{"id":999,"date":"2018-05-01T17:21:30","date_gmt":"2018-05-01T15:21:30","guid":{"rendered":"http:\/\/tech4.pl\/SQ9MDD\/?p=999"},"modified":"2018-05-01T17:21:30","modified_gmt":"2018-05-01T15:21:30","slug":"endfeed-wakacyjny-kolejna-potyczka","status":"publish","type":"post","link":"https:\/\/sq9mdd.hamspirit.pl\/?p=999","title":{"rendered":"Endfeed wakacyjny, kolejna potyczka."},"content":{"rendered":"<p>Opisywa\u0142em ju\u017c wcze\u015bniej budow\u0119 anteny wakacyjnej, kt\u00f3ra pracuje na pasmach 40m, 20m, 15m, i 10m. Postanowi\u0142em j\u0105 zmodyfikowa\u0107 i przebudowa\u0107 j\u0105 tak by pracowa\u0142a r\u00f3wnie\u017c na pa\u015bmie 80m, kt\u00f3re jest najpopularniejszym z pasm do \u0142\u0105czno\u015bci w obr\u0119bie Polski.<br \/>\n<!--more-->Znalezione w sieci opisy tej anteny wskazywa\u0142y \u017ce musz\u0119 tylko przed\u0142u\u017cy\u0107 moj\u0105 anten\u0119 o uk\u0142ad cewki powietrznej 110uH oraz dodatkowy kawa\u0142ek promiennika o d\u0142ugo\u015bci 2,39m<\/p>\n<p>W szufladzie znalaz\u0142em drut nawojowy 0,5mm oraz rurk\u0119 instalacyjn\u0105 PCV o \u015brednicy 21,5mm. Dane tych materia\u0142\u00f3w pos\u0142u\u017cy\u0142y do oblicze\u0144 cewki. W tym celu skorzysta\u0142em z programu Mini Ring Core Calculator i po wprowadzeniu danych uzyska\u0142em liczb\u0119 potrzebnych zwoi by uzyska\u0107 indukcyjno\u015b\u0107 110uH.<\/p>\n<div id=\"attachment_1004\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1004\" rel=\"attachment wp-att-1004\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1004\" class=\"wp-image-1004 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/Zrzut-ekranu-2018-05-01-16.33.42-300x298.png\" alt=\"Zrzut ekranu 2018-05-01 16.33.42\" width=\"300\" height=\"298\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/Zrzut-ekranu-2018-05-01-16.33.42-300x298.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/Zrzut-ekranu-2018-05-01-16.33.42-150x150.png 150w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/Zrzut-ekranu-2018-05-01-16.33.42.png 585w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1004\" class=\"wp-caption-text\">Obliczenia cewki<\/p><\/div>\n<p>Gotow\u0105 cewk\u0119 umocowa\u0142em w miejscu dotychczasowego ko\u0144ca anteny a nast\u0119pnie odmierzy\u0142em dodatkowy kawa\u0142ek promiennika. gotow\u0105 anten\u0119 zapakowa\u0142em na rower i pojecha\u0142em zestroi\u0107 konstrukcj\u0119 w terenie.<\/p>\n<div id=\"attachment_1006\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1006\" rel=\"attachment wp-att-1006\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1006\" class=\"wp-image-1006 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/cewka-v.1.0-300x168.jpg\" alt=\"cewka-v.1.0\" width=\"300\" height=\"168\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/cewka-v.1.0-300x168.jpg 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/cewka-v.1.0-1024x575.jpg 1024w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/cewka-v.1.0-768x431.jpg 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/cewka-v.1.0-1536x863.jpg 1536w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/cewka-v.1.0.jpg 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1006\" class=\"wp-caption-text\">Cewka przed monta\u017cem w antenie.<\/p><\/div>\n<p>Wst\u0119pne pomiary wykaza\u0142y \u017ce antena dobrze pracuje na pasmach od 40m wzwy\u017c. Natomiast pasmo 80m jest jeszcze do dopracowania. Poni\u017cej wyniki pomiar\u00f3w:<\/p>\n<div id=\"attachment_1009\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1009\" rel=\"attachment wp-att-1009\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1009\" class=\"wp-image-1009 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/10m-300x156.png\" alt=\"10m\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/10m-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/10m-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/10m.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1009\" class=\"wp-caption-text\">Pomiary w pa\u015bmie 10m<\/p><\/div>\n<div id=\"attachment_1010\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1010\" rel=\"attachment wp-att-1010\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1010\" class=\"wp-image-1010 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/15m-300x156.png\" alt=\"15m\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/15m-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/15m-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/15m.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1010\" class=\"wp-caption-text\">Pomiary w pa\u015bmie 15m<\/p><\/div>\n<div id=\"attachment_1011\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1011\" rel=\"attachment wp-att-1011\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1011\" class=\"wp-image-1011 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/20m-300x156.png\" alt=\"20m\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/20m-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/20m-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/20m.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1011\" class=\"wp-caption-text\">Pomiary w pa\u015bmie 20m<\/p><\/div>\n<div id=\"attachment_1012\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1012\" rel=\"attachment wp-att-1012\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1012\" class=\"wp-image-1012 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/40m-300x156.png\" alt=\"40m\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/40m-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/40m-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/40m.