{"id":27549,"date":"2017-08-13T08:17:03","date_gmt":"2017-08-13T12:17:03","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=27549"},"modified":"2017-08-13T08:17:03","modified_gmt":"2017-08-13T12:17:03","slug":"video-hf-tests-from-arecibo-observatory","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2017\/08\/video-hf-tests-from-arecibo-observatory\/","title":{"rendered":"Video: HF tests from Arecibo observatory"},"content":{"rendered":"<div id=\"attachment_23405\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Arecibo_Observatory_Aerial_View-e1484486432239.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-23405\" class=\"size-large wp-image-23405\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Arecibo_Observatory_Aerial_View-1024x811.jpg\" alt=\"\" width=\"625\" height=\"495\" \/><\/a><p id=\"caption-attachment-23405\" class=\"wp-caption-text\">The Arecibo Radio Telescope, at Arecibo, Puerto Rico. At 1000 feet (305 m) across, it is the second largest dish antenna in the world. (Source: Wikipedia)<\/p><\/div>\n<p>Many thanks to <em>SWLing Post<\/em> contributor,\u00a0Ivan Cholakov, who writes:<\/p>\n<blockquote><p>Thomas, I did not see a story on the blog about the HF atmospheric heating experiments conducted by the Arecibo observatory a couple of weeks ago.<\/p>\n<p><a href=\"http:\/\/youtu.be\/OFB0RC8t92w\" target=\"_blank\" rel=\"noopener\">Thomas Cholakov N1SPY made a video about it<\/a> but I am also sure a bunch of other listeners were able to tune to the super-strong signal on 5125 and 5095 kHz.<\/p><\/blockquote>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/OFB0RC8t92w?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>Great video, Thomas!<\/p>\n<p>Indeed, I did miss posting this item. The event timing conflicted with my travel schedule in a bad way. Sadly, I only had one opportunity to tune in and I did too late (by just a couple of minutes!) that day.<\/p>\n<p>Did anyone else catch the on-air experiments from Arecibo?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor,\u00a0Ivan Cholakov, who writes: Thomas, I did not see a story on the blog about the HF atmospheric heating experiments conducted by the Arecibo observatory a couple of weeks ago. Thomas Cholakov N1SPY made a video about it but I am also sure a bunch of other listeners were able [&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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,43,304],"tags":[582,5391,34,6247,4093],"class_list":["post-27549","post","type-post","status-publish","format-standard","hentry","category-news","category-shortwave-radio","category-videos","tag-arecibo-observatory","tag-ivan-cholakov-no2cw","tag-shortwave","tag-tommy-cholakov-n1spy","tag-videos"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-7al","jetpack-related-posts":[{"id":36182,"url":"https:\/\/swling.com\/blog\/2019\/02\/video-n1spy-brings-a-ge-seven-band-radio-back-to-life\/","url_meta":{"origin":27549,"position":0},"title":"Video: N1SPY brings a GE seven band radio back to life!","author":"Thomas","date":"February 27, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan Cholakov, who writes: Thomas Cholakov (N1SPY) picked up an old General Electric radio from the 2019 Orlando Hamcation and brought it back to life. Unfortunately with all of the radio's 7 bands, it did not have shortwave. https:\/\/youtu.be\/KXRlf9ybXM4 Click here to watch on\u2026","rel":"","context":"In &quot;How To&quot;","block_context":{"text":"How To","link":"https:\/\/swling.com\/blog\/category\/how-to\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/02\/GE-7-band-radio-e1550753200377.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/02\/GE-7-band-radio-e1550753200377.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/02\/GE-7-band-radio-e1550753200377.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":26452,"url":"https:\/\/swling.com\/blog\/2017\/06\/video-lightbulb-vs-radio-beacon-by-thomas-cholakov-n1spy\/","url_meta":{"origin":27549,"position":1},"title":"Video: Lightbulb vs Radio Beacon by Thomas Cholakov (N1SPY)","author":"Thomas","date":"June 17, 2017","format":false,"excerpt":"Many thanks to SWLing Post contributor,\u00a0Ivan Cholakov (NO2CW), who writes: My 11 year old son Tommy (N1SPY) completed a project where he compared a 1W lightbulb to a .25 W radio beacon that he put together and bet that the radio beacon can be heard around the world. I asked\u2026","rel":"","context":"In &quot;Digital Modes&quot;","block_context":{"text":"Digital Modes","link":"https:\/\/swling.com\/blog\/category\/digital-modes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Lightbulb-v-beacon-wspr-kit.jpeg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Lightbulb-v-beacon-wspr-kit.jpeg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Lightbulb-v-beacon-wspr-kit.jpeg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Lightbulb-v-beacon-wspr-kit.jpeg?resize=700%2C400 