{"id":10469,"date":"2009-04-23T05:10:00","date_gmt":"2009-04-22T19:10:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2009\/04\/23\/wspring-along-at-27-db-below-the-noise\/"},"modified":"2009-04-23T05:10:00","modified_gmt":"2009-04-22T19:10:00","slug":"wspring-along-at-27-db-below-the-noise","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2009\/04\/23\/wspring-along-at-27-db-below-the-noise\/","title":{"rendered":"WSPRing  along at 27 db below the noise&#8230;."},"content":{"rendered":"<p>WSPR is fun. I haven&#8217;t crossed any ponds yet, but the real- time displays of the reception reports are very addictive:<br \/><a href=\"http:\/\/wsprnet.org\/drupal\/wsprnet\/spots\">http:\/\/wsprnet.org\/drupal\/wsprnet\/spots<\/a><br \/>Be sure to click on the map display also.<\/p>\n<p>I was intrigued by the Signal to Noise ratio column, and wondered what the reference bandwidth for the noise was. K1JT&#8217;s pages show the reference bandwidth is 2500 Hz, and that WSPR can decode signals that are as much as 27 db below that noise. <\/p>\n<p>That&#8217;s great. I guess I don&#8217;t have to worry about the lower sideband of my 30 mw signal causing anyone any trouble. It will be very far down in the noise.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WSPR is fun. I haven&#8217;t crossed any ponds yet, but the real- time displays of the reception reports are very addictive:http:\/\/wsprnet.org\/drupal\/wsprnet\/spotsBe sure to click on the map display also. I was intrigued by the Signal to Noise ratio column, and wondered what the reference bandwidth for the noise was. K1JT&#8217;s pages show the reference bandwidth &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2009\/04\/23\/wspring-along-at-27-db-below-the-noise\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;WSPRing  along at 27 db below the noise&#8230;.&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[374,26],"tags":[],"class_list":["post-10469","post","type-post","status-publish","format-standard","hentry","category-k1jt","category-wspr"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=10469"}],"version-history":[{"count":0,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10469\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=10469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=10469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=10469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}