{"id":754005,"date":"2023-04-23T07:44:23","date_gmt":"2023-04-23T11:44:23","guid":{"rendered":"https:\/\/spaceweekly.com\/?p=754005"},"modified":"2023-04-23T07:44:23","modified_gmt":"2023-04-23T11:44:23","slug":"wrc23-23cm-1240-1300-mhz-amateur-rnss-coexistence","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=754005","title":{"rendered":"WRC23: 23cm (1240-1300 MHz) Amateur\/RNSS Coexistence"},"content":{"rendered":"<div class=\"css-1dbjc4n r-xoduu5\">\n<p><a href=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-wrc-23-ai9.1b-draft-recommendation-itu-r.jpg\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" loading=\"lazy\" data-attachment-id=\"35351\" data-permalink=\"https:\/\/amsat-uk.org\/2023\/04\/23\/wrc23-23cm-1240-1300-mhz-amateur-rnss-coexistence\/2023-04-wrc-23-ai9-1b-draft-recommendation-itu-r\/\" data-orig-file=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-wrc-23-ai9.1b-draft-recommendation-itu-r.jpg\" data-orig-size=\"1870,1040\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2023-04 WRC-23 AI9.1b Draft Recommendation ITU-R\" data-image-description=\"&lt;p&gt;2023-04 WRC-23 AI9.1b Draft Recommendation ITU-R&lt;\/p&gt;&#010;\" data-image-caption=\"\" data-medium-file=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-wrc-23-ai9.1b-draft-recommendation-itu-r.jpg?w=300\" data-large-file=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-wrc-23-ai9.1b-draft-recommendation-itu-r.jpg?w=593\" class=\"aligncenter wp-image-35351\" src=\"https:\/\/spaceweekly.com\/wp-content\/uploads\/2023\/04\/2023-04-wrc-23-ai9.1b-draft-recommendation-itu-r.jpg\" alt=\"2023-04 WRC-23 AI9.1b Draft Recommendation ITU-R\" width=\"640\" height=\"356\" \/><\/a>ITU-R WRC-23 Agenda Item 9.1b: Measures to be applied in the frequency band 1240-1300 MHz to ensure the protection of the radionavigation-satellite service (RNSS) in accordance with Resolution-774.<\/p>\n<p>This presentation on 23cm Amateur\/RNSS Coexistence was given by the IARU Region 1 Spectrum Regulation and Liaison Committee (SRLC) Chair Barry Lewis G4SJH to the Martlesham Microwave Round Table on April 16, 2023.<\/p>\n<p style=\"text-align: center\">Watch 23cm Amateur\/RNSS Coexistence \u2013 Barry Lewis G4SJH\n<\/p>\n<p>The French National Frequency Agency (ANFR) has posted the following on their website titled \u2013 <strong>Protection of Galileo against Amateur use<\/strong>.<br \/>\n<em>\u201cSome bands, in red in the figure, are the subject of heated debate because their use by amateur stations is likely to have a significant impact on Galileo\u201d<\/em>, see<br \/>\n<a href=\"https:\/\/www-anfr-fr.translate.goog\/liste-actualites\/actualite\/saga-cmr-23-point-91b-la-protection-de-galileo-vis-a-vis-des-usages-amateur?_x_tr_sl=auto&amp;_x_tr_tl=en&amp;_x_tr_hl=en-US&amp;_x_tr_pto=wapp\" target=\"_blank\" rel=\"noopener\">https:\/\/www-anfr-fr.translate.goog\/liste-actualites\/actualite\/saga-cmr-23-point-91b-la-protection-de-galileo-vis-a-vis-des-usages-amateur?_x_tr_sl=auto&amp;_x_tr_tl=en&amp;_x_tr_hl=en-US&amp;_x_tr_pto=wapp<\/a><\/p>\n<div data-shortcode=\"caption\" id=\"attachment_35356\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-anfr-23cm-1240-1300-mhz-band.jpg\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" loading=\"lazy\" aria-describedby=\"caption-attachment-35356\" data-attachment-id=\"35356\" data-permalink=\"https:\/\/amsat-uk.org\/2023\/04\/23\/wrc23-23cm-1240-1300-mhz-amateur-rnss-coexistence\/2023-04-anfr-23cm-1240-1300-mhz-band\/\" data-orig-file=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-anfr-23cm-1240-1300-mhz-band.jpg\" data-orig-size=\"1943,1159\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2023-04 ANFR 23cm 1240-1300 MHz Band\" data-image-description=\"&lt;p&gt;2023-04 ANFR 23cm 1240-1300 MHz Band&lt;\/p&gt;&#010;\" data-image-caption=\"&lt;p&gt;ANFR 23cm 1240-1300 MHz Band&lt;\/p&gt;&#010;\" data-medium-file=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-anfr-23cm-1240-1300-mhz-band.jpg?w=300\" data-large-file=\"https:\/\/ukamsat.files.wordpress.com\/2023\/04\/2023-04-anfr-23cm-1240-1300-mhz-band.jpg?w=593\" class=\"wp-image-35356\" src=\"https:\/\/spaceweekly.com\/wp-content\/uploads\/2023\/04\/2023-04-anfr-23cm-1240-1300-mhz-band.jpg\" alt=\"ANFR 23cm 1240-1300 MHz Band\" width=\"640\" height=\"382\" \/><\/a><\/p>\n<p id=\"caption-attachment-35356\" class=\"wp-caption-text\">ANFR 23cm 1240-1300 MHz Band<\/p>\n<\/div>\n<\/div>\n<p>&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\n Click here for original story, <a href=\"https:\/\/amsat-uk.org\/2023\/04\/23\/wrc23-23cm-1240-1300-mhz-amateur-rnss-coexistence\/\" target=\"_blank\" rel=\"nofollow noopener\">WRC23: 23cm (1240-1300 MHz) Amateur\/RNSS Coexistence<\/a>&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\nSource: Amsat UK&#013;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ITU-R WRC-23 Agenda Item 9.1b: Measures to be applied in the frequency band 1240-1300 MHz to ensure the protection of the radionavigation-satellite service (RNSS) in accordance with Resolution-774. This presentation&hellip; <\/p>\n","protected":false},"author":1,"featured_media":615444,"comment_status":"false","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-754005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-AMSAT"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/754005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=754005"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/754005\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=754005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=754005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=754005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}