networks sharing spectrum with NGSO systems
[4A/290] Use of the 13.75 - 14 GHz band by non-geostationary satellite systems of the Fixed Satellite Service
[4A/291] Assessing the potential benefits of having two non-GSO FSS systems simultaneously implementing in-line avoidance
[4A/292] Preliminary draft revision to Recommendation ITU-R S.1325
[4A/293] Assessing the potential benefits of imposing Off-Asix e.i.r.p. limits on NGSO FSS earth stations as a means of facilitating sharing between NGSO FSS systems
[4A/294] Pt 1 - Downlink interference between non-homogeneous NGSO systems operating in the Ka-band: Update
[4A/294] Pt 2 - Downlink interference between non-homogeneous NGSO systems operating in the Ka-band: Update
[4A/294] Pt 3 - Downlink interference between non-homogeneous NGSO systems operating in the Ka-band: Update
[4A/295] Draft new additional methodology to Recommendation ITU-R S.1323
[4A/296] Analysis of the effect of Radiolocation transmissions into NGSO FSS systems in the bands 13.75 - 14 GHz and 17.3 - 17.7 GHz
[4A/297] The frequency band 15.43 - 15.63 GHz usage for establishing NGSO MSS feeder links
[4A/298] Single entry EPFD masks to protect GSO FSS links defined in CR92 from non-GSO FSS systems operating in the 10-14 GHz band
[4A/299] Estimation of interference produced to radio astronomy stations in the frequency band 15.35 - 15.4 GHz by unwanted emissions from NGSO MSS space stations (feeder links) operating in the band 15.43 - 15.63 GHz
[4A/300] Estimation of interference produced to passive sensors in EESS and SRS services in the frequency band 15.35 - 15.4 GHz by unwanted emissions from NGSO MSS space stations (feeder links) operating in the band 15.43 - 15.63 GHz
[4A/301] Working document towards a draft CPM contribution (WRC-2000 agenda item 1.14) Proposals for CPM-99 report text related to WRC-2000 agenda item 1.14
[4A/302] Possible continuous curves of EPFDdown for use as limits in the band 17.8 - 18.6 GHz
[4A/303] 30/20 GHz band off-axis E.I.R.P. limits
[4A/304] Proposed addition to Recommendation ITU-R S.1257
[4A/305] Spurious emissions - practical levels which can be met by typical FSS spacecraft
[4A/306] Proposed modifications to Recommendation ITU-R S.1325 and to the JTG 4-9-11 software specification
[4A/307] 14/11 Band TT & Carries
[4A/308] Proportion of GSO FSS links to be protected from interference from non-GSO FSS networks
[4A/309] Proposed changes to Recommendation ITU-R S.1323
[4A/310] Potential for the FSS to share the band 18.6-18.8 GHz with passive services
[4A/311] Levels of unwanted emissions generated by GSO space station of the FSS operating in the 11-12 GHz and 18-21 GHz into frequency bands allocated to the radio astronomy service
[4A/312] Levels of spurious emissions generated by earth stations of the FSS operating in the 13-14 GHz and 27.5-30 GHz into frequency bnads allocated to the radio astronomy service
[4A/313] Off-axis e.i.r.p. density for earth stations in the fixed satellite service transmitting in the band 27.5 - 30 GHz
[4A/314] Measured DTH antenna diagrams for evaluation of NGSO interference into GSO networks
[4A/315] Proposed amendments to the TG 1/6 PDNR: "Determination of the coordination area around Earth stations in frequency band between [0.1 GHz and 105] GHz"
[4A/316] Working document toward new Recommendation - Calculating PFD limits for NGSO satellites to limit aggregate interference into GSO systems: an alternative approach
[4A/317] Simulation results between GSO FSS systems and two newly proposed KU-band non-GSO FSS systems
[4A/318, 4-9S/174,7D/95, 7D-9D/57, 9D/145] Liaison statement to Working Parties 7D, 9D, 4-9S, 4A and JRG 7D-9D
[4A/319] Proposals concerning ku-band EPFDdown limits
[4A/320] Working document toward a draft new Recommendation - Protection of fixed-satellite service networks using slightly-inclined geostationary-satellite orbits
[4A/321] Reduction in MSS satellite capacity from aggregate interference due to radio devices operating within services with no worldwide primary status
