{"id":3893,"date":"2018-07-09T20:55:00","date_gmt":"2018-07-09T19:55:00","guid":{"rendered":"http:\/\/lefars.org.uk\/WPblog\/?p=3893"},"modified":"2026-03-12T19:29:51","modified_gmt":"2026-03-12T19:29:51","slug":"solar-powered-wspr-transmitter","status":"publish","type":"post","link":"https:\/\/lefars.org.uk\/WPblog\/solar-powered-wspr-transmitter\/","title":{"rendered":"Solar Powered WSPR Transmitter"},"content":{"rendered":"<p>I wanted to see if you could cheaply power and run a WSPR transmitter from a battery and solar panel. The system was connected for 7 days, transmitting\u00a0around 80% of the time, day and night.<\/p>\n<p>The project is detailed online.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"tYlHCtOvOi\"><p><a href=\"https:\/\/m0taz.co.uk\/2018\/07\/solar-powered-wspr-transmitter\/\">Solar Powered WSPR Transmitter<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Solar Powered WSPR Transmitter&#8221; &#8212; M0TAZ\" src=\"https:\/\/m0taz.co.uk\/2018\/07\/solar-powered-wspr-transmitter\/embed\/#?secret=jmJ68JIcA1#?secret=tYlHCtOvOi\" data-secret=\"tYlHCtOvOi\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p><a href=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"3900\" data-permalink=\"https:\/\/lefars.org.uk\/WPblog\/solar-powered-wspr-transmitter\/img_20180630_145748\/\" data-orig-file=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748.jpg\" data-orig-size=\"1080,1920\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1530370668&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;50&quot;,&quot;shutter_speed&quot;:&quot;0.009886&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20180630_145748\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748-576x1024.jpg\" class=\"aligncenter size-large wp-image-3900\" src=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748-576x1024.jpg\" alt=\"\" width=\"576\" height=\"1024\" srcset=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748-576x1024.jpg 576w, https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748-169x300.jpg 169w, https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748-768x1365.jpg 768w, https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180630_145748.jpg 1080w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a> <a href=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"3899\" data-permalink=\"https:\/\/lefars.org.uk\/WPblog\/solar-powered-wspr-transmitter\/img_20180709_190857\/\" data-orig-file=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857.jpg\" data-orig-size=\"1920,1080\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Pixel XL&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1531163337&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.67&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.010004&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_20180709_190857\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857-1024x576.jpg\" class=\"aligncenter size-large wp-image-3899\" src=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857-1024x576.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857-1024x576.jpg 1024w, https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857-300x169.jpg 300w, https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857-768x432.jpg 768w, https:\/\/lefars.org.uk\/WPblog\/wp-content\/uploads\/2018\/07\/IMG_20180709_190857.jpg 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I wanted to see if you could cheaply power and run a WSPR transmitter from a battery and solar panel. The system was connected for 7 days, transmitting\u00a0around 80% of the time, day and night. The project is detailed online. &hellip; <a href=\"https:\/\/lefars.org.uk\/WPblog\/solar-powered-wspr-transmitter\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"gallery","meta":{"_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":""},"categories":[10,7],"tags":[177,223,224],"class_list":["post-3893","post","type-post","status-publish","format-gallery","hentry","category-home-construction","category-portable","tag-qrp-labs","tag-solar-power","tag-solar-wspr","post_format-post-format-gallery"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p22sia-10N","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/posts\/3893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/comments?post=3893"}],"version-history":[{"count":1,"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/posts\/3893\/revisions"}],"predecessor-version":[{"id":3901,"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/posts\/3893\/revisions\/3901"}],"wp:attachment":[{"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/media?parent=3893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/categories?post=3893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lefars.org.uk\/WPblog\/wp-json\/wp\/v2\/tags?post=3893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}