{"id":1172,"date":"2023-03-22T05:31:50","date_gmt":"2023-03-22T00:01:50","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=1172"},"modified":"2024-02-08T05:40:37","modified_gmt":"2024-02-08T00:10:37","slug":"5-8-%ce%bb-vertical-antenna","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/5-8-%ce%bb-vertical-antenna\/","title":{"rendered":"5\/8 \u03bb Vertical Antenna"},"content":{"rendered":"<h2><span style=\"color: #008000;\">5\/8 \u03bb Vertical Antenna<\/span><\/h2>\n<p>Recently I installed a CP22E Antenna which is a stacked two element 5\/8 \u03bb Vertical Antenna with a phasing coil in between. 5\/8 \u03bb Vertical Antenna has a length a little more than the usual quarter wave length vertical antenna. It has a similar low angle of radiation useful for local contacts. Hence it is a popular form of mobile antenna which can be mounted on a car. Mounting can be with a magnetic base so that it avoids drilling the car chassis, with obvious advantages when you consider resale of the car.<\/p>\n<figure id=\"attachment_1176\" aria-describedby=\"caption-attachment-1176\" style=\"width: 1219px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1176 size-full\" src=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/5-8-\u03bb-Vertical-Antenna-e1679443230310.jpg\" alt=\"5\/8 \u03bb Vertical Antenna\" width=\"1219\" height=\"536\" srcset=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/5-8-\u03bb-Vertical-Antenna-e1679443230310.jpg 1219w, https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/5-8-\u03bb-Vertical-Antenna-e1679443230310-300x132.jpg 300w, https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/5-8-\u03bb-Vertical-Antenna-e1679443230310-1024x450.jpg 1024w, https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/5-8-\u03bb-Vertical-Antenna-e1679443230310-768x338.jpg 768w\" sizes=\"auto, (max-width: 1219px) 100vw, 1219px\" \/><figcaption id=\"caption-attachment-1176\" class=\"wp-caption-text\"><strong><span style=\"color: #ff00ff;\">5\/8 \u03bb Vertical Antenna<\/span><\/strong><\/figcaption><\/figure>\n<p>A matching coil is provided at the base of the antenna to give good impedance matching like that of a 3\/4 \u03bb Vertical Antenna. Under ideal conditions, 5\/8 \u03bb Vertical Antenna has a 4 dB gain over a quarter wave vertical antenna. When it is mounted on the car, the car body acts as the ground plane. 5\/8 \u03bb Vertical Antenna mounted on a car is typically used for VHF and UHF amateur radios. It can be used as an HF antenna for a base station as well. In that case, the low angle of radiation will be useful for DX contacts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>5\/8 \u03bb Vertical Antenna Recently I installed a CP22E Antenna which is a stacked two element 5\/8 \u03bb Vertical Antenna with a phasing coil in between. 5\/8 \u03bb Vertical Antenna has a length a little more than the usual quarter wave length vertical antenna. It has a similar low angle of radiation useful for local [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1176,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amateur-radio-ham-radio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5\/8 \u03bb Vertical Antenna - Johnson&#039;s Techworld<\/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:\/\/johnsonfrancis.org\/techworld\/5-8-\u03bb-vertical-antenna\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5\/8 \u03bb Vertical Antenna - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"5\/8 \u03bb Vertical Antenna Recently I installed a CP22E Antenna which is a stacked two element 5\/8 \u03bb Vertical Antenna with a phasing coil in between. 5\/8 \u03bb Vertical Antenna has a length a little more than the usual quarter wave length vertical antenna. 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