{"id":1157,"date":"2023-07-19T09:52:16","date_gmt":"2023-07-19T09:52:16","guid":{"rendered":"http:\/\/wrc23.apt.int\/?page_id=1157"},"modified":"2024-07-16T10:43:58","modified_gmt":"2024-07-16T06:43:58","slug":"ai-10","status":"publish","type":"page","link":"https:\/\/apt4pp.apt.int\/index.php\/ai-10\/","title":{"rendered":"AI 10"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1157\" class=\"elementor elementor-1157\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b41c119 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no\" data-id=\"b41c119\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1fb7a93\" data-id=\"1fb7a93\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-24915e5 elementor-tabs-view-vertical elementor-widget elementor-widget-tabs\" data-id=\"24915e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-3831\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-3831\" aria-expanded=\"false\">AI10 (General Issues)<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-3832\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3832\" aria-expanded=\"false\">AI10 (Satellite Issues)<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-3833\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3833\" aria-expanded=\"false\">AI10 (Fixed, Mobile & IMT Issues)<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-3834\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3834\" aria-expanded=\"false\">AI10 (Science Issues)<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-3835\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"5\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3835\" aria-expanded=\"false\">AI10 (Aeronautical and Maritime Issues)<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-3831\" aria-expanded=\"false\">AI10 (General Issues)<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3831\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-3831\" tabindex=\"0\" hidden=\"false\"><p><em>to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19)<\/em><\/p><h5>AI10: General Issues<\/h5><ul><li><strong>Agenda for WRC-27 and preliminary agenda for WRC-31<\/strong><\/li><\/ul><p><strong>APT View: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/APG23-6-OUT-55-APT_View_and_PACP_WRC-23_Agenda_Item_10_General_Issues-Editorial.docx\">Doc. APG23-6\/OUT-55<\/a><\/strong><br \/><strong>APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.1)<\/strong><\/p><ul><li><strong>Modification to Resolution 804(Re.WRC-19)<\/strong><\/li><\/ul><p><strong>APT View: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/APG23-6-OUT-55-APT_View_and_PACP_WRC-23_Agenda_Item_10_General_Issues-Editorial.docx\">Doc. APG23-6\/OUT-55<\/a><\/strong><br \/><strong>APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.2)<\/strong><\/p><ul><li><strong>Elements for inclusion in Terms of Reference of the WRC-23 working group responsible for WRC-23 agenda item 10<\/strong><\/li><\/ul><p><strong>APT View: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/APG23-6-OUT-55-APT_View_and_PACP_WRC-23_Agenda_Item_10_General_Issues-Editorial.docx\">Doc. APG23-6\/OUT-55<\/a><\/strong><br \/><strong>APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.3)<\/strong><\/p><ul><li><strong>Input parameters for ITU-R studies to be acrried out by various ITU-R study groups\/working parties for relevant WRCs agenda items<\/strong><\/li><\/ul><p><strong>APT View: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/APG23-6-OUT-55-APT_View_and_PACP_WRC-23_Agenda_Item_10_General_Issues-Editorial.docx\">Doc. APG23-6\/OUT-55<\/a><\/strong><br \/><strong>APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.4)<\/strong><\/p><p><strong>APT Common Proposals on AI10: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/AI10_ACP.zip\">Doc. WRC-23\/62(Add.27)<\/a><\/strong><\/p><p><strong>AI Coordinator:<\/strong> <br \/>Dr. Mohammad Taghi Shafiee (Islamic Republic of Iran)<br \/><strong>Contact:<\/strong> shafiee[at]cra.ir<br \/><img decoding=\"async\" class=\"alignnone