Various World Radiocommunication Conferences have revised Appendices 30 and 30A to the Radio Regulations. In accordance with Resolution 546 (WRC-03), the revised Appendices 30 and 30A entered into force on 5 July 2003 with the exception of the footnotes to § 4.1.5, 4.1.15, 4.2.8 and 4.2.19 and the revised Annexes. Those footnotes entered into force on 1 August 2003 and the revised Annexes entered into force on 1 January 2004.
The Bureau is using the revised Appendices 30 and 30A as adopted at WRC-03 in its examination of submissions.
The Bureau is currently examining the regulatory and technical aspects of these submissions. It is also publishing Special Sections, that contain the filed satellite network characteristics and coordination requirements.
The latest reference situations resulting from this review are contained in the zipped SPS Version 6.1 database below.
NOTE 1 - The technical characteristics and reference situation (EPM) for the Appendix 30/30A Plans & Lists and for pending Article 4 networks are provided in the Space Plans Systems (SPS) Version 6.1 database (MS Access 2000 format). In order to properly view the SPS database, SpaceCap (v6 or later) or SpacePub (v6 or later) software is required. SPS (v6.10 or later) is required to perform an MSPACE analysis on the networks contained in this database. Note that this database does not yet contain data for Appendix 30B networks (The Appendix 30B database is here).
NOTE 2 - Reference EPM values provided in the Regions 1 & 3 Plan and List files were calculated taking into account the interfering effect between Plan and List assignments and a 9° orbital separation limit. The user should set the MSPACEg options accordingly.
NOTE 3 - The following software needs to be installed to perform an analysis on the various Space Plans.
The Bureau has produced video presentations to assist administrations in using the SPS/MSPACEg software application:
 MSPACEg_R13_DL shows how to run MSPACEg for Appendix 30 Region 1 & 3 downlink assignments.
MSPACEg_R13_FL shows how to run MSPACEg for Appendix 30A Region 1 & 3 feeder-link assignments.
MSPACEg_R2 shows how to run MSPACEg for Appendices 30 & 30A Region 2 assignments.
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