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1012\" class=\"wp-caption-text\">Pomiary w pa\u015bmie 40m<\/p><\/div>\n<div id=\"attachment_1013\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1013\" rel=\"attachment wp-att-1013\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1013\" class=\"wp-image-1013 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/80m-300x156.png\" alt=\"80m\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/80m-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/80m-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/80m.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1013\" class=\"wp-caption-text\">Pomiary w pa\u015bmie 80m<\/p><\/div>\n<p>Jak wida\u0107 na powy\u017cszych rysunkach cz\u0119\u015b\u0107 na pasma od40m\u00a0 w g\u00f3r\u0119 nalezy skr\u00f3ci\u0107 natomiast, pasmo 80m wymaga zdecydowanej poprawy i tym tematem zajm\u0119 si\u0119 w nast\u0119pnej wolnej chwili.<\/p>\n<p><strong>02.05.2018 Update:<\/strong><br \/>\nKorzystaj\u0105c z chwili wolnego czasu, dokona\u0142em kilku kosmetycznych poprawek mojej anteny. Og\u00f3lnie jest nieco lepiej na wi\u0119kszo\u015bci z pasm. Jednak\u017ce w pa\u015bmie 40m minimum SWR przesun\u0105\u0142 si\u0119 nieco powy\u017cej ko\u0144ca pasma a 80m nadal stroi bardzo w\u0105sko ale ju\u017c w korzystniejszym miejscu na pa\u015bmie. Poni\u017cej zrzuty z pomiar\u00f3w, bie\u017c\u0105ce odczyty s\u0105 w kolorze \u017c\u00f3\u0142tym, a poprzednie na niebiesko, dla \u0142atwiejszego por\u00f3wnania.<\/p>\n<div id=\"attachment_1016\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1016\" rel=\"attachment wp-att-1016\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1016\" class=\"wp-image-1016 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/10m-2-300x156.png\" alt=\"10m-2\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/10m-2-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/10m-2-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/10m-2.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1016\" class=\"wp-caption-text\">10m po poprawkach, zdecydowana poprawa w g\u00f3rnej cz\u0119\u015bci pasma.<\/p><\/div>\n<div id=\"attachment_1017\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1017\" rel=\"attachment wp-att-1017\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1017\" class=\"wp-image-1017 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/15m-2-300x156.png\" alt=\"15m-2\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/15m-2-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/15m-2-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/15m-2.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1017\" class=\"wp-caption-text\">15m poprawa w ca\u0142ym pa\u015bmie<\/p><\/div>\n<div id=\"attachment_1018\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1018\" rel=\"attachment wp-att-1018\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1018\" class=\"wp-image-1018 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/20m-2-300x156.png\" alt=\"20m-2\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/20m-2-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/20m-2-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/20m-2.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1018\" class=\"wp-caption-text\">20m poprawa w g\u00f3rnej cz\u0119\u015bci pasma<\/p><\/div>\n<div id=\"attachment_1019\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1019\" rel=\"attachment wp-att-1019\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1019\" class=\"wp-image-1019 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/40m-2-300x156.png\" alt=\"40m-2\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/40m-2-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/40m-2-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/40m-2.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1019\" class=\"wp-caption-text\">40m, gorzej w dolnej cz\u0119\u015bci pasma lepiej tylko w g\u00f3rnej cz\u0119\u015bci<\/p><\/div>\n<div id=\"attachment_1020\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/10.9.48.151\/?attachment_id=1020\" rel=\"attachment wp-att-1020\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1020\" class=\"wp-image-1020 size-medium\" src=\"http:\/\/10.9.48.151\/wp-content\/uploads\/2018\/05\/80m-2-300x156.png\" alt=\"80m-2\" width=\"300\" height=\"156\" srcset=\"https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/80m-2-300x156.png 300w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/80m-2-768x399.png 768w, https:\/\/sq9mdd.hamspirit.pl\/wp-content\/uploads\/2018\/05\/80m-2.png 1025w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1020\" class=\"wp-caption-text\">80m, \u015brodek przesuni\u0119ty odrobin\u0119 ni\u017cej<\/p><\/div>\n<p>Jak wida\u0107 temat dobrego zestrojenia nawet tak prostej anteny nie jest prosty i mo\u017cna sp\u0119dzi\u0107 naprawd\u0119 du\u017co czasu pr\u00f3buj\u0105c znale\u017a\u0107 najlepsze rozwi\u0105zanie.<\/p>\n<p>R.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Opisywa\u0142em ju\u017c wcze\u015bniej budow\u0119 anteny wakacyjnej, kt\u00f3ra pracuje na pasmach 40m, 20m, 15m, i 10m. Postanowi\u0142em j\u0105 zmodyfikowa\u0107 i przebudowa\u0107 j\u0105 tak by pracowa\u0142a r\u00f3wnie\u017c na pa\u015bmie 80m, kt\u00f3re jest najpopularniejszym z pasm do \u0142\u0105czno\u015bci w obr\u0119bie Polski.<\/p>\n","protected":false},"author":2,"featured_media":1007,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-999","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diy"],"_links":{"self":[{"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=\/wp\/v2\/posts\/999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=999"}],"version-history":[{"count":0,"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=\/wp\/v2\/posts\/999\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=\/wp\/v2\/media\/1007"}],"wp:attachment":[{"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sq9mdd.hamspirit.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}