wp-image-2064\" src=\"https:\/\/aptforumbucket.s3.ap-southeast-1.amazonaws.com\/wp-content\/uploads\/2023\/10\/25060744\/Shafiee-225x300.jpg\" alt=\"\" width=\"126\" height=\"168\" \/><\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3832\" aria-expanded=\"false\">AI10 (Satellite Issues)<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3832\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-3832\" tabindex=\"0\" hidden=\"hidden\"><p><em>to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19)<\/em><\/p><h5>AI10: Satellite Issues<\/h5><ul><li><strong>Issue 1: WRC-27 preliminary agenda 2.3<\/strong><\/li><\/ul><p><strong>APT View:<br \/><\/strong>APT Members do not support the WRC-27 preliminary agenda item 2.3 be included in the agenda of WRC-27. APT Members support this item be included in the preliminary agenda of WRC-31.<\/p><p><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.15)<\/p><ul><li><strong>Issue 2: preliminary agenda 2.4<\/strong><\/li><\/ul><p><strong>APT View:<br \/><\/strong><\/p><ul><li>APT Members support to introduce power flux-density (pfd) and equivalent isotropically radiated power (e.i.r.p) limits in Article <strong>21<\/strong> of the Radio Regulations for satellite services (FSS, MSS, and BSS) to protect the fixed and mobile service, in the frequency bands 71-76 GHz and 81-86 GHz.<\/li><li>APT Members propose to modify the Resolution <strong>775 (WRC-19)<\/strong>. If the Resolution is revised, the protection of mobile service should also be taken into account.<\/li><li>APT Members do not support the WRC-27 preliminary agenda item 2.4 be included in the agenda of WRC-27. APT Members support this item be included in the preliminary agenda of WRC-31.<\/li><\/ul><p><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.16)<\/p><ul><li><strong>Issue 3: preliminary agenda 2.13<\/strong><\/li><\/ul><p><strong>APT View: <br \/><\/strong>APT Members do not support the inclusion of WRC-27 preliminary agenda item 2.13 in the agenda for WRC-27. APT Members support the suppression of Resolution <strong>248 (WRC-19)<\/strong>.<\/p><p><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.17)<\/p><ul><li><strong>Issue 4: preliminary agenda 2.7<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members do not support the inclusion of this preliminary item 2.7 in the agenda of WRC-27 and support the suppression of the Resolution <strong>178 (WRC-19)<\/strong><strong>.<\/strong><\/p><p><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.18)<\/p><ul><li><strong>Issue 5: preliminary agenda 2.8<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members do not support the inclusion of WRC-27 preliminary agenda item 2.8 in the agenda of WRC-27 and support the suppression of Resolution <strong>249 (WRC-19).<\/strong><\/p><p><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.19)<\/p><ul><li><strong>Issue 6: preliminary agenda 2.2<\/strong><\/li><\/ul><p><strong>APT View: None<br \/>APT Common Proposal: None<\/strong><\/p><ul><li><strong>Issue 7: New FSS\/BSS allocations (Region 3) in 17.3-17.7 GHz<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members support to include this issue in the agenda of WRC-27.<\/p><p><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.20)<\/p><ul><li><strong>Issue 8: non-GSO FSS in 51.4-52.4 GHz<\/strong><\/li><\/ul><p><strong>APT View: None<br \/>APT Common Proposal: None<br \/><\/strong><\/p><ul><li><strong>Issue 9: MSS allocations below 4 GHz<\/strong><\/li><\/ul><p><strong>APT View: None<br \/>APT Common Proposal: None<br \/><\/strong><\/p><ul><li><strong>Issue 10: Review of sharing conditions in the 13.75-14 GHz band<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members support to update the FSS earth station limitations under RR No. <strong>5.503<\/strong> by reviewing the usage and sharing conditions of the frequency band 13.75-14 GHz that will reduce the mismatch between the usage of the uplink and downlink FSS bands within the 10-15 GHz frequency range.