| Contributions  | 
| 
 | Number 
 | Title | Source | AI/Question 
 | Date | 
|  | [ 548 ] 
 | Liaison statement to WP 4A - Request for additional information on the characteristics of HEO fixed-satellite service systems in the 4, 11/12 and 18 GHz bands | JWP 4-9S |  | 2003-05-12 | 
|  | [ 547 ] 
 | Liaison statement to Working Parties 6E, 6S, 4A and Task Group 6/8 - HEO satellite systems below 1 GHz | WP 9D |  | 2003-04-25 | 
|  | [ 546 ] +Ann.1-25
 | Chairman's report on the meeting of Working Party 4A, Geneva, 10 - 19 March 2003 | Chairman, WP 4A |  | 2003-04-03 | 
|  | [ 545 ] 
 | Final List of Participants - Working Party 4A | Director, BR |  | 2003-03-18 | 
|  | [ 544 ] 
 | Liaison statement to WP 4A, WP 6S, WP 7C, WP 8D: Extension of the coordination ARC for identification of affected administrations | SAT-BAG |  | 2003-03-12 | 
|  | [ 543 ] 
 | List of documents issued | BRSGD |  | 2003-03-07 | 
|  | [ 542 ] 
 | Working document towards calculation of the potential for interference from UWB devices to FSS receive Earth stations in the band 3 625-4 200 MHz | Brazil (Federative Republic of) | 222/4, 248/4, 261/4 | 2003-03-07 | 
|  | [ 541 ] 
 | Validation of simulation software packages developed in accordance with Recommendation ITU-R S.1503 | Alcatel |  | 2003-03-07 | 
|  | [ 540 ] (Rev.1)
 | This document has been withdrawn by the Russian Federation | Russian Federation | 240-1/4 | 2003-03-06 | 
|  | [ 539 ] 
 | Report to Working Party 4A - Automation of checking compliance with RR article 5 | United Kingdom of Great Britain and Northern Ireland | 230/4 | 2003-03-05 | 
|  | [ 538 ] 
 | Proposed modification to the definition of geostationary satellite (No. 1.189) | France |  | 2003-03-05 | 
|  | [ 537 ] 
 | Proposed up-grade of a preliminary draft new Recommendation into a draft new Recommendation | France | 231/4 | 2003-03-05 | 
|  | [ 536 ] 
 | Proposed modification to Appendix 4 data to allow the submission of non-GSO systems with heterogeneous orbits | France |  | 2003-03-05 | 
|  | [ 535 ] 
 | Proposed revision to Recommendation ITU-R S.465-5 - Reference earth-station radiation pattern for use in coordination and interference assessment in the frequency range from 2 to about 30 GHz | France | 42/4 | 2003-03-05 | 
|  | [ 534 ] 
 | Proposed revision to Recommendation ITU-R S.580-5 - Radiation diagrams for use as design objectives for antennas of earth stations operating with geostationary satellites | France | 42/4 | 2003-03-05 | 
|  | [ 533 ] 
 | Working document towards a Preliminary draft new Recommendation - Sharing between geostationary networks and non-geostationary systems in the 6/4 GHz range | France | 231/4 | 2003-03-05 | 
|  | [ 532 ] 
 | 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, 13 GHz, 14 GHz and 30 GHz frequency bands | France | 259/4, 70/4 | 2003-03-05 | 
|  | [ 531 ] 
 | Working document toward a preliminary draft new Recommendation for transmitting radiation diagrams for antennas of earth stations operating with geostationary satellites for use in interference assessment in the frequency range from 2 to [86] GHz | Canada | 42-1/4 | 2003-03-05 | 
|  | [ 530 ] 
 | Implementation of interference and other considerations to links in the fixed-satellite service (space-to-Earth) for HDFSS Applications in Parts of the band 47.2-50.2 GHz | Canada |  | 2003-03-05 | 
|  | [ 529 ] 
 | Proposed modifications to 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 | United Kingdom of Great Britain and Northern Ireland |  | 2003-03-05 | 
|  | [ 528 ] 
 | Guidelines for removal of non-compliance with operational and additional operation epfd down limits | United Kingdom of Great Britain and Northern Ireland |  | 2003-03-05 | 
|  | [ 527 ] 
 | Proposed modifications to Recommendation ITU-R S.524-7 - Off-axis EIRP spectral density limits for the band 27.5-29.5 GHz | United Kingdom of Great Britain and Northern Ireland |  | 2003-03-05 | 
|  | [ 526 ] 
 | epfd down statistics for various types of HEO system in the 4 GHz FSS band | United Kingdom of Great Britain and Northern Ireland |  | 2003-03-05 | 
|  | [ 525 ] 
 | Proposed modification to Recommendation ITU-R S.1003 - Environmental protection of the geostationary-satellite orbit | United Kingdom of Great Britain and Northern Ireland | 34/4 | 2003-03-05 | 
|  | [ 524 ] 
 | Earth station antenna patterns for use in coordination and interference assessment for the fixed-satellite service | Director, BR | 42-1/4 | 2003-03-05 | 
|  | [ 523 ] 
 | Interference from Ultra-Wide-Band devices into Canadian GSO satellite networks | Canada |  | 2003-03-03 | 
|  | [ 522 ] 
