{"id":23283,"date":"2017-01-09T16:26:59","date_gmt":"2017-01-09T20:26:59","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=23283"},"modified":"2017-01-09T16:26:59","modified_gmt":"2017-01-09T20:26:59","slug":"klaus-demonstrates-his-folding-mag-loop-antenna","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2017\/01\/klaus-demonstrates-his-folding-mag-loop-antenna\/","title":{"rendered":"Klaus demonstrates his folding mag loop antenna"},"content":{"rendered":"<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-23108\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg 800w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-300x225.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-768x576.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-624x468.jpg 624w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>Many thanks to <em>SWLing Post<\/em> contributor, Klaus Boecker, who follows up after<a href=\"http:\/\/swling.com\/blog\/2017\/01\/klaus-magnetic-loop-antenna-in-urban-camouflage\/\"> our recent post showcasing his homebrew magnetic loop antenna<\/a>.<\/p>\n<p>One of the cool things about Klaus&#8217; antenna is that he can easily position it vertically (see above), or fold it over into a horizontal position (see below).<\/p>\n<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-23113\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-2.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-2.jpg 800w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-2-300x225.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-2-768x576.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna-2-624x468.jpg 624w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>While one would think Klaus would get optimal performance from his loop while vertically-oriented, it&#8217;s not always the case. Klaus has discovered that on <em>some<\/em> frequencies, placing\u00a0the antenna in the horizontal position lowers the noise level and\u00a0increases the target signal&#8217;s strength.<\/p>\n<p>To demonstrate, Klaus made the following short video for us:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/pP0e7wnAjEY?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/youtu.be\/pP0e7wnAjEY\" target=\"_blank\">Click here to view on YouTube.<\/a><\/p>\n<p>That&#8217;s a pretty amazing difference, Klaus! I&#8217;m no antenna expert, but perhaps what&#8217;s happening is you&#8217;re eliminating noise that is polarized in the plane of your antenna, thus the signal &#8220;pops out&#8221; much better when oriented horizontally?<\/p>\n<p>I&#8217;m curious if any readers can explain this. \u00a0 I know very little about loop antennas&#8211;especially small loops since so much of their surroundings affect their performance.<\/p>\n<p>Thanks for sharing, Klaus!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Klaus Boecker, who follows up after our recent post showcasing his homebrew magnetic loop antenna. One of the cool things about Klaus&#8217; antenna is that he can easily position it vertically (see above), or fold it over into a horizontal position (see below). While one would think Klaus would [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3607,545,3,43,304],"tags":[5772,4357,3417,5773],"class_list":["post-23283","post","type-post","status-publish","format-standard","hentry","category-antennas","category-ham-radio","category-news","category-shortwave-radio","category-videos","tag-klaus-boecker","tag-mag-loop-antennas","tag-magnetic-loop-antennas","tag-urban-shortwave-antennas"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-63x","jetpack-related-posts":[{"id":23107,"url":"https:\/\/swling.com\/blog\/2017\/01\/klaus-magnetic-loop-antenna-in-urban-camouflage\/","url_meta":{"origin":23283,"position":0},"title":"Klaus&#8217; magnetic loop antenna in &#8220;urban camouflage&#8221;","author":"Thomas","date":"January 2, 2017","format":false,"excerpt":"Many thanks to SWLing Post reader, Klaus Boecker, who originally posted these images of his homebrew magnetic loop antenna on the\u00a0Shortwave Radio Station Listening Facebook page. I love the design of his mag loop which easily allows for a vertical or horizontal orientation. \u00a0Kaus has discovered, in certain cases, places\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=700%2C400 2x"},"classes":[]},{"id":38451,"url":"https:\/\/swling.com\/blog\/2019\/07\/using-amplified-loop-antennas-with-portable-radios\/","url_meta":{"origin":23283,"position":1},"title":"Using amplified loop antennas with portable radios?","author":"Thomas","date":"July 11, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Marty, who writes: I have a question about loop antennas; specifically which type is \"better,\" passive magnetic loops or active electric loops? I know, \"It depends.\"--? I live in a ground-floor apartment, with a small porch, lots of RFI and restrictions against visible antennas.\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Klaus-Mag-Loop-Antenna.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":33941,"url":"https:\/\/swling.com\/blog\/2018\/09\/shortwave-antenna-options-for-apartments-flats-and-condos\/","url_meta":{"origin":23283,"position":2},"title":"Shortwave antenna options for apartments, flats and condos","author":"Thomas","date":"September 4, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Tim, who writes: I am a regular subscriber here, but until now have not formally commented. I've been an avid SWL since 1977. I am intrigued by your in-depth article on understanding and setting up SDR's. But, what about an antenna? How well will\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"Photo by jay blacks on Unsplash","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/apartment-urban-hotel.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/apartment-urban-hotel.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/apartment-urban-hotel.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/09\/apartment-urban-hotel.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":50098,"url":"https:\/\/swling.com\/blog\/2021\/08\/wire-antennas-vs-mag-loop-antennas\/","url_meta":{"origin":23283,"position":3},"title":"Wire antennas vs. mag loop antennas","author":"Thomas","date":"August 29, 2021","format":false,"excerpt":"In the past few weeks, I've gotten a lot of questions from readers who are trying to decide if they should install a magnetic loop antenna or a simple wire antenna at their home. Obviously, most of the questions come from shortwave radio listeners, but some have come from ham\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/06\/Elecraft-KX3.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/06\/Elecraft-KX3.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/06\/Elecraft-KX3.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":39708,"url":"https:\/\/swling.com\/blog\/2019\/09\/john-reviews-the-mla-30-mag-loop-antenna\/","url_meta":{"origin":23283,"position":4},"title":"John reviews the MLA-30 mag loop antenna","author":"Thomas","date":"September 17, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Paul, who notes that John\u2019s Tech Blog recently posted a review\/preview of the $47 MLA-30 loop antenna. Click here to read. Click here to view the MLA-30 on eBay.","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-26-at-7.52.54-AM.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-26-at-7.52.54-AM.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/06\/Screen-Shot-2019-06-26-at-7.52.54-AM.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":30672,"url":"https:\/\/swling.com\/blog\/2018\/02\/indoor-shortwave-antenna-options-to-pair-with-a-new-sdr\/","url_meta":{"origin":23283,"position":5},"title":"Indoor shortwave antenna options to pair with a new SDR","author":"Thomas","date":"February 9, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Chris Freitas, who writes: \"I am thinking of the new RSP1A SDR. Would you know of a good indoor antenna that would work well with it?\" Your antenna question is simple, but the answer is complex! First off, I think the RSP1A is a\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/RSP1A1-1024x708.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/RSP1A1-1024x708.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/RSP1A1-1024x708.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/RSP1A1-1024x708.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/23283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=23283"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/23283\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=23283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=23283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=23283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}