<\/p><p>APT Members note that there has been no change to protection requirements for the radiolocation service and thus do not support the relaxation of the limits set out in RR No. <strong>5.502 <\/strong>unless the same level of protection as afforded to the radiolocation in the current RR No. <strong>5.502<\/strong> is ensured.<\/p><p>On that condition, APT Members supports the review the usage and sharing conditions of the band 13.75-14 GHz to enable efficient use of the band by uplink FSS earth stations with smaller antenna sizes for consideration at WRC-31.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.21)<\/p><ul><li><strong>Issue 11: non-GSO sharing with GSO in 11\/14 and 20\/30GHz<\/strong><\/li><\/ul><p><strong>APT View: None<br \/>APT Common Proposal: None<br \/><\/strong><\/p><ul><li><strong>Issue 12: Regulatory framework for non-GSO FSS to protect GSO FSS\/BSS<br \/><\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members are of the view that it is necessary to conduct studies to ensure the compatibility between non-GSO FSS and MSS systems in the frequency bands which Resolution <strong>35 (WRC-19)<\/strong> apply, taking into account the long-term sustainability, the equitable access, and rational and compatible use of the non-GSO orbital and spectrum resources consistent with the objectives of Article 44 of the Constitution and the Resolution 219 of the Plenipotentiary Conference 2022 by Radiocommunication Assembly and a future competent WRC.<br \/><strong>APT Common Proposal:<\/strong> None<\/p><p><strong>APT Common Proposals on AI10: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/AI10_ACP.zip\">Doc. WRC-23\/62(Add.27)<\/a><br \/>AI Coordinator: <br \/><\/strong>To be decided<\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3833\" aria-expanded=\"false\">AI10 (Fixed, Mobile & IMT Issues)<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3833\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-3833\" tabindex=\"0\" hidden=\"hidden\"><p><em>to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19)<\/em><\/p><p><strong>AI10: Fixed, Mobile and IMT Issues<\/strong><\/p><ul><li><strong>Issue 1: WRC-27 preliminary agenda item 2.9 contained in Res. 812(WRC-19)<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members do not support WRC-27 preliminary agenda item 2.9 to be included in the agenda for WRC-27. APT Members proposes to suppress Resolution <strong>250 (WRC\u201119)<\/strong>.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.5)<\/p><ul><li><strong>Issue 2: Allocation of 275 &#8211; 325 GHz<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members support a preliminary agenda item for WRC-31 which considers new allocations to fixed, mobile, radio astronomy services and earth exploration-satellite service (passive) in the frequency range 275-325 GHz on a co-primary basis in the Table of Frequency Allocations of the Radio Regulations.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.6)<\/p><ul><li><strong>Issue 3: Preliminary agenda item 2.12 contained in Res. 812(WRC-19)<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members are of the view that should the agenda of WRC-27 includes preliminary agenda item 2.12, it is necessary that supporting Resolution for this item includes, <em>inter alia<\/em>, protection of services to which the band is allocated as well as services in the adjacent band.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.7)<\/p><ul><li><strong>Issue 4: Wireless Power Transmission (WPT)<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members support to consider WPT issue as an agenda item for WRC-31. Depending on the workload of WRC-27, APT Members may consider to transfer this agenda item from WRC-31 to WRC-27.