[4A/322] Part 1 - Derivation of alternative epfd limits in the bands 18-20 GHz
[4A/322] Part 2 - Derivation of alternative epfd limits in the bands 18-20 GHz
[4A/323] Protection of Radioastronomy Service near 15 GHz
[4A/324] Working Document - Reference radiation patterns of GSO FSS earth station antennas for use in NGSO frequency sharing studies
[4A/325] Threshold for coordination of frequency assignments between systems in non-geostationary orbit and networks in geoistationary orbit with large earth station antennas in the fixed-satellite service in the frequency bands 10.7-12.75 GHz, 17.8-18.6 G
[4A/326] Proposed modifications to Recommendation ITU-R 1323
[4A/327] Working document towards a preliminary draft new Recommendation - Methods for non-GSO FSS systems in the frequency bands between 10 and 30 GHz
[4A/328] Method for the determination of the coordination area around a BSS feeder-link transmitting earth station with respect to receiving earth stations in the FSS in the frequency band 17.7-18.1 GHz
[4A/329] Working document towards preliminary draft new Recommendation: A method for evaluating epfd limits for services whose availability are sensitive so synchronization timing recovery in the Ku band
[4A/330] On the reference GSO earth-station radiation pattern of small receiving reflector antennas for use in interference assessment involving NGSO satellite
[4A/331] Sharing between NGSO-FSS and the space research service in the 13.75-14.00 GHz band
[4A/332] "Interference to NGSO MSS feeder links (S5.447A) from RLAN devices in the band 5 150 - 5 250 MHz"
[4A/333] Use of FSS earth stations for uplinks operation in the band 13.75 - 14 GHz
[4A/334] Recommended off-axis eirp density levels for GSO TT & C uplinks operating in the normal mode
[4A/335] Analysis of the EPFD and APFD (EPFDup) performance of the USAKU-H2 NGSO FSS system utilizing sub-geosynchronous inclined elliptical orbits in the bands 10.7 - 12.7 GHz , 12.75 - 13.25 GHz, 13.8 - 14.5 GHz and 17.3 - 17.8 GHz
[4A/336] Simulation results of EPFDis, interference from NGSO constellations to a GSO satellite in the 10.7-11.7 GHz and 12.5-12.75 GHz bands and commentary on proposed aggregate EPFD limits
[4A/337] Draft liaison statement to JTG 4-9-11 - Determination of the number of non-GSO FSS systems (Neffective) to be used in derivation of single-entry EPFD masks in frequency bands between 10 and 30 GHz
[4A/338] Proposed modification to Recommendation ITU-R S.524-5 and Article S.22 to include off-axis eipr limits in the Ka-band
[4A/339] Short-term interference into a GSO earth station caused by several NGSO FSS systems using inhmogeneous orbits
[4A/340] Impact of NGSO FSS interference into GSO networks operated in slightly inclined orbit
[4A/341, 4-9S/176] Liaison Statement to Working Parties 4A and 4-9S
[4A/342] RLANs/MSS feeder links in the band 5 150-5 250 MHz - Proposed amendments to a ITU-R PDNR on eirp density limit and operational restrictions for RLANs to ensure the protection of NGSO MSS feeder links in the frequency band 5150-5250 MHz
[4A/343] RLANs/MSS feeder links in the band 5 150-5 250 MHz
[4A/344] Proposed modifications to Recommendation ITU-R S.1323
[4A/345] Analysis of the reference antenna patterns defined by JTG 4-9-11 for NGSO/GSO interference analysis
[4A/346,10-11S/124] Use of the frequency band 18.1-18.4 GHz by NGSO systems in the fixed satellite service (earth-to-space)
[4A/347] Preliminary draft new Recommendation - Recommended anatenna patterns for NGSO satellite multiple beam antennas operating in the fixed-satellite service below 30 GHz
[4A/348] USAMEO-1 NGSO system - EPFD interference into GSO's
[4A/349,10-11S/125] Proposed modification to the reference bandwidth used to express the various EPFD limits contained in Section II of Article S22 and to be applied by NGSO-FSS in the 10-18 GHz band
[4A/350] NGSO system characteristics
