{"id":29875,"date":"2011-12-05T15:43:53","date_gmt":"2011-12-05T14:43:53","guid":{"rendered":"http:\/\/www.cqdx.ru\/ham\/?p=29875"},"modified":"2023-09-24T16:11:08","modified_gmt":"2023-09-24T16:11:08","slug":"rs-hl451-log-periodic-hf-antenna","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/new-equipment\/rs-hl451-log-periodic-hf-antenna\/","title":{"rendered":"R&amp;S\u00ae HL451 Log-Periodic HF Antenna"},"content":{"rendered":"<p>Rhode&amp;Schwarz HF 2 MHz to 30 MHz Transmission and reception of horizontally polarized antenna.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29878\" title=\"HL541 Antenna\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.40.59-PM.jpg\" alt=\"\" width=\"384\" height=\"373\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.40.59-PM.jpg 384w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.40.59-PM-300x291.jpg 300w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><\/p>\n<p>Reception from 2 MHz<br \/>\nTransmission from 5 MHz<br \/>\nUnshortened halfwave elements for high gain despite<\/p>\n<p>extremely small dimensions<br \/>\nEasy and quick assembly<br \/>\nLittle maintenance required<br \/>\nSuitable for roof mounting<\/p>\n<p><strong>Brief description<\/strong><\/p>\n<p>The compact, rotatable R&amp;S\u00aeHL451 log-periodic<br \/>\nHF antenna can be used for transmission and reception of horizontally polarized waves.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29876\" title=\"Screen Shot 2011-12-05 at 3.35.52 PM\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.35.52-PM.jpg\" alt=\"\" width=\"721\" height=\"201\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.35.52-PM.jpg 721w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.35.52-PM-300x84.jpg 300w\" sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/p>\n<p>Due to a transmission frequency range from 5 MHz to 30 MHz, the antenna is particularly suitable for communications over medium and long distances. Reception is possible from 2 MHz and thus covers all distances.<\/p>\n<p>The antenna has been optimized for small size.<br \/>\nDespitethe low limit of its frequency range, the R&amp;S\u00aeHL451 is no larger than any comparable antenna covering a range from only 6.2 MHz to 30 MHz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-29877\" title=\"Screen Shot 2011-12-05 at 3.38.11 PM\" src=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.38.11-PM.jpg\" alt=\"\" width=\"723\" height=\"415\" srcset=\"https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.38.11-PM.jpg 723w, https:\/\/www.cqdx.ru\/ham\/wp-content\/uploads\/2011\/12\/Screen-Shot-2011-12-05-at-3.38.11-PM-300x172.jpg 300w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><span style=\"color: #339966;\"><a href=\"https:\/\/www.cqdx.ru\/ham\/ham_video\/montage-rohde-schwarz-richtantenne-hl451\/\"><span style=\"color: #339966;\">HL451 Antenna Setup Video<\/span><\/a><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"color: #339966;\"><a href=\"http:\/\/www2.rohde-schwarz.com\/en\/products\/radiomonitoring\/antennas\/HL451.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #339966;\">Link<\/span><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rhode&amp;Schwarz HF 2 MHz to 30 MHz Transmission and reception of horizontally polarized antenna. Reception from 2 MHz Transmission from 5 MHz Unshortened halfwave elements for high gain despite extremely small dimensions Easy and quick assembly Little maintenance required Suitable for roof mounting Brief description The compact, rotatable R&amp;S\u00aeHL451 log-periodic HF antenna can be used&hellip;<\/p>\n","protected":false},"author":2,"featured_media":29887,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[46,211,304,368],"class_list":["post-29875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-new-equipment","tag-antennas","tag-hf","tag-new-equipment-2","tag-rs","category-8","description-off"],"_links":{"self":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/29875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/comments?post=29875"}],"version-history":[{"count":0,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/posts\/29875\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media\/29887"}],"wp:attachment":[{"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/media?parent=29875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/categories?post=29875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cqdx.ru\/ham\/wp-json\/wp\/v2\/tags?post=29875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}