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62(Add.27)(Add.8)<\/p><ul><li><strong>Issue 5: IMT Issues<\/strong><\/li><\/ul><p><strong>APT View:<\/strong> <br \/>APT Members support to consider an agenda item for WRC-27 towards identification of a portion(s) of the frequency range 4.4-15.35 GHz for the terrestrial component of IMT. <br \/>APT Members agreed to further discuss the frequency bands listed in Section 6 below at WRC-23, if time permits, taking into account the priority and workload of WRC-23.<br \/><strong>APT Common Proposal:<\/strong> None<\/p><p><strong>APT Common Proposal on AI10: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/AI10_ACP.zip\">Doc. WRC-23\/62(Add.27)<\/a><\/strong><\/p><p><strong>AI Coordinator:<\/strong><br \/>Mr. Hyoung Jin Choi (Rep. of Korea)<br \/><img decoding=\"async\" class=\"alignnone  wp-image-2100\" src=\"https:\/\/aptforumbucket.s3.ap-southeast-1.amazonaws.com\/wp-content\/uploads\/2023\/10\/26015158\/HyoungJin-CHOI-DG-10-249x300.jpg\" alt=\"\" width=\"125\" height=\"150\" \/><\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3834\" aria-expanded=\"false\">AI10 (Science Issues)<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3834\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-3834\" tabindex=\"0\" hidden=\"hidden\"><p><em>to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19)<\/em><\/p><h5>AI10: Science Issues<\/h5><ul><li><p><strong>Issue 1:<\/strong> <strong>WRC-27 preliminary agenda item 2.5 \u2013 compatibility of satellite services with passive services in the frequency bands 71-76 GHz and 81-86 GHz<\/strong><\/p><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members do not support the inclusion of WRC-27 preliminary agenda item 2.5 in the agenda of WRC-27. APT Members support this item be included in the preliminary agenda of WRC-31.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62 (Add.27)(Add.11)<\/p><ul><li><p><strong>Issue 2: WRC-27 preliminary agenda item 2.11 \u2013 a new Earth exploration-satellite service (Earth-to-space) allocation in the frequency band 22.55-23.15 GHz<\/strong><\/p><\/li><\/ul><p><strong>APT View:<\/strong> <br \/>APT Members do not support the inclusion of WRC-27 preliminary agenda item 2.11 in the agenda of WRC-27. APT Members support this item be included in the preliminary agenda of WRC-31.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62 (Add.27)(Add.12)<\/p><ul><li><p><strong>Issue 3:<\/strong> Technical and regulatory measures to ensure coexistence between space borne SAR and RDS in the frequency band 9.2-10.4GHz<\/p><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members support an item on technical and regulatory measures to ensure coexistence between spaceborne SAR and RDS in the frequency band 9.2-10.4GHz be included in the agenda of WRC-27.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62 (Add.27)(Add.13)<\/p><ul><li><p><strong>Issue 4:<\/strong> <strong>WRC-27 preliminary agenda item 2.6<\/strong><\/p><\/li><\/ul><p><strong>APT View:<\/strong><br \/>&#8211; APT members are of the view that should WRC-23 agreed to include this item in the agenda of WRC-27, identification of frequency bands and necessary protection to be provided to the incumbent services need to be well studied in line with the preliminary agenda item 2.6 of Resolution <strong>812 (WRC-19)<\/strong>.<br \/>&#8211; APT Members are also of the view that \u00a0\u00a0the supporting Resolution for this new agenda item includes, inter alia, to ensure the protection of services to which the band is allocated as well as services in adjacent bands.<br \/>&#8211; The result of ITU-R studies with respect to the definition of space weather and designation of the meteorological aids service for space weather sensors are proposed to be included in modified Resolution <strong>657 (Rev. WRC-19)<\/strong> related to a new space weather agenda item for WRC-27.