[4A/351] Estimation of the number of non-GSO FSS systems that can share the same frequency band in the space-to earth direction in the bands between 10 and 30 GHz
[4A/352] Maximum epfd levels and epfd statistics into specific GSO earth station antenna given in CR 115
[4A/353] Impact of the geographical location of GSO FSS earth stations on the EPFD level generated by a NGSO FSS system
[4A/354] Potential for error in link budget calculation implemented by methodology D
[A4/356] Sensitivity to interference of FSS carriers of the JTG 4-9-11 data base
[4A/357] Sharing conditions between radiolocation, space research, GSO FSS and NGSO FSS in the 13.75 - 14 GHz band
[4A/357C1] Sharing conditions between radiolocation, space research, GSO FSS and NGSO FSS in the 13.75-14 GHz band
[4A/358] Impact of the protection of GSO systems on NGSO systems operating co-frequency
[4A/359] Proposed updated sharing conditions in the 13.75-14 GHz band
[4A/360] Hispasat 14/11 GHz band GSO FSS links not adequately protected by provisional EPFD limits in RR S.22
[4A/361] Coordination area of non-GSO earth stations using the same frequency band as GSO earth stations in bidirectionally allocated FSS frequency bands
[4A/362] Aggregation of interference from multiple non-GSO FSS systems into GSO FSS systems operating in the 10.7 to 12.75 GHz band
[4A/363] Draft new Recommendation - Methods to enhance sharing between non-GSO FSS Systems (except MSS feeder links) in the frequency bands between 10-30 GHz
[4A/364] Possible update regulatory provisions in the frequency bands covered by Resolution 130 (WRC-97), 131 (WRC-97) and 538 (WRC-97)
[4A/365] Receiver reference bandwidth required for the determination of coordination distances between the international standard microwave landing system (MLS) and non-geostationary mobile satellite service stations providing feeder uplink services
[4A/366] Proposed draft new Recommendation - Measurement procedure for determining spacecraft EIRP and antenna discrimination
[4A/367] Technical characteristics of an hybrid c/Ku-band GSO satellite network and analysis of various candidate sets of power flux-density limits to be included in Article S22
[4A/368] Definition of quasi-geostationary satellite orbit (QGSO)
[4A/369] Determination of EPFD levels to protect Canadian GSO/FSS networks from the downlink interference from NON-GSO/FSS networks in the 19.7-20.2 GHz band
[4A/370] Working document towards a draft new Recommendation - A satellite-based reference for NGSO sharing
[4A/371, 4B/61] Impact of loss of synchronization on GSO transmissions
[4A/372 - 10-11S/126] Proposals for the definition of the EPFD up and EPFD is and associated limits in Article S22 in the frequency band 10.7 - 18.4 GHz
[4A/373] Candidate alternative epfd limits in the 10-12 GHz band
[4A/374] Assessment of the impact of GSO FSS systesm into NGSO FSS systems using methodology D'
[4A/375] Review of the earth station off axis power limitations in the fixed satellite service in the frequency bands 12.75-13.25 GHz and 13.75-14.5 GHz
[4A/376] Proposed draft new Recommendation - Impact of the sun interference into a GSO FSS link
[4A/377] System impact of NGSO FSS interference on GSO FSS networks
[4A/377Attachment 3] System impact of NGSO FSS interference on GSO FSS networks
[4A/378] Impact of the accuracy of the pointing direction of a GSO antenna towards a GSO earth station at the edge of coverage
[4A/379] Cumulated effect of interference from several NGSO FSS systems
[4A/380] Working document towards the development of a methodology to determine the need for coordination in the application of No.S9.12 of the radio regulations
[4A/381] Assessment of the impatc ot NGSO-NGSO sharing
[4A/382] Sensitivity of the epfd levels generated by a NGSO FSS network into GSO FSS and BSS networks
[4A/383] Application of the proposed DNR on sun interference into GSO FSS links from CR/116
[4A/384] Proposed CPM text concerning the coexistence of GSO and non GSO FSS
