{"id":30054,"date":"2018-01-08T18:07:25","date_gmt":"2018-01-08T22:07:25","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=30054"},"modified":"2018-01-08T18:07:25","modified_gmt":"2018-01-08T22:07:25","slug":"xhdata-d-808-modification-to-allow-an-external-mediumwave-antenna","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/01\/xhdata-d-808-modification-to-allow-an-external-mediumwave-antenna\/","title":{"rendered":"XHDATA D-808 modification to allow an external mediumwave antenna"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/XHdata-D808.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29111\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/XHdata-D808.jpg\" alt=\"\" width=\"495\" height=\"338\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/XHdata-D808.jpg 495w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/11\/XHdata-D808-300x205.jpg 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/a><\/p>\n<p>Many thanks to\u00a0<em>SWLing Post<\/em>\u00a0contributor,\u00a0Rolf Snijder, who writes:<\/p>\n<blockquote><p>I have added an external antenna capability for mediumwave on the XHData D-808.<\/p>\n<p>Simply add a 27 pF capacitor on the backside of the PCB on C10 to the the ferrite antenna.<\/p>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-External-Antenna-Modification-2-e1515422483163.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-30057\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-External-Antenna-Modification-2-1024x578.jpg\" alt=\"\" width=\"625\" height=\"353\" \/><\/a><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-External-Antenna-Modification-1-e1515422501119.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-30058\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-External-Antenna-Modification-1-1024x578.jpg\" alt=\"\" width=\"625\" height=\"353\" \/><\/a><\/p>\n<p>The mod causes no loss on FM or shortwave!<\/p>\n<p>I also replaced the Ferrite antenna with a bigger one so I now have more performance on MW!<\/p>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-External-Antenna-Modification-3-e1515422517834.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-30059\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-External-Antenna-Modification-3-1024x709.jpg\" alt=\"\" width=\"625\" height=\"433\" \/><\/a><\/p>\n<p>Longwave is not good in my radio, even with an external antenna, it is not performing well.<\/p><\/blockquote>\n<p>Thanks once again, Rolf! I must assume that the <a href=\"https:\/\/swling.com\/blog\/tag\/digitech-ar-1780\">Digitech AR-1780<\/a> could be modified in the same way as the radios appear to be near identical. Perhaps someone can verify this at some point!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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 replaced the Ferrite antenna 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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[433,3,139,26,43],"tags":[6620,6594,4082,6621,6619,6744],"class_list":["post-30054","post","type-post","status-publish","format-standard","hentry","category-mediumwave","category-news","category-radio-modifications","category-radios","category-shortwave-radio","tag-d-808","tag-rolf-snijder","tag-shortwave-radio","tag-xhdata","tag-xhdata-d-808","tag-xhdata-d-808-modifications"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-7OK","jetpack-related-posts":[{"id":29939,"url":"https:\/\/swling.com\/blog\/2018\/01\/rolf-shares-interior-shots-of-the-xhdata-d-808\/","url_meta":{"origin":30054,"position":0},"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":30754,"url":"https:\/\/swling.com\/blog\/2018\/02\/xhdata-d-808-using-an-external-longwire-antenna-for-mw\/","url_meta":{"origin":30054,"position":1},"title":"XHDATA D-808: using an external longwire antenna for MW","author":"Thomas","date":"February 6, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Mad Radio DXer, who writes: I want to bring to the attention of your readers & fellow XHDATA D-808 owners that it can accept an external antenna on MW without the need for any modifications. This I found out during a DXpedition to the\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\/01\/XHDATA-D-808-Front-Panel-1024x686.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-Front-Panel-1024x686.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/XHDATA-D-808-Front-Panel-1024x686.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":50439,"url":"https:\/\/swling.com\/blog\/2021\/10\/gary-debocks-xhdata-d-808-loopstick-model\/","url_meta":{"origin":30054,"position":2},"title":"Gary DeBock&#8217;s XHDATA D-808 loopstick model","author":"Thomas","date":"October 5, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Gary DeBock, who shares the following: The 7.5 inch (19cm) loopstick XHDATA D-808 model was designed to be the ultimate AM-DXing (or Longwave DXing) travel portable, and can be built for a construction cost of around $30 US. It has already been used by\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\/2021\/10\/Gary-Debock-Loopstick-D-808-e1633427863196.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/10\/Gary-Debock-Loopstick-D-808-e1633427863196.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/10\/Gary-Debock-Loopstick-D-808-e1633427863196.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/10\/Gary-Debock-Loopstick-D-808-e1633427863196.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":32493,"url":"https:\/\/swling.com\/blog\/2018\/05\/gary-pulls-apart-and-examines-the-xhdata-d-808\/","url_meta":{"origin":30054,"position":3},"title":"Gary pulls apart and examines the XHDATA D-808","author":"Thomas","date":"May 31, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Gary DeBock, who shares the following report of the XHDATA D-808: XHDATA D-808 AM-LW-FM-SW-AIR Portable- Tech Report by Gary DeBock The XHDATA D-808 portable is an AM-LW-FM-SW-SSB-AIR band model which has already been the subject of many excellent reviews. Until recently the model was not\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\/XHDATA-D-808-Chip.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/XHDATA-D-808-Chip.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/XHDATA-D-808-Chip.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/05\/XHDATA-D-808-Chip.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":30142,"url":"https:\/\/swling.com\/blog\/2018\/01\/xhdata-d-808-and-digitech-ar-1780-comparing-size-and-appearance\/","url_meta":{"origin":30054,"position":4},"title":"XHDATA D-808 and Digitech AR-1780: Comparing size and appearance","author":"Thomas","date":"January 12, 2018","format":false,"excerpt":"Tuesday evening, I received my long-awaited XHDATA D-808 from AliExpress via the postal service. Yesterday morning, I unboxed it and started charging the included 18650 Li-Ion cell. I haven't properly put it on the air yet but if you're interested in some initial reports, check out these previous posts. Dimensions\u2026","rel":"","context":"In &quot;New Products&quot;","block_context":{"text":"New Products","link":"https:\/\/swling.com\/blog\/category\/new-products\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/D-808-AR-1780-Keypad.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":30009,"url":"https:\/\/swling.com\/blog\/2018\/01\/short-videos-the-xhdata-d-808-portable-ssb-receiver-on-mw-and-sw\/","url_meta":{"origin":30054,"position":5},"title":"Short Videos: the XHDATA D-808 Portable SSB Receiver on MW and SW","author":"Guy Atkins","date":"January 7, 2018","format":false,"excerpt":"I recently received a new XHDATA D-808 SSB portable receiver, after AliExpress had a $69 USD introductory sale. I'm intrigued by this new model, as it uses the SiLabs Si4735 DSP chip, the same \"brains\" that powers the Eton Satellit (and Executive version), and C. Crane Skywave SSB. I believe\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\/01\/d-808group-1024x744.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/d-808group-1024x744.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/d-808group-1024x744.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/30054","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=30054"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/30054\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=30054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=30054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=30054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}