{"id":1495,"date":"2010-11-05T15:56:00","date_gmt":"2010-11-05T02:56:00","guid":{"rendered":"https:\/\/builderscrack.co.nz\/blog\/?p=1495"},"modified":"2021-01-22T00:58:28","modified_gmt":"2021-01-21T11:58:28","slug":"antenna-installer-what-do-they-do","status":"publish","type":"post","link":"https:\/\/builderscrack.co.nz\/blog\/project-advice\/advice-other\/antenna-installer-what-do-they-do.html","title":{"rendered":"Antenna Installers &#8211; what do they do?"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1148.16px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><a href=\"https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/ant.jpg\"><img decoding=\"async\" class=\"alignnone size-full wp-image-7099\" src=\"https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do.jpg\" alt=\"Antenna Installers what do they do\" width=\"1200\" height=\"600\" srcset=\"https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-200x100.jpg 200w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-400x200.jpg 400w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-500x250.jpg 500w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-600x300.jpg 600w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-768x384.jpg 768w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-800x400.jpg 800w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do-1000x500.jpg 1000w, https:\/\/builderscrack.co.nz\/blog\/wp-content\/uploads\/2010\/11\/Antena-Intallers-what-do-they-do.jpg 1200w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><strong>An antenna installer is a tradesperson who specialises in antenna installation. The installation procedure is often based on a number of factors; reception quality for the area, house construction, type of antenna and mounting and number of outlets required.<\/strong><!--more--><\/p>\n<p>Antennae are generally mounted as high as possible in primary reception areas with few obstructions.<\/p>\n<p>In New Zealand, it may be necessary for an antenna installer to point two or three antennas in different directions in order to receive signals for all channels.<\/p>\n<p>A channel is the frequency on which a program is transmitted. There are high and low bands each for a different VHF channels. The same program is transmitted on differing channels nationwide to avoid any interference.<\/p>\n<h3>Key terminology used by an antenna installer includes:<\/h3>\n<ul>\n<li>Diplexer &#8211; Combines the signals from both VHF and UHF antennas into one cable to connect to the wall plate or television.<\/li>\n<li>Amplifiers &#8211; Used to boost the signal to ensure that an adequate signal is fed to each TV.<\/li>\n<li>Dipole &#8211; The fundamental form of aerial.<\/li>\n<li>Matching &#8211; An antenna must be matched into the load.<\/li>\n<li>Gain &#8211; The improvement in signal level in decibels given by a particular antenna, compared to a standard reference antenna.<\/li>\n<li>Front to back ratio &#8211; The ratio of signal strength picked up by the front of the antenna compared to the signal picked up by the rear.<\/li>\n<li>Reflector &#8211; An element slightly longer than half a wavelength spaced at a small distance behind the dipole to improve front-to-back ratio.<\/li>\n<li>Ghosts &#8211; When a signal is reflected from an obstruction such as a building and arrives later than the direct signal causing multiple images or ghosts to appear on the TV screen.<\/li>\n<li>Splitter &#8211; A device for feeding two or more receivers from one antenna cable.<\/li>\n<\/ul>\n<p>Tools commonly used in antenna installation include; Coaxial cable strippers, Coax cable, crimpers, Coax cable insertion tools, Site survey tools, Satellite Dish Alignment Tools.<\/p>\n<p>With the switch from analog to Digital TV, you may need to get a <a href=\"http:\/\/www.freeviewnz.tv\/\">Freeview<\/a> antenna installed, so <a href=\"http:\/\/builderscrack.co.nz\/post-job\">hire an antenna installer<\/a> today.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>An antenna installer is a tradesperson who specialises  &#8230;<\/p>\n","protected":false},"author":10,"featured_media":7099,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[990],"tags":[945],"class_list":["post-1495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advice-other","tag-945"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Antenna Installers - what do they do?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/builderscrack.co.nz\/blog\/project-advice\/advice-other\/antenna-installer-what-do-they-do.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Antenna Installers - what do they do?\" \/>\n<meta property=\"og:description\" content=\"An antenna installer is a tradesperson who specialises ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/builderscrack.co.nz\/blog\/project-advice\/advice-other\/antenna-installer-what-do-they-do.html\" \/>\n<meta property=\"og:site_name\" content=\"Builderscrack Blog - Home Repair &amp; 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