{"id":1978,"date":"2010-04-16T19:00:59","date_gmt":"2010-04-16T19:00:59","guid":{"rendered":"http:\/\/www.andrewgrantham.co.uk\/soundmirrors\/?p=1978"},"modified":"2010-04-16T19:00:59","modified_gmt":"2010-04-16T19:00:59","slug":"denge-mirrors-at-exploring-kents-past","status":"publish","type":"post","link":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/denge-mirrors-at-exploring-kents-past\/","title":{"rendered":"Denge mirrors at Exploring Kent&#8217;s Past"},"content":{"rendered":"<p>&#8220;Acoustic Sound Mirrors at Greatstone-on-Sea, Lydd&#8221; at Kent County Council&#8217;s <a href=\"http:\/\/extranet7.kent.gov.uk\/ExploringKentsPast\/SingleResult.aspx?uid=MKE3769\">Exploring Kent&#8217;s Past<\/a>.<\/p>\n<blockquote><p><q>The remains of three large concrete structures, formerly an anti-aircraft Acoustic Detection installation. Microphones were attached to the three reinforced concrete structures in order to pick up the sound of approaching enemy aircraft. The smallest &#8216;sound mirror&#8217; was found to be fairly ineffective so it was superseded by a larger dish, 12 m in diameter. This in turn was replaced by a 70m long &#8216;sound wall&#8217;. The structures were built by the RAF between 1930-4. They were rendered obsolete by the introduction of radar in 1935, and by advances in aerial technology.<\/q><br \/>\n<cite>Source: <a href=\"http:\/\/extranet7.kent.gov.uk\/ExploringKentsPast\/SingleResult.aspx?uid=MKE3769\">Exploring Kent&#8217;s Past<\/a><\/cite>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Acoustic Sound Mirrors at Greatstone-on-Sea, Lydd&#8221; at Kent County Council&#8217;s Exploring Kent&#8217;s Past. The remains of three large concrete structures, formerly an anti-aircraft Acoustic Detection installation. Microphones were attached to the three reinforced concrete structures in order to pick up the sound of approaching enemy aircraft. The smallest &#8216;sound mirror&#8217; was found to be fairly [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6,7,9],"tags":[23],"class_list":["post-1978","post","type-post","status-publish","format-standard","hentry","category-history","category-individual-mirrors","category-links","category-sound-mirrors","tag-denge"],"_links":{"self":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts\/1978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/comments?post=1978"}],"version-history":[{"count":0,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/posts\/1978\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/media?parent=1978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/categories?post=1978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.andrewgrantham.co.uk\/soundmirrors\/wp-json\/wp\/v2\/tags?post=1978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}