[4A/385] Practicable levels of unwanted emissions from fixed and mobile satellites
[4A/386] Proposed draft modification to Recommendation ITU-R S.524-5
[4A/387] Simulations of frequency sharing between heterogeneous NGSO FSS systems in the bands 18.8-19.3 GHz and 28.6-29.1 GHz
[4A/388] Adhering to provisions of Annex 7 to Appendix 30/30A during Replan of Regions 1 and 3 BSS Plan
[4A/389] Proposed changes to Recommendation ITU-R S.1323
[4A/390] Constraints on NGSO FSS systems resulting from the need to protect GSO FSS and BSS systems
[4A/391] Preliminary draft new Recommendation - Consideration for hypothetical reference digital paths when implemented for providing services whose availability are sensitive to synchronization timing recovery
[4A/392] Draft liaison statement to JTG 4-9-11 - Synchronization loss
[4A/393] Spurious emissions - Practical levesl which can be met by typical FSS spacecraft
[4A/394] Case studies on epfd and epfup limits to protect GSO FSS carriers in Ka-bands
[4A/395] Determination of EPFD limits to protect Canadian GSO/FSS networks including TT&C carriers from the downlink interference from non-GSO/FSS networks in the 11.7 - 12.2 GHz band
[4A/396] Liaison statement to Working Party 4A (for information) - The loss in excess to free space due to building shielding in the band 5 150- 5 250 GHz
[4A/397] Protection of GSO inclined orbit operation from interference caused by NON-GSO systems
[4A/398r1] This document has been withdrawn
[4A/399] Off-axis EIRP density limits in the freuqency band 27.5-29.5 GHz
[4A/400] Proposed non-GSO FSS epfd limits to protect GSO FSS carriers in the 14/11 GHz band
[4A/401] FSS Sharing at 38 GHz and above 71 GHz
[4A/402] Proposed NON-GSO FSS EPFD limits to protect GSO FSS carriers in the 30/20 GHz band
[4A/403] Proposed modifications to the preliminary draft revision of Recommendation ITU-R S.1323
[4A/404, 10-11S/127] Geometric conversions for use with the 3D antenna model
[4A/405] Reference earth station antenna pattern for use in calculating interference from NGSO systems into GSO FSS networks
[4A/406] Excess path loss due to building blockage on the indoor to outdoor interference path from RLAN to NGSO-MSS at 5 GHz
[4A/407] NGSO MSS feeder link and Radio-LAN in the band 5 150 - 5 250 MHz
[4A/408] Criterion for protection of NGSO MSS feeder links operating in the band 5 150 - 5 250 MHz (S5.447A) from radio LANs
[4A/409] Average building attenuation for indoor to satellite interference propagation at 5 GHz
[4A/410] Power considerations relating to Radio LAN terminals (ETS 300 652) intending to operate in the same band as NGSO feeder uplinks (5 150 - 5 250 MHz)
[4A/411] Projected population of HIPERLAN devices
[4A/412] List of documents issued (4A/197 - 4A/412)
[4A/413,9D/146] Liaison statement to Working Parties 9D and 4A - Frequency sharing between the fixed service and the inter-satellite service in the band 32-33 GHz
[4A/414] Liaison statement to Working Party 4A - Analytical method for assessing interference in environments involving non-GSO satellite networks
[4A/415] Liaison statement to Working Party 4A - Frequency sharing between quasi-geostationary FSS systems and systems
[4A/416, 8A-9B/131] Liaison statement to WP 4A and JRG 8A-9B on RLANs and NGSO MSS feeder links operating in the band 5 150-5 250 MHz
[4A/417] Liaison statement to WP 4A - Technical and operating characteristics of earth stations on board vessels in the bands 3 700-4 200 MHz and 5 295-6 425 MHz
[4A/418,7B/65] Note to the Coordinator of Chapter 6 of the CPM-99 Report - Sharing between the space research service and the fixed-satellite service in the bands 37.5-38 GHz and 40-40.5 GHz
[4A/419] Liaison statement to WP 4A - Proposed CPM text for inclusion in Working Party 4A response to resolution 129 (wrc-97) on pfd limits applicable to the FSS in the band 40.5 - 42.5 GHz
[4A/420] Draft element for CPM-99 text related to WRC-2000 agenda item 1.4 on sharing between high density fixed service systems and fixed-satellite systems (space-to-earth) in the frequency bands 37.5-40.0 GHz and 40.5-42.5 GHz
