{"id":1503,"date":"2021-10-12T08:02:26","date_gmt":"2021-10-12T08:02:26","guid":{"rendered":"https:\/\/klubnl.pl\/wpr\/?p=1503"},"modified":"2021-10-12T08:04:28","modified_gmt":"2021-10-12T08:04:28","slug":"rsdn-alpha-vlf-back-again","status":"publish","type":"post","link":"https:\/\/klubnl.pl\/wpr\/en\/2021\/10\/12\/rsdn-alpha-vlf-back-again\/","title":{"rendered":"RSDN stations are active again"},"content":{"rendered":"<p>After a long period of inactivity the RSDN stations are active again. Right now (12 october 2021) three frequencies are active: 11.9kHz, 12.65kHz, 14.88kHz.<\/p>\n<p>This is a hyperbolic navigation system, which broadcasts a periodic carrier. More information is avaliable here: <a href=\"http:\/\/www.vlf.it\/alphatrond\/alpha.htm\">http:\/\/www.vlf.it\/alphatrond\/alpha.htm<\/a><\/p>\n<p>For people interested in VLF this is a great test signal, whch can be used to check receiving equipment.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1504\" src=\"https:\/\/klubnl.pl\/wpr\/wp-content\/uploads\/2021\/10\/rsdn_2021.jpg\" alt=\"RSDN 2021\" width=\"1200\" height=\"557\" srcset=\"https:\/\/klubnl.pl\/wpr\/wp-content\/uploads\/2021\/10\/rsdn_2021.jpg 1200w, https:\/\/klubnl.pl\/wpr\/wp-content\/uploads\/2021\/10\/rsdn_2021-300x139.jpg 300w, https:\/\/klubnl.pl\/wpr\/wp-content\/uploads\/2021\/10\/rsdn_2021-768x356.jpg 768w, https:\/\/klubnl.pl\/wpr\/wp-content\/uploads\/2021\/10\/rsdn_2021-1024x475.jpg 1024w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/p>\n<p>RSDN 2021<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After a long period of inactivity the RSDN stations are active again. Right now (12 october 2021) three frequencies are active: 11.9kHz, 12.65kHz, 14.88kHz. This is a hyperbolic navigation system, which broadcasts a periodic carrier. More information is avaliable here: http:\/\/www.vlf.it\/alphatrond\/alpha.htm For people interested in VLF this is a great test signal, whch can be &hellip; <a href=\"https:\/\/klubnl.pl\/wpr\/en\/2021\/10\/12\/rsdn-alpha-vlf-back-again\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;RSDN stations are active again&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[56,55,12],"class_list":["post-1503","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-alpha","tag-rsdn","tag-vlf"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"en","enabled_languages":["pl","en"],"languages":{"pl":{"title":true,"content":true,"excerpt":false},"en":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/posts\/1503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/comments?post=1503"}],"version-history":[{"count":4,"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/posts\/1503\/revisions"}],"predecessor-version":[{"id":1510,"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/posts\/1503\/revisions\/1510"}],"wp:attachment":[{"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/media?parent=1503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/categories?post=1503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/klubnl.pl\/wpr\/en\/wp-json\/wp\/v2\/tags?post=1503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}