 | The measurement of the aggregate interference into non-GSO satellite receivers from RLAN devices in the 5 150-5 250 MHz band | Canada | 248/4 | 2003-03-03 | 
|  | [ 521 ] 
 | Revisions to 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 | Canada |  | 2003-03-03 | 
|  | [ 520 ] 
 | Link performance and mask compliance for highly elliptical orbit (HEO) satellite systems operating in the 4 GHz band | Canada |  | 2003-03-03 | 
|  | [ 519 ] 
 | Consideration of Resolution 78 (WRC-2000) | Korea (Republic of) |  | 2003-03-03 | 
|  | [ 518 ] 
 | Review of Working Document towards a preliminary draft new Recommendation: Guidelines for use by administrations on power flux-density values and associated calculation methodology for interregional protection of the FSS from planned BSS in the band 11.7-12.7 GHz (Resolution 540 (WRC-2000)) | Korea (Republic of) |  | 2003-03-03 | 
|  | [ 517 ] 
 | Proposed Draft New Recommendation on the electronic data file format for earth station antenna patterns | Brazil (Federative Republic of) |  | 2003-02-28 | 
|  | [ 516 ] 
 | Proposed amendments to the Preliminary Draft Revision to Recommendation ITU-R S.580-5 - Radiation diagrams for use as design objectives for antennas of earth stations operating with geostationary satellites | Brazil (Federative Republic of) | 42/4 | 2003-02-28 | 
|  | [ 515 ] 
 | Working document towards a preliminary draft new Recommendation - Static methodology for calculating EPFD down to trigger very large antenna coordination under NOS 9.7A and 9.7B | United States of America |  | 2003-02-27 | 
|  | [ 514 ] 
 | Draft revision to 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 | United States of America |  | 2003-02-27 | 
|  | [ 513 ] 
 | Comments on the scope of a PDNR on methodologies for worst-case interference levels from non-GSO FSS systems into GSO FSS networks | United States of America |  | 2003-02-27 | 
|  | [ 512 ] (Rev.1)
 | Working document toward a draft new Recommendation on protection of GSO FSS satellite networks from interferene caused by geosynchronous satellites in highly inclined orbits in the frequency band 19.7-20.2 GHz | United States of America | 231/4 | 2003-02-27 | 
|  | [ 511 ] 
 | Working document toward a preliminary draft new Recommendation on sharing between geostationary satellite networks and non-GSO satellite systems in the fixed-satellite service operating in the 6/4 GHz bands | United States of America | 241/4 | 2003-02-28 | 
|  | [ 510 ] 
 | Working Document on the Study of Appendix 30B Plan interference with modified plan parameters | United States of America | 202/4, 203/4, 224/4, 230/4, 262/4 | 2003-02-27 | 
|  | [ 509 ] 
 | Working document on the derivation of possible EPDF levels for HEO systems to protect GSO FSS networks in the 19.7-20.2 GHz band | United States of America |  | 2003-02-27 | 
|  | [ 508 ] 
 | Draft revision to Recommendation ITU-R S.580-5 | United States of America | 40/4 | 2003-02-27 | 
|  | [ 507 ] 
 | Proposed draft new Recommendation - Methodology for evaluation of worst-case interference levels among certain types of non-GSO FSS systems in situations where no in-line interference exists | Japan | 204/10, 231/4 | 2003-02-27 | 
|  | [ 506 ] 
 | Off-axis e.i.r.p density limitation in 28 GHz band | Japan | 259/4, 70/4 | 2003-02-27 | 
|  | [ 505 ] 
 | Proposed new Question on Possibility of fixed satellite systems using Ultra-Wideband (UWB) spreading signals | Japan |  | 2003-02-27 | 
|  | [ 504 ] 
 | Proposed up-grade of a preliminary draft new Recommendation to a draft new Recommendation | Japan | 236/4 | 2003-02-27 | 
|  | [ 503 ] +Corr.1
 | Considerations on epfddown limits in the frequency band 19.7-20.2 GHz | Japan |  | 2003-02-24 | 
|  | [ 502 ] 
 | A proposed draft new Recommendation on an alternative set of epfd limits applicable to HEO non-GSO FSS systems in the 19.7-20.2 GHz band | Japan |  | 2003-02-21 | 
|  | [ 501 ] 
 | Limits on the power flux density produced at the surface of the Earth by FSS satellites operating in the 4 000 MHz band in HEO | Russian Federation |  | 2003-03-21 | 
|  | [ 500 ] 
 | Liaison statement to Working Party 4A and copied to Working Parties 1A, 7C, 7D and Joint Working Party 4-9S - Compatibility analysis between the EESS (passive) in the band 50.2-50.4 GHz and a possible new allocation to the FSS (space-to-Earth) in parts of the band 47.2-50.2 GHz | N/A |  | 2002-12-13 | 
|  | [ 499 ] 
 | Liaison statement to WP 4A regarding assessment of unwanted energy falling into adjacent passive bands | TG 1/7 |  | 2002-12-12 | 
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