{"id":1092,"date":"2023-03-14T06:14:18","date_gmt":"2023-03-14T00:44:18","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=1092"},"modified":"2024-02-08T05:31:55","modified_gmt":"2024-02-08T00:01:55","slug":"assembling-my-new-cp22e-vhf-antenna","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/assembling-my-new-cp22e-vhf-antenna\/","title":{"rendered":"Assembling My New CP22E VHF Antenna"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Assembling My New CP22E VHF Antenna<\/span><\/h2>\n<p>Started assembling my new CP22E VHF antenna with the help of my son. Unpacked all the components and inspected them.<\/p>\n<figure id=\"attachment_1098\" aria-describedby=\"caption-attachment-1098\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1098 size-full\" src=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/Assembling-My-New-CP22E-VHF-Antenna-e1678754623914.jpg\" alt=\"Assembling My New CP22E VHF Antenna\" width=\"1200\" height=\"500\" srcset=\"https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/Assembling-My-New-CP22E-VHF-Antenna-e1678754623914.jpg 1200w, https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/Assembling-My-New-CP22E-VHF-Antenna-e1678754623914-300x125.jpg 300w, https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/Assembling-My-New-CP22E-VHF-Antenna-e1678754623914-1024x427.jpg 1024w, https:\/\/johnsonfrancis.org\/techworld\/wp-content\/uploads\/2023\/03\/Assembling-My-New-CP22E-VHF-Antenna-e1678754623914-768x320.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-1098\" class=\"wp-caption-text\"><strong><span style=\"color: #ff00ff;\">Assembling My New CP22E VHF Antenna<\/span><\/strong><\/figcaption><\/figure>\n<p>CP22E is a two-element 5\/8\u03bb stacked ground plane antenna with three radials. Upper and lower sections are assembled with the phase coil in between. One end of the phase coil is solid while the other end is open. Solid part is attached to the lower section. All these are fastened using the screws provided in the kit.<\/p>\n<p>Mounting pipe bolts are removed to detach it from the base coil assembly.<\/p>\n<p>Coaxial cable with PL259 connector is passed through the mounting pipe and tightened on to the SO239 connector at the bottom of the base coil assembly. Mounting pipe is reattached to the base coil with the bolts. Radials are then fastened to the base coil assembly and the nuts tightened.<\/p>\n<p>Video clip showing all the components of the CP22E antenna unpacked: <a href=\"https:\/\/youtube.com\/shorts\/q7LGoK8x5jA?feature=share\">https:\/\/youtube.com\/shorts\/q7LGoK8x5jA?feature=share<\/a> Mast brackets seen in this video clip are used to attach the mounting pipe to the antenna mast.<\/p>\n<p>Video clip of lower part of assembled CP22E VHF antenna with coaxial cable attached: <a href=\"https:\/\/youtube.com\/shorts\/D171Kp9LZ0o?feature=share\">https:\/\/youtube.com\/shorts\/D171Kp9LZ0o?feature=share<\/a>\u00a0The antenna has 6.5 dB gain over a half wave dipole. Antenna impedance is 50 Ohms. Length of the antenna is 8.9 feet. Nominal SWR is 1.5:1.<\/p>\n<p>10 meters of coaxial cable with PL259 connectors at both ends, seen soon after unpacking.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Assembling My New CP22E VHF Antenna Started assembling my new CP22E VHF antenna with the help of my son. Unpacked all the components and inspected them. CP22E is a two-element 5\/8\u03bb stacked ground plane antenna with three radials. Upper and lower sections are assembled with the phase coil in between. One end of the phase [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1098,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1092","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 v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Assembling My New CP22E VHF 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\/assembling-my-new-cp22e-vhf-antenna\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Assembling My New CP22E VHF Antenna - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"Assembling My New CP22E VHF Antenna Started assembling my new CP22E VHF antenna with the help of my son. 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