{"id":11920,"date":"2015-03-06T15:25:01","date_gmt":"2015-03-06T15:25:01","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=11920"},"modified":"2015-03-18T11:41:46","modified_gmt":"2015-03-18T11:41:46","slug":"investigating-interference-vdsl","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/news\/gb2rs\/headlines\/2015\/03\/06\/investigating-interference-vdsl\/","title":{"rendered":"Investigating interference from VDSL"},"content":{"rendered":"<p>The <a href=\"https:\/\/rsgb.org\/main\/about-us\/committees\/electromagnetic-compatibility-committee\/\" target=\"_blank\">EMC Committee<\/a> is carrying out an investigation of the significance of interference to amateur radio from <a href=\"http:\/\/en.wikipedia.org\/wiki\/Very-high-bit-rate_digital_subscriber_line\" target=\"_blank\">VDSL<\/a> broadband.<\/p>\n<p>Where emissions occur from a normally working VDSL system the noise is continuous twenty-four-seven and sounds like white noise.<\/p>\n<p>Occasionally, when the VDSL system is faulty or disturbed by large external signals, different emissions may be observed as the system attempts to re-connect and re-train.<\/p>\n<p>A request for information has been posted on the <a href=\"http:\/\/forums.thersgb.org\/index.php?forums\/emcmatters\/\" target=\"_blank\">RSGB EMC Forum<\/a> under <a href=\"http:\/\/forums.thersgb.org\/index.php?forums\/investigations-new-technology\/\" target=\"_blank\">Investigations New Technology<\/a>.<\/p>\n<p>Please visit the forum and post observations there or alternatively send any information by email to emc.chairman@rsgb.org.uk.<\/p>\n<p>The intention of the investigation is to get a general picture of how often emissions occur, so please report emissions on the forum or to the EMC Committee even if they don\u2019t affect your particular amateur activity.<\/p>\n<p>Interference can occur whether or not you have VDSL broadband in your own home.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The EMC Committee is carrying out an investigation of the significance of interference to amateur radio from VDSL broadband. Where emissions occur from a normally working VDSL system the noise is continuous twenty-four-seven and sounds like white noise. Occasionally, when the VDSL system is faulty or disturbed by large external signals, different emissions may be [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":11931,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[274,47],"tags":[],"class_list":["post-11920","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-front-page-news","category-headlines"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/11920","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/comments?post=11920"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/11920\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media\/11931"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=11920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=11920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=11920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}