{"id":2832,"date":"2012-02-22T11:04:04","date_gmt":"2012-02-22T15:04:04","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=2832"},"modified":"2012-02-22T11:07:02","modified_gmt":"2012-02-22T15:07:02","slug":"google-doodle-honors-heinrich-hertzs-155th-birthday","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2012\/02\/google-doodle-honors-heinrich-hertzs-155th-birthday\/","title":{"rendered":"Google Doodle honors Heinrich Hertz&#8217;s 155th birthday"},"content":{"rendered":"<p>If you visit <a title=\"Google.com\" href=\"http:\/\/google.com\" target=\"_blank\">Google&#8217;s home page today<\/a>, you&#8217;ll notice that their typical logo has been replaced with an animation of an undulating, multi-colored wave.<\/p>\n<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2012\/02\/HertzScreenCapturGoogle.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2833\" title=\"HertzScreenCapturGoogle\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2012\/02\/HertzScreenCapturGoogle.jpg\" alt=\"\" width=\"550\" height=\"261\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2012\/02\/HertzScreenCapturGoogle.jpg 550w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2012\/02\/HertzScreenCapturGoogle-300x142.jpg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2012\/02\/HertzScreenCapturGoogle-100x47.jpg 100w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><\/p>\n<p>If you click on the wave, you&#8217;ll be taken to sites telling the story of Heinrich Rudolf Hertz.<\/p>\n<p>We should all take a moment today to thank Hertz for his contribution to the radio spectrum. Indeed, it was Hertz who showed that electricity could be transmitted via electromagnetic waves. This laid the groundwork for developing wireless telegraph and radio. In the 1930&#8217;s the International Electrotechnical Commission decided that\u00a0Hertz\u2019s name would become the unit of frequency for our electromagnetic spectrum&#8211;the hertz (Hz)&#8211;about four decades after the his death.<\/p>\n<p>To read the story of Hertz, I would suggest browsing <a title=\"Wikipedia\" href=\"http:\/\/en.wikipedia.org\/wiki\/Heinrich_Hertz\" target=\"_blank\">his Wikipedia entry<\/a>.<\/p>\n<p>If you missed seeing the Google Doodle animation, check out the video below:<\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/kwhHE4bfdck\" frameborder=\"0\" width=\"560\" height=\"315\"><\/iframe><\/p>\n<p><em>This isn&#8217;t the first time Google has honored an influential innovator in our radio world, a few years ago we posted their <a title=\"Google commemorates 218th anniversary of Samuel Morse\u2019s birthday\" href=\"http:\/\/swling.com\/blog\/2009\/04\/google-commemorates-218th-anniversary-of-samuel-morse%e2%80%99s-birthday\/\">Google Doodle tribute to Samuel Morse<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you visit Google&#8217;s home page today, you&#8217;ll notice that their typical logo has been replaced with an animation of an undulating, multi-colored wave. If you click on the wave, you&#8217;ll be taken to sites telling the story of Heinrich Rudolf Hertz. We should all take a moment today to thank Hertz for his contribution [&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":[3,288,43],"tags":[911,92,91,909,910,4082],"class_list":["post-2832","post","type-post","status-publish","format-standard","hentry","category-news","category-radio-history","category-shortwave-radio","tag-155th-birthday-heinrich-rudolf-hertz","tag-google","tag-google-doodle","tag-heinrich-rudolf-hertz","tag-hertz","tag-shortwave-radio"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-JG","jetpack-related-posts":[{"id":20978,"url":"https:\/\/swling.com\/blog\/2016\/09\/tropical-band-dxing-at-home-with-elad-fdm-duo-and-wellbrook-ala1530-active-loop\/","url_meta":{"origin":2832,"position":0},"title":"Tropical Band DXing at home with Elad FDM DUO and Wellbrook ALA1530 active loop","author":"Clint Gouveia","date":"September 1, 2016","format":false,"excerpt":"Recently I have spent a little more time\u00a0listening out for\u00a0Tropical Band stations from my shack in Oxford UK, attempting to emulate some of the very nice signals I have previously recorded out on DX'peditions. The obvious problems with this (and they are numerous) include the relatively weak signal strength of\u2026","rel":"","context":"In &quot;Antennas&quot;","block_context":{"text":"Antennas","link":"https:\/\/swling.com\/blog\/category\/antennas\/"},"img":{"alt_text":"2-jungle","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/09\/2-jungle.