[4A/421] Liaison statement to GTE and WP 4A - Minimum orbital separation between a receive BSS feeder-link GSO space station and a transmit BSS or FSS space station in the 17.3-18.4 GHz babd
[4A/422] Part 1 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4May 1999
[4A/422] Part 2 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/422] Part 3 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/422] Part 4 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/422] Part 5 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/422] Part 6 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/422] Part 7 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/422] Part 8 - Chairman's Report from meeting of Working Party 4A - Geneva, 26 April - 4 May 1999
[4A/423] Liaison statement to WP 4A and JRG 8A-9B - EIRP density limit and operational restrictions for RLANs in the band 5 150 - 5 250 MHz
[4A/424] Report of the Chairmen of Joint Expert's Group 4A-8A-9B
[4A/425] Liaison statement to WP 4A - RLAN e.i.r.p. density limit for protection of NGSO MSS feeder links in the band 5 150-5 250 MHz
[4A/426,10-11S/211] Liaison statement to JWP 10-11S and WP 4A - Regulatory/procedural aspects relating to Appendices 30 and 30A, in the framework of WRC-99 agenda items 1.19, 1.19bis and 1.20
[4A/427, 7D/103, 10-11S/212] Liaison statement to Working Parties 4A, 7D and 10-11S and to the Chairmen of Working Parties 4A, 7D and 10-11S
[4A/428, 7D/104, 8D/319] Liaison statement to Working Parties 4A, 7D and 8D and to the Chairmen fo Working Parties 4A and 7D - Proposal for interference calculations between radioastronomy telescopes and NGSO satellites systems
[4A/429, 7B/69, 7C/164, 7D/105, 8A/132, 8B/110, 8D/320, 9B/144, 9C/34, 10A/70, 10B/54, 11C/73, 10-11S/214] Liaison statement to Working Parties 4A, 7B, 7C, 7D, 8A, 8B, 8D, 9B, 9C, 10A, 10B and 11C and Joint Working Party 10-11S
[4A/430, 8A/133, 8B/111, 8D/321, 10-11S/235] Liaison statement to Working Parties 4A, 8A, 8B, 8D and 10-11S on out of band regions of multicarrier system
[4A/431] Reply to liaison statement from Working Party 4A - EPFDup and EPFDis limits
[4A/432, 3M/135] Reply to liaison statement from Working Party 3M - Rain and cloud attenuation for GSO BSS systems
[4A/433] Liaison statement to WP 4A - Proposed modification to draft new Rec. ITU-R BO.[11/136(Rev.1)]: Functional description to be used in devel. software tools for determ.conformity of non-GSO FSS networks with limits contained in Article S22 of the RR
[4A/434] Liaison statement to Working Party 4A - Further studies related to the application of Recommendation ITU-R S.672-4 to both the BSS satellite transmit and the feeder-link satellite receive antennas
[4A/435, 4A/435, 7D/107, 10-11S/251] The Commission of the allocation of frequencies for radio astronomy and space sciences
[4A/436, 4B/70] Reasons for the proposed modifications to Recommendation ITU-R S.1429 (Doc. 4/59)
[4A/437, 7B/73, 7C/190, 7D/112, 8B/113, 8D/325, 8F/1, 10-11S/254] Liaison statement from TG 1 /5 to WPs 4A, 7B, 7C, 7D, 8B, 8D, 8F and JWP 10-11S (Chairman) concerning a prelim.draft new Rec. on the protection of passive services from unwanted emissions
[4A/438] Proposed amendment to draft new Rec. ITU-R BO.[Doc. 11/136(Rev.1)]: Functional description to be used in developing software tools for determining conformity of non-GSO FSS networks with limits contained in Article S22 of the RR
[4A/439] Proposed deletion of Recommendation ITU-R S.1065 - Power flux-density values to facilitate the application of RR Article 14 for the FSS in Region 2 in relation to the BSS in the band 11.7-12.2 GHz
[4A/440, 10-11S/255] Proposed new limits on the power flux-density of BSS assignments in the orbital arc 37░W to 10░ES
[4A/441] Space services spurious emissions limits
[4A/442] Handbook Group Activity Report - Publication of Edition 3 of the "Handbook on Satellite Communications (FSS)"
