{"id":31361,"date":"2018-03-28T18:57:02","date_gmt":"2018-03-28T22:57:02","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=31361"},"modified":"2018-03-28T18:57:02","modified_gmt":"2018-03-28T22:57:02","slug":"interval-signals-radio-astronomy-bliss","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/03\/interval-signals-radio-astronomy-bliss\/","title":{"rendered":"Interval Signals + Radio Astronomy = Bliss"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Telescope-Dish-Astronomy.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-31359\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Telescope-Dish-Astronomy.jpg\" alt=\"\" width=\"753\" height=\"724\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Telescope-Dish-Astronomy.jpg 753w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Telescope-Dish-Astronomy-300x288.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Telescope-Dish-Astronomy-624x600.jpg 624w\" sizes=\"auto, (max-width: 753px) 100vw, 753px\" \/><\/a><\/p>\n<p>Yesterday, I spent part of the better part of the day at the <a href=\"http:\/\/pari.edu\" target=\"_blank\" rel=\"noopener\">Pisgah Astronomical Research Institute (PARI)<\/a>: a place that has begun to feel like a home away from home.<\/p>\n<p>As you might imagine, radio astronomy observatories are places with very low levels of radio frequency interference. Since I had a few hours on the PARI campus to play radio, I used it as an opportunity to evaluate the <a href=\"https:\/\/swling.com\/blog\/2018\/03\/an-initial-look-at-the-c-crane-ccradio-ep-pro\/\"><strong>CCRadio-EP Pro<\/strong><\/a>&#8216;s AM\/mediumwave performance.<\/p>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Astronomy-PL-660-CCRadio-EP-Pro-ICF-5500W-e1522276227299.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-31362\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/PARI-Radio-Astronomy-PL-660-CCRadio-EP-Pro-ICF-5500W-1024x762.jpg\" alt=\"\" width=\"625\" height=\"465\" \/><\/a><\/p>\n<p>For comparison purposes, I packed the <strong>CCRadio-EP Pro<\/strong>, <strong>Tecsun PL-660<\/strong> and (for kicks) my <strong>Sony ICF-5500W<\/strong>.<\/p>\n<div id=\"attachment_31363\" style=\"width: 635px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/Sony-ICF-550W-e1522276494269.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-31363\" class=\"size-large wp-image-31363\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/03\/Sony-ICF-550W-1024x607.jpg\" alt=\"\" width=\"625\" height=\"370\" \/><\/a><p id=\"caption-attachment-31363\" class=\"wp-caption-text\">Now isn&#8217;t the ICF-5500W a handsome boy?<\/p><\/div>\n<p>I&#8217;ll post some of the CCRadio-EP Pro videos in my final review.<\/p>\n<p>Though it was immense fun tuning through the AM broadcast band right through the gray line,\u00a0 being an SWL, I eventually turned to the shortwaves. The only <em>shortwave<\/em> radio I had on hand was the amazing little Tecsun PL-660. Conditions weren&#8217;t as bad as I had expected&#8211;propagation was decent and did I mention no noise?<\/p>\n<p>After tuning around a bit, I happened upon one of my favorite interval signals: that of the <strong>Voice of Turkey<\/strong>.<\/p>\n<p>Everything around me&#8211;all that was on my mind&#8211;simply took a backseat to the simple pleasure of listening to an interval signal on a cool, foggy spring evening surrounded by the beauty of PARI&#8217;s campus and those giant radio telescopes.<\/p>\n<p>Though the feeling was nearly impossible to capture, I did make a recording to share with <em>SWLing Post<\/em> friends and readers from around the world. I hope you enjoy:<\/p>\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\/Higz8UMCIo8?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 style=\"text-align: center;\"><a href=\"https:\/\/youtu.be\/Higz8UMCIo8\" target=\"_blank\" rel=\"noopener\">Click here to watch on YouTube.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yesterday, I spent part of the better part of the day at the Pisgah Astronomical Research Institute (PARI): a place that has begun to feel like a home away from home. As you might imagine, radio astronomy observatories are places with very low levels of radio frequency interference. Since I had a few hours on [&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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[433,3,746,43,304],"tags":[6650,94,2280,2281,6925,6924],"class_list":["post-31361","post","type-post","status-publish","format-standard","hentry","category-mediumwave","category-news","category-recordings","category-shortwave-radio","category-videos","tag-ccradio-ep-pro","tag-interval-signals","tag-pari","tag-pisgah-astronomical-research-institute","tag-voice-of-turkey-interval-signal","tag-vot-interval-signal"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-89P","jetpack-related-posts":[{"id":11005,"url":"https:\/\/swling.com\/blog\/2014\/10\/dxpedition-at-a-radio-astronomy-observatory-want-to-join-me\/","url_meta":{"origin":31361,"position":0},"title":"DXpedition at a radio astronomy observatory: Want to join me?","author":"Thomas","date":"October 12, 2014","format":false,"excerpt":"Yesterday evening, prior to my presentation at the Pisgah Astronomical Research Institute (PARI), I took the opportunity to do a little portable shortwave listening on the PARI campus. One of the great things about listening to shortwave, mediumwave or longwave at a radio astronomy site is the blissful absence of\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"PARI-West","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PARI-West-1024x682.