{"id":179,"date":"2014-06-29T15:55:29","date_gmt":"2014-06-29T13:55:29","guid":{"rendered":"http:\/\/blog.dj6dp.de\/?p=179"},"modified":"2014-06-29T15:56:46","modified_gmt":"2014-06-29T13:56:46","slug":"alexanderson-day-2014","status":"publish","type":"post","link":"https:\/\/blog.dj6dp.de\/?p=179","title":{"rendered":"Alexanderson-Day 2014"},"content":{"rendered":"<p>Some time ago, I built a handheld VLF receiver following the schematic by Wilfried, DJ1WF: http:\/\/www.vlf.it\/fritz\/pocketrx.html<\/p>\n<p>Unfortunately, I had no luck so far in receiving SAQ &#8211; either I couldn&#8217;t spare time when there was a transmission, or my location had too much QRM. This was also the case when I tried to receive the first transmission today at 9:00 UTC from my home shack, using my IC-728, a VLF converter and the dipole which is spanned across the garden.<\/p>\n<p>So, after some breakfast, I went out and gave it another try with the handheld receiver &#8211; and it worked! Not extraordinarily good, but sufficient to clearly hear the CW signals from Grimeton.<\/p>\n<p>I used a few meters of wire as an antenna and my trusty Zoom H1 to record everything (low cut enabled). Here are the audio files (one untouched and one software-filtered in Audacity) and a short video of the reception site. As you can see, the weather wasn&#8217;t really on our side, but what are a few drops of rain to stop a radio amateur? \ud83d\ude09<\/p>\n<ul>\n<li><a href=\"wp-content\/uploads\/2014\/06\/saq_140628_unfiltered.mp3\">Alexanderson Day 2014, 2nd Transmission<\/a><\/li>\n<li><a href=\"wp-content\/uploads\/2014\/06\/saq_140628_filtered.mp3\">Alexanderson Day 2014, 2nd Transmission (filtered audio)<\/a><\/li>\n<\/ul>\n<p><center><iframe loading=\"lazy\" width=\"640\" height=\"480\" src=\"\/\/www.youtube-nocookie.com\/embed\/LZlzY_ig2jY?rel=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some time ago, I built a handheld VLF receiver following the schematic by Wilfried, DJ1WF: http:\/\/www.vlf.it\/fritz\/pocketrx.html Unfortunately, I had no luck so far in receiving SAQ &#8211; either I couldn&#8217;t spare time when there was a transmission, or my location &hellip; <a href=\"https:\/\/blog.dj6dp.de\/?p=179\">Weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,6],"tags":[17,16,15,14],"class_list":["post-179","post","type-post","status-publish","format-standard","hentry","category-amateurfunk","category-english-articles","tag-alexanderson","tag-grimeton","tag-saq","tag-vlf"],"_links":{"self":[{"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=\/wp\/v2\/posts\/179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=179"}],"version-history":[{"count":5,"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=\/wp\/v2\/posts\/179\/revisions"}],"predecessor-version":[{"id":186,"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=\/wp\/v2\/posts\/179\/revisions\/186"}],"wp:attachment":[{"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.dj6dp.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}