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62 (Add.27)(Add.14)<\/p><p><strong>APT Common Proposal on AI10: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/AI10_ACP.zip\">Doc. WRC-23\/62(Add.27)<\/a><\/strong><\/p><p><strong>AI Coordinator:<\/strong> <br \/>Mr. Takahiro Yokoyama (Japan)<br \/><strong>Contact:<\/strong> t.yokoyama[at]joy.ocn.ne.jp<br \/><img decoding=\"async\" class=\"alignnone wp-image-1941\" src=\"https:\/\/aptforumbucket.s3.ap-southeast-1.amazonaws.com\/wp-content\/uploads\/2023\/10\/23040815\/Takahiro_yokoyama-278x300.jpg\" alt=\"\" width=\"128\" height=\"138\" \/><\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"5\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-3835\" aria-expanded=\"false\">AI10 (Aeronautical and Maritime Issues)<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-3835\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-3835\" tabindex=\"0\" hidden=\"hidden\"><p><em>to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19)<\/em><\/p><p><strong>AI10: Radiolocation, Aeronautical and Maritime Issues<\/strong><\/p><ul><li><strong>Issue 1: WRC-27 Preliminary Agenda Item 2.1 contained in Res. 812(WRC-19)<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members are of the view that the volume of the agenda of a WRC and the workload of the preparatory work need to be kept at a manageable level. APT members support the inclusion of WRC-27 preliminary agenda item 2.1 in the agenda of WRC-27 or WRC-31, with a preference for WRC-27.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62 (Add.27)(Add.9)<\/p><ul><li><strong>Issue 2: WRC-27 Preliminary Agenda Item 2.10 contained in Res. 812(WRC-19)<\/strong><\/li><\/ul><p><strong>APT View:<\/strong><br \/>APT Members support the modifications to the title of WRC-27 preliminary agenda item 2.10 and to its supporting Resolution <strong>363 (WRC-19)<\/strong>, for inclusion in the agenda of WRC-27.<br \/><strong>APT Common Proposal:<\/strong> Doc. WRC-23\/62 (Add.27)(Add.10)<\/p><p><strong>APT Common Proposal on AI10: <a href=\"https:\/\/www.apt.int\/sites\/default\/files\/Upload-files\/APG-23\/AI10_ACP.zip\">Doc. WRC-23\/62(Add.27)<\/a><\/strong><\/p><p><strong>AI Coordinator:<\/strong> <br \/>Mr. Stuard Shepard (Australia)<br \/><strong>Contact:<\/strong><\/p><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9b0b335 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no\" data-id=\"9b0b335\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-80c3ca6\" data-id=\"80c3ca6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div 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Topics&nbsp;&middot;&nbsp;0 Posts<\/small><small class=\"forum-lastpost-small\"><small class=\"no-topics\">No topics yet!<\/small><\/small><\/div><div class=\"forum-poster\"><small class=\"no-topics\">No topics yet!<\/small><\/div><\/div><\/div><div class=\"title-element\" id=\"forum-category-137\">Res 84<span class=\"last-post-headline\">Last post<\/span><\/div><div class=\"content-container\"><div class=\"content-element forum\" id=\"forum-55\"><div class=\"forum-status unread\"><i class=\"fas fa-comments\"><\/i><\/div><div class=\"forum-name\"><a class=\"forum-title\" href=\"https:\/\/apt4pp.apt.int\/index.php\/forum\/forum\/res-84\/\">Res 84<\/a><small class=\"forum-stats\">2 Topics&nbsp;&middot;&nbsp;2 Posts<\/small><small class=\"forum-lastpost-small\">Last post:&nbsp;<a href=\"https:\/\/apt4pp.apt.int\/index.php\/forum\/topic\/resolution-84-update\/#postid-675\">Resolution 84 Update<\/a>&nbsp;&middot;&nbsp;<a href=\"https:\/\/apt4pp.apt.int\/index.php\/forum\/topic\/resolution-84-update\/#postid-675\">November 21, 2025, 12:01 PM<\/a>&nbsp;&middot;&nbsp;<a class=\"profile-link highlight-default\" href=\"#\">Sandeep Kumar Gupta<\/a><\/small><\/div><div class=\"forum-poster\"><div class=\"forum-poster-avatar\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/apt4pp.apt.int\/wp-content\/plugins\/ultimate-member\/assets\/img\/default_avatar.jpg\" class=\"gravatar avatar avatar-40 um-avatar um-avatar-default\" width=\"40\" height=\"40\" alt=\"Sandeep Kumar Gupta\" data-default=\"https:\/\/apt4pp.apt.int\/wp-content\/plugins\/ultimate-member\/assets\/img\/default_avatar.jpg\" onerror=\"if ( ! this.getAttribute('data-load-error') ){ this.setAttribute('data-load-error', '1');this.setAttribute('src', this.getAttribute('data-default'));}\" loading=\"lazy\" \/><\/div><div class=\"forum-poster-summary\"><a href=\"https:\/\/apt4pp.apt.int\/index.php\/forum\/topic\/resolution-84-update\/#postid-675\">Resolution 84 Update<\/a><br><small><a href=\"https:\/\/apt4pp.apt.int\/index.php\/forum\/topic\/resolution-84-update\/#postid-675\">November 21, 2025, 12:01 PM<\/a><span>&nbsp;&middot;&nbsp;<\/span><a class=\"profile-link highlight-default\" href=\"#\">Sandeep Kumar Gupta<\/a><\/small><\/div><\/div><\/div><\/div><div class=\"title-element\" id=\"forum-category-138\">Res 89<span class=\"last-post-headline\">Last post<\/span><\/div><div class=\"content-container\"><div class=\"content-element forum\" id=\"forum-56\"><div class=\"forum-status unread\"><i class=\"fas fa-comments\"><\/i><\/div><div class=\"forum-name\"><a class=\"forum-title\" href=\"https:\/\/apt4pp.apt.int\/index.php\/forum\/forum\/res-89\/\">Res 89<\/a><small class=\"forum-stats\">1 Topic&nbsp;&middot;&nbsp;1 Post<\/small><small class=\"forum-lastpost-small\">Last post:&nbsp;<a 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world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19) AI10: General Issues Agenda for WRC-27 and preliminary agenda for WRC-31 APT View: Doc. APG23-6\/OUT-55APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.1) Modification to Resolution 804(Re.WRC-19) APT View: Doc. APG23-6\/OUT-55APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.2) Elements for inclusion in Terms of Reference of the WRC-23 working group responsible for WRC-23 agenda item 10 APT View: Doc. APG23-6\/OUT-55APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.3) Input parameters for ITU-R studies to be acrried out by various ITU-R study groups\/working parties for relevant WRCs agenda items APT View: Doc. APG23-6\/OUT-55APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.4) APT Common Proposals on AI10: Doc. WRC-23\/62(Add.27) AI Coordinator: Dr. Mohammad Taghi Shafiee (Islamic Republic of Iran)Contact: shafiee[at]cra.ir AI10 (Satellite Issues) to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19) AI10: Satellite Issues Issue 1: WRC-27 preliminary agenda 2.3 APT View:APT Members do not support the WRC-27 preliminary agenda item 2.3 be included in the agenda of WRC-27. APT Members support this item be included in the preliminary agenda of WRC-31. APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.15) Issue 2: preliminary agenda 2.4 APT View: APT Members support to introduce power flux-density (pfd) and equivalent isotropically radiated power (e.i.r.p) limits in Article 21 of the Radio Regulations for satellite services (FSS, MSS, and BSS) to protect the fixed and mobile service, in the frequency bands 71-76 GHz and 81-86 GHz. APT Members propose to modify the Resolution 775 (WRC-19). If the Resolution is revised, the protection of mobile service should also be taken into account. APT Members do not support the WRC-27 preliminary agenda item 2.4 be included in the agenda of WRC-27. APT Members support this item be included in the preliminary agenda of WRC-31. APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.16) Issue 3: preliminary agenda 2.13 APT View: APT Members do not support the inclusion of WRC-27 preliminary agenda item 2.13 in the agenda for WRC-27. APT Members support the suppression of Resolution 248 (WRC-19). APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.17) Issue 4: preliminary agenda 2.7 APT View:APT Members do not support the inclusion of this preliminary item 2.7 in the agenda of WRC-27 and support the suppression of the Resolution 178 (WRC-19). APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.18) Issue 5: preliminary agenda 2.8 APT View:APT Members do not support the inclusion of WRC-27 preliminary agenda item 2.8 in the agenda of WRC-27 and support the suppression of Resolution 249 (WRC-19). APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.19) Issue 6: preliminary agenda 2.2 APT View: NoneAPT Common Proposal: None