{"id":40199,"date":"2019-10-17T06:49:30","date_gmt":"2019-10-17T10:49:30","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=40199"},"modified":"2019-10-17T07:17:43","modified_gmt":"2019-10-17T11:17:43","slug":"rolf-experiments-with-mw-antenna-coupling","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2019\/10\/rolf-experiments-with-mw-antenna-coupling\/","title":{"rendered":"Rolf experiments with MW antenna coupling"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-24625\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog.jpg\" alt=\"\" width=\"800\" height=\"460\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog.jpg 800w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog-300x173.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog-768x442.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/dial-analog-624x359.jpg 624w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>Many thanks to <em>SWLing Post<\/em> contributor, Rolf, who writes:<\/p>\n<blockquote><p>I made a great discovery tuning using a second passive analog radio.<\/p>\n<p>When I tune to Radio Caroline, for example, on my portable I can receive the signal okay. When I put the receiving radio on minimum then place it next to and couple it with the second radio, it is receiving a lot better!<\/p>\n<p>Even stations I could hardly hear, now i can hear them!<\/p>\n<p>Check out my short demonstration video:<\/p><\/blockquote>\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\/PjejG15qpPg?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\/PjejG15qpPg\" target=\"_blank\" rel=\"noopener noreferrer\">Click here to view on YouTube.<\/a><\/p>\n<p>That is fascinating, Rolf. Thank you for sharing. Indeed, this is one of the reasons why I try to maintain a good distance between radios when comparing them in reviews. In this case, though, you&#8217;re using coupling to your advantage!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Rolf, who writes: I made a great discovery tuning using a second passive analog radio. When I tune to Radio Caroline, for example, on my portable I can receive the signal okay. When I put the receiving radio on minimum then place it next to and couple it with [&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":[373,3607,433,3],"tags":[8072,4099,432],"class_list":["post-40199","post","type-post","status-publish","format-standard","hentry","category-am","category-antennas","category-mediumwave","category-news","tag-antenna-coupling","tag-mediumwave","tag-mw"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-asn","jetpack-related-posts":[{"id":30054,"url":"https:\/\/swling.com\/blog\/2018\/01\/xhdata-d-808-modification-to-allow-an-external-mediumwave-antenna\/","url_meta":{"origin":40199,"position":0},"title":"XHDATA D-808 modification to allow an external mediumwave antenna","author":"Thomas","date":"January 8, 2018","format":false,"excerpt":"Many thanks to\u00a0SWLing Post\u00a0contributor,\u00a0Rolf Snijder, who writes: I have added an external antenna capability for mediumwave on the XHData D-808. Simply add a 27 pF capacitor on the backside of the PCB on C10 to the the ferrite antenna. The mod causes no loss on FM or shortwave! I also\u2026","rel":"","context":"In &quot;Mediumwave&quot;","block_context":{"text":"Mediumwave","link":"https:\/\/swling.com\/blog\/category\/mediumwave\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/XHdata-D808.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":29028,"url":"https:\/\/swling.com\/blog\/2017\/11\/rolfs-pl-680-modification-allows-external-antenna-on-lw-and-mw\/","url_meta":{"origin":40199,"position":1},"title":"Rolf&#8217;s PL-680 modification allows external antenna on LW and MW","author":"Thomas","date":"November 5, 2017","format":false,"excerpt":"Many thanks to\u00a0SWLing Post\u00a0contributor,\u00a0Rolf Snijder, who writes: I did a modification today on the Tecsun PL-680 [which allows for an] external antenna on LW and MW. The internal ferriet is also working, but on my active loop, MW and LW is now working ! So far away stations I can\u2026","rel":"","context":"In &quot;How To&quot;","block_context":{"text":"How To","link":"https:\/\/swling.com\/blog\/category\/how-to\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/12\/Tecsun_PL-680.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/12\/Tecsun_PL-680.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/12\/Tecsun_PL-680.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/12\/Tecsun_PL-680.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":29939,"url":"https:\/\/swling.com\/blog\/2018\/01\/rolf-shares-interior-shots-of-the-xhdata-d-808\/","url_meta":{"origin":40199,"position":2},"title":"Rolf shares interior shots of the XHDATA D-808","author":"Thomas","date":"January 3, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Rolf Snijder, who writes: Here are some pictures from my new XHData D-808. It performs well, only a soft muting when I change the dial. Longwave is not great--it receives, but is too weak. Mediumwave and shortwave look great for this radio. Have a\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/XHdata-D808.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":24504,"url":"https:\/\/swling.com\/blog\/2017\/03\/garys-mediumwave-dx-fsl-antenna-phasing-experiment\/","url_meta":{"origin":40199,"position":3},"title":"Gary&#8217;s mediumwave DX FSL antenna phasing experiment","author":"Thomas","date":"March 4, 2017","format":false,"excerpt":"Many thanks to SWling Post contributor, Gary DeBock, who shares the following note about his latest FSL antenna experiment: Medium wave DX FSL antenna phasing experiment-- 1593-CNR1 (Changzhou, China, in Mandarin) boosted up to strong (S9) peaks by two 5 inch \"Frequent Flyer\" FSL's at 1435 UTC on February 25th\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\/03\/FSL-Phasing-Antennas-1024x576.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/FSL-Phasing-Antennas-1024x576.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/03\/FSL-Phasing-Antennas-1024x576.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":23072,"url":"https:\/\/swling.com\/blog\/2016\/12\/video-gary-debocks-baby-fsl-antenna\/","url_meta":{"origin":40199,"position":4},"title":"Video: Gary DeBock&#8217;s &#8220;Baby FSL&#8221; antenna","author":"Thomas","date":"December 30, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Gary DeBock (N7EKX), who shares this video and notes the following on YouTube: This is the new 3.5 inch (89mm) \"Baby FSL\" antenna, designed to provide a powerful DXing gain boost for Ultralight radios (or any other portables) despite its very small size. It has\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/12\/BabyFSL.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/12\/BabyFSL.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/12\/BabyFSL.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":28934,"url":"https:\/\/swling.com\/blog\/2017\/10\/tecsun-pl-680-rolf-touts-enhanced-performance-using-pl-660-mod\/","url_meta":{"origin":40199,"position":5},"title":"Tecsun PL-680: Rolf touts enhanced performance using PL-660 mod","author":"Thomas","date":"October 28, 2017","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Rolf Snijder, who writes: I have made the same modification to the Tecsun PL-680, that was done [by many on the] PL-660 earlier. The PL-680 is now a great radio; I think now one of the best! I do not own a PL-660, so I\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/10\/Tecsun-PL-680-Mod-e1509192195607.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/10\/Tecsun-PL-680-Mod-e1509192195607.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/10\/Tecsun-PL-680-Mod-e1509192195607.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/10\/Tecsun-PL-680-Mod-e1509192195607.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/40199","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=40199"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/40199\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=40199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=40199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=40199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}