{"id":175,"date":"2025-01-23T18:16:46","date_gmt":"2025-01-23T18:16:46","guid":{"rendered":"https:\/\/gb3yt.co.uk\/?page_id=175"},"modified":"2025-09-12T18:21:32","modified_gmt":"2025-09-12T18:21:32","slug":"gb3yt-queensbury-technical","status":"publish","type":"page","link":"https:\/\/gb3yt.co.uk\/?page_id=175","title":{"rendered":"Queensbury Site Technical"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>Technical Overview<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Location: Queensbury Bradford W. Yorkshire<\/p>\n\n\n\n<p>NGR: SE092307 Locator: IO93BS Height: 360M ASL<\/p>\n\n\n\n<p>Receive: 1249 MHz Transmit: 1316 MHz<\/p>\n\n\n\n<p>Rx Antenna: Alford Slot at 23M AGL<\/p>\n\n\n\n<p>Tx Antenna: Alford Slot at 20M AGL<\/p>\n\n\n\n<p>Polarization: Horizontal, Coverage: Omni directional<\/p>\n\n\n\n<p>Tx Power: 14dBW EIRP Sound Sub-Carrier: 6MHz<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"143\" height=\"350\" src=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/01\/yt-mast.jpg\" alt=\"\" class=\"wp-image-183\" srcset=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/01\/yt-mast.jpg 143w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/01\/yt-mast-123x300.jpg 123w\" sizes=\"auto, (max-width: 143px) 100vw, 143px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Controlling logic:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>On receipt of a valid video signal the repeater enters &#8220;Repeat&#8221; mode.<\/li>\n\n\n\n<li>At the end of an over the logic sends a morse code &#8220;K&#8221; on the sound subcarrier and displays a flashing &#8220;K&#8221; in vision as an invitation to transmit.<\/li>\n\n\n\n<li>If a valid video signal is not detected within 30 seconds the repeater reverts to beacon mode.<\/li>\n\n\n\n<li>When not in use the repeater is in &#8220;beacon mode&#8221; where it radiates a series of teletext-style text and graphics pages &#8211; examples of which can be seen&nbsp;<a href=\"https:\/\/web.archive.org\/web\/20070516210355\/http:\/\/www.yorkshireatv.org\/yt\/beacons.shtml\">HERE<\/a>. The repeater callsign is sent in morse on the sound subcarrier every five minutes while in beacon mode.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"429\" src=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/01\/southeast.jpg\" alt=\"\" class=\"wp-image-204\" srcset=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/01\/southeast.jpg 596w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/01\/southeast-300x216.jpg 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><figcaption class=\"wp-element-caption\"><strong>On-site camera looking South-East in 2005 as seen at M0DTS<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><strong>CTCSS:<\/strong><\/h3>\n\n\n\n<p>A low-level CTCSS tone of 82.5Hz (RSGB tone &#8220;D&#8221;) is added to the through audio when the repeater is in &#8220;repeat mode&#8221;. This can be used to control an &#8220;activity alarm&#8221; if you don&#8217;t want to miss that rare DX station! For details of suitable circuits contact Allan G3TQA.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Screen shots<\/strong><\/h3>\n\n\n\n<p>These were found by Ray M0MLJ and placed on WhatsApp by Gary and Ken<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1-1024x768.jpg\" alt=\"\" class=\"wp-image-352\" srcset=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1-1024x768.jpg 1024w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1-300x225.jpg 300w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1-768x576.jpg 768w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1-1536x1152.jpg 1536w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1-660x495.jpg 660w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-1.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3-1024x768.jpg\" alt=\"\" class=\"wp-image-354\" srcset=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3-1024x768.jpg 1024w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3-300x225.jpg 300w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3-768x576.jpg 768w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3-1536x1152.jpg 1536w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3-660x495.jpg 660w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-3.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2-1024x768.jpg\" alt=\"\" class=\"wp-image-355\" srcset=\"https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2-1024x768.jpg 1024w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2-300x225.jpg 300w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2-768x576.jpg 768w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2-1536x1152.jpg 1536w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2-660x495.jpg 660w, https:\/\/gb3yt.co.uk\/wp-content\/uploads\/2025\/09\/Queensbury-ID-2.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Technical Overview Location: Queensbury Bradford W. Yorkshire NGR: SE092307 Locator: IO93BS Height: 360M ASL Receive: 1249 MHz Transmit: 1316 MHz Rx Antenna: Alford Slot at 23M AGL Tx Antenna: Alford Slot at 20M AGL Polarization: Horizontal, Coverage: Omni directional Tx Power: 14dBW EIRP Sound Sub-Carrier: 6MHz Controlling logic: CTCSS: A low-level CTCSS tone of 82.5Hz\u2026 <span class=\"read-more\"><a href=\"https:\/\/gb3yt.co.uk\/?page_id=175\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-175","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=175"}],"version-history":[{"count":12,"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/175\/revisions"}],"predecessor-version":[{"id":360,"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/175\/revisions\/360"}],"wp:attachment":[{"href":"https:\/\/gb3yt.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}