{"id":6867,"date":"2013-06-10T14:15:08","date_gmt":"2013-06-10T18:15:08","guid":{"rendered":"http:\/\/www.engineeringradio.us\/blog\/?p=6867"},"modified":"2023-04-08T16:59:17","modified_gmt":"2023-04-08T20:59:17","slug":"the-shively-branched-combiner","status":"publish","type":"post","link":"https:\/\/www.engineeringradio.us\/blog\/2013\/06\/the-shively-branched-combiner\/","title":{"rendered":"The Shively Branched combiner"},"content":{"rendered":"\n<p>Did some work a while ago at a transmitter site that had three transmitters combined into one antenna.\u00a0 The site uses a Shively branched combiner:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"433\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner-650x433.jpg\" alt=\"Shively Branched combiner\" class=\"wp-image-6928\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner-650x433.jpg 650w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner-150x100.jpg 150w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner-300x200.jpg 300w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner-400x266.jpg 400w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-shively-combiner.jpg 1200w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><figcaption class=\"wp-element-caption\">Shively Branched combiner<\/figcaption><\/figure>\n\n\n\n<p>Each transmitter can be tested into a separate 20 KW dummy load:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"433\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches-650x433.jpg\" alt=\"Three inch coax switches\" class=\"wp-image-6929\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches-650x433.jpg 650w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches-150x100.jpg 150w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches-300x200.jpg 300w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches-400x266.jpg 400w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXZY-coax-switches.jpg 1200w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><figcaption class=\"wp-element-caption\">Three inch coax switches<\/figcaption><\/figure>\n\n\n\n<p>Transmitter themselves are Nautel NV15s:<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone\"><a href=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"433\" src=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters-650x433.jpg\" alt=\"Nautel NV20 transmiters\" class=\"wp-image-6930\" srcset=\"https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters-650x433.jpg 650w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters-150x100.jpg 150w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters-300x200.jpg 300w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters-400x266.jpg 400w, https:\/\/www.engineeringradio.us\/blog\/wp-content\/uploads\/2013\/06\/WXYZ-transmitters.jpg 1200w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><figcaption class=\"wp-element-caption\">Nautel NV15 transmiters<\/figcaption><\/figure>\n\n\n\n<p>Except for the one on end, which is an older BE FM20A.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did some work a while ago at a transmitter site that had three transmitters combined into one antenna.\u00a0 The site uses a Shively branched combiner: Each transmitter can be tested into a separate 20 KW dummy load: Transmitter themselves are Nautel NV15s: Except for the one on end, which is an older BE FM20A.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[82,215,15],"class_list":["post-6867","post","type-post","status-publish","format-standard","hentry","category-general","tag-fm","tag-fm-transmitter-site","tag-fm-transmitters"],"_links":{"self":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/6867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/comments?post=6867"}],"version-history":[{"count":3,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/6867\/revisions"}],"predecessor-version":[{"id":11397,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/posts\/6867\/revisions\/11397"}],"wp:attachment":[{"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/media?parent=6867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/categories?post=6867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.engineeringradio.us\/blog\/wp-json\/wp\/v2\/tags?post=6867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}