{"id":42075,"date":"2020-02-21T08:02:08","date_gmt":"2020-02-21T12:02:08","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=42075"},"modified":"2020-02-21T08:02:08","modified_gmt":"2020-02-21T12:02:08","slug":"video-the-bell-telephone-1940s-era-mobile-network","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2020\/02\/video-the-bell-telephone-1940s-era-mobile-network\/","title":{"rendered":"Video: The Bell Telephone 1940s era mobile network"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/02\/Mobile-Telephones.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-42076\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/02\/Mobile-Telephones.jpeg\" alt=\"\" width=\"680\" height=\"425\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/02\/Mobile-Telephones.jpeg 680w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/02\/Mobile-Telephones-300x188.jpeg 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2020\/02\/Mobile-Telephones-624x390.jpeg 624w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/a><\/p>\n<p>Earlier this week, I stumbled upon this <a href=\"https:\/\/youtu.be\/xDy2tHCPdk8\" target=\"_blank\" rel=\"noopener noreferrer\">Bell Telephone short film<\/a> about the beginnings of the mobile phone network:<\/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\/xDy2tHCPdk8?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>I don&#8217;t know about you, but I love the view inside the trunk of the car! I bet that tube receiver and transmitter both weighed over 100 pounds. Although the system wasn&#8217;t full duplex, it must have felt pretty amazing to place phone calls while mobile.<\/p>\n<p>For more vintage films like this one, check out the <a href=\"https:\/\/www.youtube.com\/channel\/UCddem5RlB3bQe99wyY49g0g\" target=\"_blank\" rel=\"noopener noreferrer\">Periscope Film YouTube channel<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earlier this week, I stumbled upon this Bell Telephone short film about the beginnings of the mobile phone network: I don&#8217;t know about you, but I love the view inside the trunk of the car! I bet that tube receiver and transmitter both weighed over 100 pounds. Although the system wasn&#8217;t full duplex, it must [&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":[3,304,4796],"tags":[8326,3222,8327,681],"class_list":["post-42075","post","type-post","status-publish","format-standard","hentry","category-news","category-videos","category-vintage-radio","tag-bell-telephone","tag-mobile","tag-periscope-film","tag-vintage-radio"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-aWD","jetpack-related-posts":[{"id":41103,"url":"https:\/\/swling.com\/blog\/2019\/12\/video-tube-radio-transmitter-designs-from-the-1920s\/","url_meta":{"origin":42075,"position":0},"title":"Video: Tube radio transmitter designs from the 1920s","author":"Thomas","date":"December 7, 2019","format":false,"excerpt":"Many thanks to SWLing Post contributor, Paul Evans (W4\/VP9KF), who shares the following article from Hackaday: The origin of the term \u201cbreadboard\u201d comes from an amusing past when wooden bread boards were swiped from kitchens and used as a canvas for radio hobbyists to roll homemade capacitors, inductors, and switches.\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\/2019\/12\/Antique-Radio.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/12\/Antique-Radio.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/12\/Antique-Radio.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/12\/Antique-Radio.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52335,"url":"https:\/\/swling.com\/blog\/2022\/04\/the-cooling-radio-station-musa-the-ultimate-ssb-receiving-site\/","url_meta":{"origin":42075,"position":1},"title":"The Cooling Radio Station &#038; MUSA: The Ultimate SSB Receiving Site","author":"Thomas","date":"April 1, 2022","format":false,"excerpt":"Many thanks to SWLing Post contributor, Mark (AE2EA), who shares the following video from the Antique Wireless Association. Here's the video description: Cooling Radio Station was at the UK end of a point-to-point, shortwave signal beamed from Lawrenceville, New Jersey. The site of the station was carefully selected as 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\/2022\/04\/Ionosphere-Rugby-Shortwave-1.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/04\/Ionosphere-Rugby-Shortwave-1.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/04\/Ionosphere-Rugby-Shortwave-1.