{"id":50092,"date":"2021-08-28T05:55:44","date_gmt":"2021-08-28T09:55:44","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=50092"},"modified":"2021-08-28T05:55:44","modified_gmt":"2021-08-28T09:55:44","slug":"mike-compares-four-active-mag-loop-antennas","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2021\/08\/mike-compares-four-active-mag-loop-antennas\/","title":{"rendered":"Mike compares four active mag loop antennas"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/MFJ-Mag-Loop-Antenna.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-30809\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/MFJ-Mag-Loop-Antenna.jpg\" alt=\"\" width=\"895\" height=\"643\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/MFJ-Mag-Loop-Antenna.jpg 895w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/MFJ-Mag-Loop-Antenna-300x216.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/MFJ-Mag-Loop-Antenna-768x552.jpg 768w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/02\/MFJ-Mag-Loop-Antenna-624x448.jpg 624w\" sizes=\"auto, (max-width: 895px) 100vw, 895px\" \/><\/a>Many thanks to Jon Hudson who shared the following on the SDRplay Facebook page:<\/p>\n<p style=\"padding-left: 40px;\"><strong>In this new video, Mike Harwood compares 4 different active mag loop antenna at various frequencies up to 52MHz using two SDRplay RSPduos which allowed simultaneous spectrum snapshots of the 4 loops in action with real signals.<\/strong><\/p>\n<p style=\"padding-left: 40px;\"><strong>These are loops from Bonito, Cross Country Wireless, LZ1AQ and Wellbrook. <\/strong><\/p>\n<p style=\"padding-left: 40px;\"><strong>This is the second of Mike&#8217;s antenna comparison videos. He welcomes comments which will help shape the content for future antenna experiments:<\/strong><\/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\/aky9sVS0rTU?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","protected":false},"excerpt":{"rendered":"<p>Many thanks to Jon Hudson who shared the following on the SDRplay Facebook page: In this new video, Mike Harwood compares 4 different active mag loop antenna at various frequencies up to 52MHz using two SDRplay RSPduos which allowed simultaneous spectrum snapshots of the 4 loops in action with real signals. These are loops from [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"closed","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":[3607,3,43,158],"tags":[4698,4357,9361,3711],"class_list":["post-50092","post","type-post","status-publish","format-standard","hentry","category-antennas","category-news","category-shortwave-radio","category-software-defined-radio","tag-jon-hudson","tag-mag-loop-antennas","tag-mike-harwood","tag-sdrplay"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-d1W","jetpack-related-posts":[{"id":49586,"url":"https:\/\/swling.com\/blog\/2021\/07\/mike-harwood-explores-active-magnetic-loop-antennas-with-sdrplay\/","url_meta":{"origin":50092,"position":0},"title":"Mike Harwood explores active magnetic loop antennas with SDRplay","author":"Thomas","date":"July 11, 2021","format":false,"excerpt":"Many thanks to Jon Hudson with SDRplay who shares the following announcement: Introducing a new series of videos comparing the performance of wideband active loop amplifier\/antennas for HF frequencies and below. In this introductory video, Mike Harwood shows how an RSPduo enables a real-time comparison of two antennas - in\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\/2018\/05\/SDRplay-RSPduo-Antenna-Ports-Angle-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-Ports-Angle-2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-Ports-Angle-2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/SDRplay-RSPduo-Antenna-Ports-Angle-2.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":17926,"url":"https:\/\/swling.com\/blog\/2016\/03\/guest-post-building-a-magnetic-loop-antenna-broadband-amplifier-for-your-sdr\/","url_meta":{"origin":50092,"position":1},"title":"Guest Post: Building a magnetic loop antenna &#038; broadband amplifier for your SDR","author":"Thomas","date":"March 26, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Dave Gahimer (K9ZCE) for the following guest post: Small Magnetic Loop Antenna with Broadband Amplifier for SDR Reception by Dave Gahimer (K9ZCE) Those with limited space, or antenna restrictions, might find a small 1 meter loop antenna a solution. My son lives in an apartment.\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/swling.com\/blog\/category\/accessories\/"},"img":{"alt_text":"Loop-Antenna","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/03\/Loop-Antenna.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/03\/Loop-Antenna.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/03\/Loop-Antenna.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":31920,"url":"https:\/\/swling.com\/blog\/2018\/05\/bill-scores-a-homebrew-lw-mw-magnetic-loop-antenna\/","url_meta":{"origin":50092,"position":2},"title":"Bill scores a homebrew LW\/MW magnetic loop antenna","author":"Thomas","date":"May 7, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Bill Hemphill (WD9EQD) who shares the following: I went to the Warminster Amateur Radio Club (WARC) hamfest [yesterday] in Bucks County, PA. For some time, I have been thinking about making a loop antenna for AM DXing. It was my lucky day. When I\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\/2018\/05\/Mag-Loop-Antenna-Homebrew-1-777x1024.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Mag-Loop-Antenna-Homebrew-1-777x1024.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/Mag-Loop-Antenna-Homebrew-1-777x1024.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":44834,"url":"https:\/\/swling.com\/blog\/2020\/08\/bruce-compares-two-homebrew-ncpl-antennas-to-the-airspy-youloop\/","url_meta":{"origin":50092,"position":3},"title":"Bruce compares two homebrew NCPL antennas to the Airspy Youloop","author":"Thomas","date":"August 16, 2020","format":false,"excerpt":"Many thanks to SWLing Post contributor, Bruce (VE3EAR), who writes: I decided that more testing of the Noise-Cancelling Passive Loop (YouLoop) antenna was needed, but I wanted to start with a clean page. I built two identical loops using some 3\/8 inch heliax scraps I had on hand. Both are\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\/2020\/08\/YouLoop2.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/YouLoop2.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/08\/YouLoop2.jpeg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":31772,"url":"https:\/\/swling.com\/blog\/2018\/04\/video-homebrew-am-loop-antenna-project-by-thomas-cholakov-n1spy\/","url_meta":{"origin":50092,"position":4},"title":"Video: Homebrew AM Loop Antenna Project by Thomas Cholakov (N1SPY)","author":"Thomas","date":"April 26, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Thomas Cholakov (N1SPY), who shares his latest video explaining the operation of a simple homebrew AM loop antenna: https:\/\/youtu.be\/PRMxfhLN_Ns Click here to view on YouTube. Brilliant video, Thomas! I love the fact you included a demonstration with your SDRplay RSP1A as well. Via the spectrum\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\/2018\/04\/AM-Loop-Antenna.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/AM-Loop-Antenna.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/AM-Loop-Antenna.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/04\/AM-Loop-Antenna.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":38615,"url":"https:\/\/swling.com\/blog\/2019\/07\/lz1aq-evaluates-impact-of-the-height-above-the-ground-on-mag-loop-performance\/","url_meta":{"origin":50092,"position":5},"title":"LZ1AQ Evaluates Impact of the Height Above the Ground on Mag Loop Performance","author":"Thomas","date":"July 22, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Harald Kuhl (DL1AX), who shares the following article on LZ1AQ's website: Published on:\u00a02018\/11\/20, Rev. 1.0 July 2018, Rev. 1.1 Nov 2018 Author:\u00a0Chavdar Levkov LZ1AQ Setup Two identical small loops were placed one above the other according to\u00a0Fig.1. One of the loops is very low\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\/2019\/07\/fig1-loops-setup.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/50092","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=50092"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/50092\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=50092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=50092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=50092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}