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PARI-West-1024x682.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PARI-West-1024x682.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":15717,"url":"https:\/\/swling.com\/blog\/2015\/11\/video-shortwave-listening-and-radio-astronomy\/","url_meta":{"origin":31361,"position":1},"title":"Video: Shortwave listening and radio astronomy","author":"Thomas","date":"November 21, 2015","format":false,"excerpt":"On Thursday I attended an event at the Pisgah Astronomical Research Institute (PARI)--location of the 2015 SWLing Post DXPedition. During a break, I had a couple of free hours, so I reached in my messenger bag and pulled out the Sony ICF-SW100: a radio that has quickly surpassed all others\u2026","rel":"","context":"In &quot;EDC&quot;","block_context":{"text":"EDC","link":"https:\/\/swling.com\/blog\/category\/edc\/"},"img":{"alt_text":"Sony-ICF-SW100","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Sony-ICF-SW100-576x1024.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Sony-ICF-SW100-576x1024.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/11\/Sony-ICF-SW100-576x1024.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":10925,"url":"https:\/\/swling.com\/blog\/2014\/09\/october-10-lets-talk-shortwave-and-astronomy\/","url_meta":{"origin":31361,"position":2},"title":"October 10: Let&#8217;s talk shortwave&#8230;and astronomy","author":"Thomas","date":"September 26, 2014","format":false,"excerpt":"I've been invited to speak at the Pisgah Astronomical Research Institute (PARI),\u00a0a non-profit educational radio astronomy observatory (and former NASA tracking station as well as one-time\u00a0NSA installation), in the mountains of western North Carolina. I'll be speaking about shortwave radio, of course\u2013both its technical and cultural aspects\u2013on October 10, 2014,\u00a0at\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"PARIdish","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/PARIdish-1024x638.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/PARIdish-1024x638.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/09\/PARIdish-1024x638.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":30125,"url":"https:\/\/swling.com\/blog\/2018\/01\/thomas-explores-the-depths-of-radio-astronomy\/","url_meta":{"origin":31361,"position":3},"title":"Tom explores the depths of radio astronomy","author":"Thomas","date":"January 11, 2018","format":false,"excerpt":"Many thanks to SWLing Post contributor, Tom L, who writes: I have been curiously surveying uses of radio in different areas of industry and Astronomy came up as a hot topic the last couple of years according to recent Google searches. Radio was a giant popular commercial success in the\u2026","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\/2014\/10\/PARI-East-26M-Antenna-4-768x1024.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PARI-East-26M-Antenna-4-768x1024.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2014\/10\/PARI-East-26M-Antenna-4-768x1024.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":27633,"url":"https:\/\/swling.com\/blog\/2017\/08\/solar-eclipse-2017-in-the-path-of-totality\/","url_meta":{"origin":31361,"position":4},"title":"Solar Eclipse 2017: In the path of totality","author":"Thomas","date":"August 20, 2017","format":false,"excerpt":"Tomorrow, we will be experiencing a total solar eclipse here in the mountains of western North Carolina. Instead of enjoying the eclipse at home, I will be volunteering as a docent at the Pisgah Astronomical Research Institute in Rosman, North Carolina. Post readers might recall PARI as it was the\u2026","rel":"","context":"In &quot;Current Events&quot;","block_context":{"text":"Current Events","link":"https:\/\/swling.com\/blog\/category\/current-events\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/08\/PARI-1024x768.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/08\/PARI-1024x768.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/08\/PARI-1024x768.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":26547,"url":"https:\/\/swling.com\/blog\/2017\/06\/receiving-jupiter-with-the-sdrplay-rsp1\/","url_meta":{"origin":31361,"position":5},"title":"Receiving Jupiter with the SDRplay RSP1","author":"Thomas","date":"June 20, 2017","format":false,"excerpt":"I've been fascinated with radio astronomy since my university days. In the 1980s and 90s almost any radio astronomy experiment equated to forking out some serious money to purchase a wideband receiver (serious money to a student, at least). With the advent of SDRs, though, radio astronomy has become affordable\u2026","rel":"","context":"In &quot;Ham Radio&quot;","block_context":{"text":"Ham Radio","link":"https:\/\/swling.com\/blog\/category\/ham-radio\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Jupiter-SDRplay-RSP1-SpectrumWaterfall.jpeg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Jupiter-SDRplay-RSP1-SpectrumWaterfall.jpeg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2017\/06\/Jupiter-SDRplay-RSP1-SpectrumWaterfall.jpeg?resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31361","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=31361"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/31361\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=31361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=31361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=31361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}