2x"},"classes":[]},{"id":46948,"url":"https:\/\/swling.com\/blog\/2020\/12\/video-physicist-reminisces-about-arecibo-radio-telescope\/","url_meta":{"origin":27549,"position":2},"title":"Video: Physicist reminisces about Arecibo Radio Telescope","author":"Thomas","date":"December 16, 2020","format":false,"excerpt":"Many thanks to SWLing Post contributor, TomL, who shares the following: I came across this youtube video about a physicist who worked there in his early years and gives this tribute to his time there. Maybe some others would like to see it too: https:\/\/www.youtube.com\/watch?v=ExHef0N7MUI Amazing! Thank you, Tom!","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\/2020\/11\/Arecibo-scaled-e1605811467624.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/11\/Arecibo-scaled-e1605811467624.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/11\/Arecibo-scaled-e1605811467624.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/11\/Arecibo-scaled-e1605811467624.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2020\/11\/Arecibo-scaled-e1605811467624.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":36996,"url":"https:\/\/swling.com\/blog\/2019\/04\/thomas-n1spy-explores-the-world-of-non-directional-beacons-ndbs\/","url_meta":{"origin":27549,"position":3},"title":"Thomas (N1SPY) explores the world of non-directional beacons (NDBs)","author":"Thomas","date":"April 23, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan Cholakov (NO2CW), who shares the following: Thomas, N1SPY did a follow up video [to this previous post] where he explained a few details about NDBs (Non Directional Beacons). I knew they existed but had no idea about their historical significance. https:\/\/youtu.be\/h_-aFA-DNNU Click here\u2026","rel":"","context":"In &quot;Aviation&quot;","block_context":{"text":"Aviation","link":"https:\/\/swling.com\/blog\/category\/aviation\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Aircraft-Jet-Boeing-VOLMET.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Aircraft-Jet-Boeing-VOLMET.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Aircraft-Jet-Boeing-VOLMET.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":28619,"url":"https:\/\/swling.com\/blog\/2017\/10\/hurricane-damages-arecibo-radio-telescope\/","url_meta":{"origin":27549,"position":4},"title":"Hurricane Damages Arecibo Radio Telescope","author":"Thomas","date":"October 2, 2017","format":false,"excerpt":"(Source: National Geographic via Eric WD8RIF) Hurricane Damages Giant Radio Telescope\u2014Why It Matters\" at National Geographic, written by the daughter of Frank Drake, pioneer SETI investigator: Scientists and ham radio operators have confirmed that the Arecibo Observatory in Puerto Rico\u2014arguably the world\u2019s most iconic radio telescope, which has a dish\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Arecibo_Observatory_Aerial_View-e1484486432239.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Arecibo_Observatory_Aerial_View-e1484486432239.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Arecibo_Observatory_Aerial_View-e1484486432239.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/01\/Arecibo_Observatory_Aerial_View-e1484486432239.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":47899,"url":"https:\/\/swling.com\/blog\/2021\/02\/video-thomas-n1spy-takes-a-look-at-a-future-qst-magazine-dated-april-2041\/","url_meta":{"origin":27549,"position":5},"title":"Video: Thomas (N1SPY) takes a look at a &#8220;Future QST&#8221; magazine dated April 2041","author":"Thomas","date":"February 22, 2021","format":false,"excerpt":"Many thanks to SWLing Post contributor, Ivan Cholakov, who writes: Hello Thomas, Something entertaining - Thomas, N1SPY got his hands on a QST Magazine dated April 2041 if you can believe it! So he shared some of the stories in the magazine in a video and also attached the magazine\u2026","rel":"","context":"In &quot;Funny&quot;","block_context":{"text":"Funny","link":"https:\/\/swling.com\/blog\/category\/funny\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/future-QST.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/future-QST.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2021\/02\/future-QST.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\/27549","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=27549"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/27549\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=27549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=27549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=27549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}