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/04\/Ionosphere-Rugby-Shortwave-1.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2022\/04\/Ionosphere-Rugby-Shortwave-1.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":17638,"url":"https:\/\/swling.com\/blog\/2016\/03\/radio-time-travel-brians-1974-shortwave-radio-recording\/","url_meta":{"origin":42075,"position":2},"title":"Radio Time Travel: Brian&#8217;s 1974 shortwave radio recording","author":"Thomas","date":"March 7, 2016","format":false,"excerpt":"Many thanks to SWLing Post and SRAA\u00a0contributor, Brian D. Smith (W9IND),\u00a0for the following guest post and recording. Note that Brian could use your help to ID a few unidentified broadcasters in this recording. If you can help, please comment: Shortwave Radio 1974: Canada, Argentina, Spain, West Germany, Albania, utility stations\u2026","rel":"","context":"In &quot;Broadcasters&quot;","block_context":{"text":"Broadcasters","link":"https:\/\/swling.com\/blog\/category\/broadcasters\/"},"img":{"alt_text":"HalliDial","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial.jpg?resize=700%2C400 2x"},"classes":[]},{"id":14453,"url":"https:\/\/swling.com\/blog\/2015\/08\/guest-post-brians-1974-mix-tape-of-off-air-shortwave-radio-recordings\/","url_meta":{"origin":42075,"position":3},"title":"Guest Post: Brian&#8217;s 1974 mix tape of off-air shortwave radio recordings","author":"Thomas","date":"August 29, 2015","format":false,"excerpt":"Many thanks to SWLing Post\u00a0and Shortwave Radio Audio Archive contributor, Brian Smith, for the following guest post and vintage recording: Shortwave Radio 1974: Canada, Argentina, Spain, West Germany, Albania, utility stations -Brian Smith (W9IND) Want to know what shortwave radio sounded like in 1974? This 55-minute recording, recovered from a\u2026","rel":"","context":"In &quot;Guest Posts&quot;","block_context":{"text":"Guest Posts","link":"https:\/\/swling.com\/blog\/category\/guest-posts\/"},"img":{"alt_text":"HalliDial","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial-1024x400.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial-1024x400.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/08\/HalliDial-1024x400.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":21528,"url":"https:\/\/swling.com\/blog\/2016\/09\/rare-hitachi-kw-wsi-worldspace-receiver-on-ebay\/","url_meta":{"origin":42075,"position":4},"title":"Rare Hitachi KW-WSI WorldSpace Receiver on Ebay","author":"Guy Atkins","date":"September 25, 2016","format":false,"excerpt":"This is the first and only \"WorldSpace\" satellite receiver I've seen on Ebay, currently offered at a $175 Buy-It-Now price from a seller in Australia: http:\/\/www.ebay.com\/itm\/HITACHI-KW-WSI-DIGITAL-RECEIVER-WS-FM-MW-SW1-SW2-\/282192383263 The radio is listed as in excellent condition with the original box and literature. Besides the long-gone WorldSpace satellite frequencies, the radio covers medium\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"hitachi-kw-wsi","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/09\/HITACHI-KW-WSI-229x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5719,"url":"https:\/\/swling.com\/blog\/2013\/02\/trevor-baylis-in-the-vintage-vault\/","url_meta":{"origin":42075,"position":5},"title":"Trevor Baylis in the Vintage Vault","author":"Thomas","date":"February 22, 2013","format":false,"excerpt":"Earlier this week, I posted an article about wind-up (clockwork) radio inventor, Trevor Baylis. I recently discovered a 1995 episode of RNW's Media Network, which featured Baylis--and the clockwork radio--in the context of inventions that would carry us\u00a0beyond\u00a0the new millenium: (Source: Media Network Vintage Vault) Remember Trevor Baylis and the\u2026","rel":"","context":"In &quot;Articles&quot;","block_context":{"text":"Articles","link":"https:\/\/swling.com\/blog\/category\/articles\/"},"img":{"alt_text":"RNW-MediaNetwork","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2013\/02\/RNW-MediaNetwork-300x287.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\/42075","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=42075"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/42075\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=42075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=42075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=42075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}