[4A/443] Examination under No. S11.32 of frequency assignments to an inter-satellite link of a geostationary space station communicating with a non-geostationary space station
[4A/445] Working document for sharing studies for non-GSO systems (Technical characteristics of Japanese HEO system)
[4A/446] DRTS feeder link spectrum and out of band emission mask proposed by WP 4A in the 26/20 GHz band
[4A/447] The coordination trigger and related coordination procedures (Resolution 86 PP-98, Minneapolis)
[4A/448] Proposed new Annex to Recommendation ITU-R S.524-5 - The off-axis eirp density from GSO/FSS earth stations operating in the 30/20 GHz frequency bands
[4A/449] GSO FSS network coordination identification
[4A/450] Polarization of NGSO satellite antennas
[4A/451] Working document - Frequency sharing between NGSO systems in bands below 30 GHz, simulation times required for NGSO/NGSO sharing studies
[4A/452] Response to liaison statements from TG 1/5 (4A/427, 428)
[4A/453] Working Document towards a draft revision to Recommendation ITU-R S.1323 to add a definition of a single entry interference criterion to be used during coordination between two non-GSO FSS systems
[4A/454] Proposed modifications to draft revision of Recommendation ITU-R S.1323
[4A/455] Working document towards a Preliminary Draft New Recommendation on a definition of a non-GSO FSS system interference environment metric for co-directional frequency sharing between non-GSO FSS systems
[4A/456] Necessary bandwidth for single and multi-carrier emissions of satellite systems - Response to liaison statement from TG 1/5 - On out-of-band regions of multi-carrier systems
[4A/457] Working document towards a draft new Recommendation on Unwanted emissions for the fixed-satellite services on a band-by-band basis
[4A/458] Threshold for coordination of frequency assignments between systems in non-geostationary orbit and networks in geostationary orbit with very large Earth station antennas in the fixed-satellite service in the frequency band 10.7 - 12.75 GHz
[4A/459] Calculation of aggregate interference levels between closely spaced dual circularly and dual linearly polarized geostationary-satellite networks in the fixed-satellite service
[4A/460] Editorial changes to the JTG software specification
[4A/461] Proposed modifications to footnote S5.502 of the Radio Regulations
[4A/461c1] Proposed modifications to footnote S5.502 of the Radio Regulations
[4A/462] Proposed modification to Recommendation ITU-R S.1323
[4A/463] Proposed modification to Recommendation ITU-R S.673 - Terms and definitions relating to space radiocommunications
[4A/464] A proposed meausement technique for verifying compliance of NGSO FSS systems with the maximum operational EPFDdown limits
[4A/465] Preliminary draft new Recommendation on Continuous curves of EPFDdown versus GSO FSS earth station antenna diameter
[4A/466] Justification for the 29.5-30 GHz off-axis EIRP density limits in Recommendation ITU-R S.524
[4A/467] Revision of the operational constraints for FSS Earth stations in the frequency band 13.75-14.00 GHz given in footnote S5.502
[4A/467] Revision of the operational constraints for FSS earth stations in the frequency band 13.75-14.00 GHz given in footnote S5.502
[4A/468] Sharing between Region 1 BSS plan systems and Region 2 FSS networks in the orbital arc from 37 degrees W to 10 degrees E
[4A/469] Power flux-denisty values to protect WRC-97 BSS assignments from FSS interference in the 11.7 - 12.2 GHz band
[4A/470] Modification to Recommendation ITU-R S.1323
[4A/471] Comments on RR S5.488
[4A/472] Procedures for assuring compliance with EPFD limits
[4A/473] Maximum coordination arc
[4A/474] Proposal for the creation of an electronic SG 4 databank on satellite system characteristics for use in frequency sharing analyses and proposed revision of Recommendation ITU-R S.1328 - Satellite system characteristics for be considered in ...
