{"id":127,"date":"2026-04-08T19:23:27","date_gmt":"2026-04-09T01:23:27","guid":{"rendered":"http:\/\/aa6kj.hopto.org\/wp\/?p=127"},"modified":"2026-04-23T08:56:41","modified_gmt":"2026-04-23T14:56:41","slug":"my-bog-antenna-finally-works","status":"publish","type":"post","link":"http:\/\/aa6kj.hopto.org\/wp\/?p=127","title":{"rendered":"My BOG antenna finally works!"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The KD9SV reversible beverage on ground (RBOG) now finally works! Tested on 160 m, 80 m, and 60 m towards EU. It beats my inverted L on both 160 and 80 m bands. The antenna also now shows proper F\/B (switching between forward and reverse; 10-12 dB).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The antenna is 300&#8242; long made out of non-twisted pair cable (18 AWG) laid along the ground. Both ends have 4&#8242; ground rod + three 40&#8242; radials. The feed points have mix 31 ferrite rings with 9 rounds of the RG6 coax wrapped around them (choke).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is a quick test on 80 m FT8 (evening; band open to EU):<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"792\" height=\"612\" src=\"http:\/\/aa6kj.hopto.org\/wp\/wp-content\/uploads\/2026\/04\/80m-new.jpg\" alt=\"\" class=\"wp-image-129\" srcset=\"http:\/\/aa6kj.hopto.org\/wp\/wp-content\/uploads\/2026\/04\/80m-new.jpg 792w, http:\/\/aa6kj.hopto.org\/wp\/wp-content\/uploads\/2026\/04\/80m-new-300x232.jpg 300w, http:\/\/aa6kj.hopto.org\/wp\/wp-content\/uploads\/2026\/04\/80m-new-768x593.jpg 768w, http:\/\/aa6kj.hopto.org\/wp\/wp-content\/uploads\/2026\/04\/80m-new-200x155.jpg 200w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Some stations that RBOG did not hear (pointed towards EU) were located in south America. The current RBOG is oriented NE\/SW and I need to add another one for NW\/SE. For explanation of the graph, see the earlier blog post.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The KD9SV reversible beverage on ground (RBOG) now finally works! Tested on 160 m, 80 m, and 60 m towards EU. It beats my inverted L on both 160 and 80 m bands. The antenna also now shows proper F\/B (switching between forward and reverse; 10-12 dB). The antenna is 300&#8242; long made out of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-127","post","type-post","status-publish","format-standard","hentry","category-ham_radio"],"_links":{"self":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts\/127","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=127"}],"version-history":[{"count":8,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts\/127\/revisions"}],"predecessor-version":[{"id":157,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=\/wp\/v2\/posts\/127\/revisions\/157"}],"wp:attachment":[{"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=127"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=127"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/aa6kj.hopto.org\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}