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5666,"url":"https:\/\/swling.com\/blog\/2013\/02\/shortwave-radio-recordings-the-mighty-kbc\/","url_meta":{"origin":2832,"position":1},"title":"Shortwave Radio Recordings: The Mighty KBC","author":"Thomas","date":"February 17, 2013","format":false,"excerpt":"The Mighty KBC broadcast again early this morning (from 00:00-02:00 UTC) on 9,450 kHz. Their signal was quite strong into North America and there was very little interference of any sort. As we've come to expect, the KBC's Giant Jukebox of music has a lot of rock-n-roll variety, spanning the\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"tom-petty","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/02\/tom-petty-244x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":22560,"url":"https:\/\/swling.com\/blog\/2016\/12\/history-of-the-nbc-chimes\/","url_meta":{"origin":2832,"position":2},"title":"History of the NBC Chimes","author":"Thomas","date":"December 3, 2016","format":false,"excerpt":"If you have thirteen minutes today, do yourself a favor and listen to this excellent radio documentary about the NBC chimes from the podcast\u00a0Twenty Thousand Hertz. \u00a0It's fascinating! (Source: Twenty Thousand Hertz via 99% Invisible) NBC\u2019s three little chimes didn\u2019t just define a television network, they defined a generation. Where\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"Original NBC Chimes. Photo taken at the NCRTV museum","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/02\/NBC-Chimes-1024x678.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/02\/NBC-Chimes-1024x678.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/02\/NBC-Chimes-1024x678.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":54300,"url":"https:\/\/swling.com\/blog\/2022\/10\/tokyo-rose-exploring-the-story-of-iva-toguri-and-genesis-of-the-zero-hour\/","url_meta":{"origin":2832,"position":3},"title":"Tokyo Rose: Exploring the Story of Iva Toguri and Genesis of &#8220;The Zero Hour&#8221;","author":"Thomas","date":"October 9, 2022","format":false,"excerpt":"If you've been an SWLing Post reader for long, you'll likely know that I'm a Word War II history buff and I especially enjoy exploring the deep rabbit hole that is WWII radio and propaganda. Radio broadcasts were heavily used by all of the players in WWII, and some prominent\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\/2022\/10\/Tokyo-Rose-Zero-Hour-Graphic-Novel-2.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/10\/Tokyo-Rose-Zero-Hour-Graphic-Novel-2.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/10\/Tokyo-Rose-Zero-Hour-Graphic-Novel-2.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/10\/Tokyo-Rose-Zero-Hour-Graphic-Novel-2.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/10\/Tokyo-Rose-Zero-Hour-Graphic-Novel-2.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":6203,"url":"https:\/\/swling.com\/blog\/2013\/04\/voa-mighty-kbc-and-pcj-radiograms-this-weekend\/","url_meta":{"origin":2832,"position":4},"title":"VOA, Mighty KBC and PCJ: Radiograms this weekend","author":"Thomas","date":"April 13, 2013","format":false,"excerpt":"The Mighty KBC, the VOA and PCJ radio will broadcast radiograms (digital text) over shortwave radio this weekend. Reception conditions could be challenging depending on the impact of the incoming CME (Coronal Mass Ejection) which is expected to disrupt the high frequency bands today. All the more reason to attempt\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"KBCradio","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2011\/09\/KBCradio-300x212.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5858,"url":"https:\/\/swling.com\/blog\/2013\/03\/listen-to-the-giant-jukebox-this-weekend-on-7375-khz\/","url_meta":{"origin":2832,"position":5},"title":"Listen to The Giant Jukebox this weekend on 7,375 kHz","author":"Thomas","date":"March 9, 2013","format":false,"excerpt":"The Mighty KBC will be broadcasting the Giant Jukebox this weekend, Sunday (00:00 to 02:00 UTC) on their new\u00a07,375 kHz frequency. For those of us in North America, this broadcast will be Saturday evening (tonight!) from 19:00-21:00 EST. Last Sunday, March 3rd, 2013, was the KBC's first broadcast from Nauen,\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"Nauen Transmitter Station (Photo: Wikimedia Commons)","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/02\/414px-Sendeanlage_Nauen_Drehstandantenne-258x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/2832","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=2832"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/2832\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=2832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=2832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=2832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}