[4A/475] Impact of sun interference into a GSO FSS link
[4A/476] Review of EPFD down limits in the bands 10.7-12.75 GHz
[4A/477] Analytical method for assessing the statistics of interference between non-GSO satellite networks and GSO satellite networks, fixed service systems or other non-GSO satellite networks
[4A/478] Maximum out-of-band emission levels from FSS satellites
[4A/479] Proposed revision of Recommendation ITU-R S.1323 - Criteria for NGSO FSS systems
[4A/480] Working document - Mitigation techniques for HEO systems
[4A/481] Proposed revision to Recommendation ITU-R S.1325 to more accurately assess the EPFD statistics generated by a non-GSO FSS system
[4A/482] Feasibility of verifying compliance with EPFDdown limits in the band 10.7-12.75 GHz by field measurement
[4A/483] Accurate modelling of multiple non-GSO FSS systems in the 10 - 14 GHz bands, and their aggregate EPFDdown into GSO FSS Earth stations
[4A/484] Proposed draft new Recommendation - Methods for inclusion in software used for comparison of non-GSO FSS networks with the additional operational limits contained in Article S22 of the Radio Regulations
[4A/485] Working document toward a draft new Recommendation on a Methodology for making EPFDdown measurements from a non-GSO system to evaluate compliance with operational EPFDdown limits
[4A/486] Working document toward a draft new Recommendation - Thresholds for coordination of frequency assignments between systems in non-geostationary orbit and networks in geostationary orbit with very large earth station antennas in the ...
[4A/487] Preliminary draft new Recommendation - Measurement procedure for determining the maximum EPFD from a NGSO FSS system into a GSO FSS earth station
[4A/488c1] Coordination arc of geostationary-satellite networks
[4A/488] Coordination arc of geostationary-satellite networks
[4A/489] Comments and proposed modification to PDNR: Impact of the sun interference into a GSO FSS link
[4A/490] Working document towards a revision to DNR 4/64 - Sharing among NGSO FSS systems in the bands 10-18 GHz
[4A/491] Working document toward a Preliminary Draft New Recommendation on how to account for environmental and other effects on satellite array antenna sidelobe levels
[4A/492] Working document toward a new Recommendation on the implementation of the aggregate EPFD Mask Limits
[4A/493] Working document towards out-of-band spectral mask, for the fixed satellite service, for TG 1/5 out-of-band preliminary draft new Recommendation
[4A/494] Preliminary draft new Recommendation: A method for assessing interference levels from non-GSO FSS systems into GSO FSS antennas sizes between 3 and 10 meters
[4A/495] Draft - Working document towards revision of Recommendation ITU-R S.1068
[4A/496] Proposed modification to DNR ITU-R 11/136 "Functional description to be used in developing software tools for determining conformity of non-GSO FSS network with limits contained in Article S22 of the Radio Regulations"
[4A/497] Measurement techniques for verification of compliance of non-GSO/FSS networks with regulatory EPFD limits
[4A/498] Preliminary draft new Recommendation - Minimum operating characteristics of FSS systems operating in the 40/50 GHz bands
[4A/499] Proposed modification to working document towards a DNR on a methodology to describe continuous curves of long-term EPFDdown validation limits as in the bands 10.7 - 12.75 GHz, 17.8 - 18.6 GHz and 19.7 - 20.2 GHz
[4A/500] Specification of operational pfd values required for the geostationary satellites in the fixed-satellite service to operate viable downlinks into gateway earth stations in the 37.5-40 GHz frequency band
[4A/501] Proposed draft new Recommendation - Method for the generation of PFD/EIRP masks used for software compliance of NGSO systems
[4A/502] DNR - Methodology for performing parametric interference studies of globally distributed GSO FSS networks sharing spectrum with NGSO systems
[4A/503] Technical bases for orbital position limitations on the BSS Plan for Regions 1 and 3 to permit sharing in the 11.7-12.2 GHz band with Region 2 FSS
[4A/504] Comments on Liaison Statement to from TG 1/5 on an expanded definition of necessary bandwidth and on a new concept of multicarrier spectral mask
[4A/505] Preliminary draft new Recommendation: A method for evaluating epfd limits for services, operating in the Ku band, whose availability area sensitive to synchronization timing recovery
[4A/506] Preliminary draft new Recommendation - Methodology for calculation of interference from certain types of non-geostationary fixed-satellite service systems into geostationary fixed-satellite service networks operating in the 3700-4200 MHz and .....
