{"id":145,"date":"2005-08-01T13:22:43","date_gmt":"2005-08-01T11:22:43","guid":{"rendered":"http:\/\/bitacora.eniac2000.com\/?p=145"},"modified":"2005-08-01T13:22:43","modified_gmt":"2005-08-01T11:22:43","slug":"record-de-transmision-inalambrica-500-km","status":"publish","type":"post","link":"https:\/\/bitacora.eniac2000.com\/?p=145","title":{"rendered":"R\u00e9cord de transmisi\u00f3n inal\u00e1mbrica: 500 km."},"content":{"rendered":"<p>Leo hoy en <a href=\"http:\/\/barrapunto.com\/articles\/05\/07\/31\/2220227.shtml\">Barrapunto<\/a> que se ha logrado un nuevo r\u00e9cord de distancia en transmisi\u00f3n de red v\u00eda inal\u00e1mbrica: 500 km.<\/p>\n<p>El grupo <a href=\"http:\/\/wiki.whatthehack.org\/index.php\/Wifi_over_500_km%3F_Impossible%3F\">Oftelsat<\/a>, de ingenieros inform\u00e1ticos y especialistas en radiofrecuencia han logrado una transmisi\u00f3n inal\u00e1mbrica de unos 500 km., de tal manera que ha sido posible llevar el acceso a internet a zonar rurales aisladas de la selva brasile\u00f1a.<\/p>\n<p>Personalmente me resisto a llamarlo WiFi, dado que no se ha utilizado la frecuencia de microondas, sino onda corta (2450 MHz frente a 2-10 MHz), pero ello no resta m\u00e9rito a la noticia. Dada la frencuencia utilizada, la transmisi\u00f3n ha sido de tipo ionosf\u00e9rico, es decir, utilizando la ionosfera como <em>espejo<\/em> para poder salvar la curvatura de la tierra, y lograr una distancia de transmisi\u00f3n mayor.<\/p>\n<p>Hay algunas fotograf\u00edas divertidas de <a href=\"http:\/\/wiki.whatthehack.org\/images\/4\/4d\/Mobile-unit2.jpg\">la unidad m\u00f3vil utilizada<\/a>, as\u00ed como interesantes estudios te\u00f3ricos de transmisi\u00f3n. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Leo hoy en Barrapunto que se ha logrado un nuevo<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":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":[13],"tags":[],"series":[],"class_list":["post-145","post","type-post","status-publish","format-standard","hentry","category-informatica"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=\/wp\/v2\/posts\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=145"}],"version-history":[{"count":0,"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=\/wp\/v2\/posts\/145\/revisions"}],"wp:attachment":[{"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=145"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/bitacora.eniac2000.com\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}