Issue 7: New FSS\/BSS allocations (Region 3) in 17.3-17.7 GHz APT View:APT Members support to include this issue in the agenda of WRC-27. APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.20) Issue 8: non-GSO FSS in 51.4-52.4 GHz APT View: NoneAPT Common Proposal: None Issue 9: MSS allocations below 4 GHz APT View: NoneAPT Common Proposal: None Issue 10: Review of sharing conditions in the 13.75-14 GHz band APT View:APT Members support to update the FSS earth station limitations under RR No. 5.503 by reviewing the usage and sharing conditions of the frequency band 13.75-14 GHz that will reduce the mismatch between the usage of the uplink and downlink FSS bands within the 10-15 GHz frequency range. APT Members note that there has been no change to protection requirements for the radiolocation service and thus do not support the relaxation of the limits set out in RR No. 5.502 unless the same level of protection as afforded to the radiolocation in the current RR No. 5.502 is ensured. On that condition, APT Members supports the review the usage and sharing conditions of the band 13.75-14 GHz to enable efficient use of the band by uplink FSS earth stations with smaller antenna sizes for consideration at WRC-31.APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.21) Issue 11: non-GSO sharing with GSO in 11\/14 and 20\/30GHz APT View: NoneAPT Common Proposal: None Issue 12: Regulatory framework for non-GSO FSS to protect GSO FSS\/BSS APT View:APT Members are of the view that it is necessary to conduct studies to ensure the compatibility between non-GSO FSS and MSS systems in the frequency bands which Resolution 35 (WRC-19) apply, taking into account the long-term sustainability, the equitable access, and rational and compatible use of the non-GSO orbital and spectrum resources consistent with the objectives of Article 44 of the Constitution and the Resolution 219 of the Plenipotentiary Conference 2022 by Radiocommunication Assembly and a future competent WRC.APT Common Proposal: None APT Common Proposals on AI10: Doc. WRC-23\/62(Add.27)AI Coordinator: To be decided AI10 (Fixed, Mobile &#038; IMT Issues) to recommend to the ITU Council items for inclusion in the agenda for the next world radiocommunication conference, and items for the preliminary agenda of future conferences, in accordance with Article 7 of the ITU Convention and Resolution 804 (Rev.WRC-19) AI10: Fixed, Mobile and IMT Issues Issue 1: WRC-27 preliminary agenda item 2.9 contained in Res. 812(WRC-19) APT View:APT Members do not support WRC-27 preliminary agenda item 2.9 to be included in the agenda for WRC-27. APT Members proposes to suppress Resolution 250 (WRC\u201119).APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.5) Issue 2: Allocation of 275 &#8211; 325 GHz APT View:APT Members support a preliminary agenda item for WRC-31 which considers new allocations to fixed, mobile, radio astronomy services and earth exploration-satellite service (passive) in the frequency range 275-325 GHz on a co-primary basis in the Table of Frequency Allocations of the Radio Regulations.APT Common Proposal: Doc. WRC-23\/62(Add.27)(Add.6) Issue 3: Preliminary agenda item 2.12 contained in Res. 812(WRC-19) APT View:APT Members are of the view that should the agenda of WRC-27 includes preliminary agenda item<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":""},"class_list":["post-1157","page","type-page","status-publish","hentry"],"featured_image_src":null,"_links":{"self":[{"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/pages\/1157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/comments?post=1157"}],"version-history":[{"count":102,"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/pages\/1157\/revisions"}],"predecessor-version":[{"id":3413,"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/pages\/1157\/revisions\/3413"}],"wp:attachment":[{"href":"https:\/\/apt4pp.apt.int\/index.php\/wp-json\/wp\/v2\/media?parent=1157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}