[4A/507] Preliminary draft new Recommendation - Frequency sharing between certain types of homogeneous non-GSO FSS systems in the 4/6 and 11/14 GHz bands
[4A/508] Recommended changes to Recommendation ITU-R BO.[11/136] ([11/153)], "Functional description to be used in developing software tools for determining conformity of non-GSO FSS networks with limits contained in Article S22 of the Radio Regulations"
[4A/509] Working document - A methodology for estimating the increased unavailability due to interference of between NGSO systems
[4A/510] Preliminary draft new Recommendation - Equivalent power flux density limits, EPFDdown, to protect the geostationary fixed-satellite service (FSS) in the 17.8-18.6 GHz (space-to-Earth) and 19.7-20.2 GHz (space-to-Earth) bands from interference...
[4A/511] Preliminary Draft modification to description of USAKU-M1 in ITU-R S.1328
[4A/512] Proposed updated sharing conditions in the 13.75-14 GHz
[4A/512C1] Proposed updated sharing conditions in the 13.75 - 14 GHz
[4A/513] Proposed modification to the preliminary draft new Recommendation on satellite antenna radiation pattern for non-GSO satellite antennas operating in the fixed-satellite service (FSS) below 30 GHz
[4A/514] Proposed draft new Recommendation - Procedure for the identification of non-GSO interference sources into an operational GSO earth station
[4A/515] Working document towards a PDNR - Interpolation of EPFD limits to other antenna diameters
[4A/516] Protection of FSS from a modification to one of the BSS plans in the frequecy band 11,7 - 12,7 GHz
[4A/517] Development of a methodology to determine the need for coordination in the application of Nos. S9.12 and S9.13 of the Radio Regulations
[4A/518] EPFD coordination thresholds for the protection of GSO Earth stations with very large antennas against interference from non-GSO FSS systems
[4A/519] Proposed modifications to PDNR: Impact of the sun interference into a GSO FSS link
[4A/520] Preliminary draft new Recommendation on NGSO FSS EPFD limits to protect GSO/FSS in 10-18 GHz and 20-30 GHz frequency bands
[4A/521] Working Document - Assessment of end-of-life radiating performance of satellite antennas to be used in interference calculations
[4A/522] Proposed draft new Recommendation - A test procedure for measuring EPFD levels generated into an operational GSO earth station
[4A/522a1] Addendum 1 to proposed draft new Recommendation: A test procedure for measuring EPFD levels generated into an operational GSO earth station
[4A/523] Working document towards a preliminary Draft revision of Recommendation ITU-R S.1428
[4A/524] Proposed PDN on characteristics of radars and mitigation techniques for the protection of GSO FSS systems in the 17.3-17.8 GHz band
[4A/525] Proposed modifications to Recommendation ITU-R S.1068 on fixed satellite and radiolocation/radionavigation services sharing the band 13.75-14 GHz
[4A/526] Working Document - Results of simulations of interference between NGSO FSS systems
[4A/527] Simplified verification and measurement of NGSO interference (space-to-Earth)
[4A/528] GSO network coordination
[4A/529] Proposed modification of Recommendation ITU-R S.1429 - Error performance objectives due to internetwork interference between GSO and non-GSO fixed-satellite service systems for hypothetical reference digital paths operating at or above the primary
[4A/530] Proposed modification to Recommendation ITU-R S.1257 - Analytical method to calculate visibility statistics for non-geostationary satellite orbit satellites as seen from a point on the Earth's surface
[4A/531] List of documents issued
[4A/532] Liaison statement to Working Party 4A - Frequency sharing between the space research service and the fixed-satellite service in the bands 37.5-38 GHz and 40-40.5 GHz
[4A/533, 1-5/266] Liaison statement to Working Party 4A and TG 1/5 - Equivalent power flux density
[4A/534, 8D/328, 10-11S/256] Liaison statement to Working Parties 4A and 8D, and to JWP 10-11S
[4A/535] Report on Task Group 1/5 activities
[4A/536] Part 1 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 2 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 3 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 4 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 5 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 6 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 7 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
[4A/536] Part 8 - Chairman's Report from meeting of Working Party 4A (Geneva, 21-29 February 2000)
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