{"id":2447,"date":"2016-08-12T19:26:37","date_gmt":"2016-08-12T19:26:37","guid":{"rendered":"http:\/\/www.tsgarc.uk\/?p=2447"},"modified":"2016-08-12T19:27:34","modified_gmt":"2016-08-12T19:27:34","slug":"coax-notch-filters-by-g0gdu","status":"publish","type":"post","link":"https:\/\/www.tsgarc.uk\/?p=2447","title":{"rendered":"Coax notch filters by G0GDU"},"content":{"rendered":"<p>A problem we have experienced on several field days is that transmitted RF from a transmitter overpowers a nearby\u00a0receiver despite it being on a different HF band or even on a more distant part of the spectrum.<\/p>\n<p>Band pass filters are the usual approach to solving such an issue. \u00a0However, another approach is to place a wide notch filter over the entire interfering transmission. \u00a0This is the approach described by John Crowder,\u00a0G0GDU in <a href=\"http:\/\/www.tsgarc.uk\/wp-content\/uploads\/2016\/08\/coax_notch_filters.pdf\">this<\/a>\u00a0article passed to me by Rex G4RAE last Wednesday.<\/p>\n<p><em>Andrew<br \/>\nG0RVM<\/em><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>A problem we have experienced on several field days is that transmitted RF from a transmitter overpowers a nearby\u00a0receiver despite it being on a different HF band or even on a more distant part of the spectrum. Band pass filters &hellip; <a href=\"https:\/\/www.tsgarc.uk\/?p=2447\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on wp_trim_excerpt --><!-- AddThis Share Buttons generic via filter on wp_trim_excerpt --><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5],"tags":[213,17,27],"class_list":["post-2447","post","type-post","status-publish","format-standard","hentry","category-news","tag-filters","tag-g0rvm","tag-tsgarc"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=\/wp\/v2\/posts\/2447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2447"}],"version-history":[{"count":3,"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=\/wp\/v2\/posts\/2447\/revisions"}],"predecessor-version":[{"id":2450,"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=\/wp\/v2\/posts\/2447\/revisions\/2450"}],"wp:attachment":[{"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tsgarc.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}