From 06329330b16ea17b7c455ad48d0e4080058f72bc Mon Sep 17 00:00:00 2001 From: Dominic Reich Date: Sat, 24 Feb 2024 22:28:39 +0100 Subject: [PATCH] update draft post of 20m dipole --- .../antennas/homebrew-20m-dipole/index.md | 39 ------------------ .../dipole-20m-folded-feature.jpg | 3 ++ .../antennas/homebrew-dipole-for-20m/index.md | 40 +++++++++++++++++++ 3 files changed, 43 insertions(+), 39 deletions(-) delete mode 100644 content/equipment/antennas/homebrew-20m-dipole/index.md create mode 100644 content/equipment/antennas/homebrew-dipole-for-20m/dipole-20m-folded-feature.jpg create mode 100644 content/equipment/antennas/homebrew-dipole-for-20m/index.md diff --git a/content/equipment/antennas/homebrew-20m-dipole/index.md b/content/equipment/antennas/homebrew-20m-dipole/index.md deleted file mode 100644 index d9f8b9b..0000000 --- a/content/equipment/antennas/homebrew-20m-dipole/index.md +++ /dev/null @@ -1,39 +0,0 @@ ---- -title: Homebrew 20m Dipole -summary: -date: 2023-04-23T08:51:00+02:00 -lastmod: -#categories: -#- amateur-radio -#tags: -#- homebrew -#- dipole - -showBreadcrumbs: true -# showDate: false -showReadingTime: false -showWordCount: false -# showPagination: false - -# feed_exclude: true -# site_exclude: true - -draft: true - ---- - -Beside some other little tryouts this is probably the first -antenna that I built myself. It works without a tuner (depending -on the actual position of the antenna). - -My first contact with this antenna was into Israel (~2629 km) with my -older FT-891. It was contest time and I actually replied to a contest -station because I thought nobody would hear me because of my crappy -antenna but I found myself picked up by that contest station from Israel. - -The resulting report of _59_ would not mean anything but at least I knew -the antenna was working just fine. - -I got a SWR of about 1:1 (1.02) when I measured the antenna in an L -configuration -- approx. 1-1.5m above the ground. - diff --git a/content/equipment/antennas/homebrew-dipole-for-20m/dipole-20m-folded-feature.jpg b/content/equipment/antennas/homebrew-dipole-for-20m/dipole-20m-folded-feature.jpg new file mode 100644 index 0000000..f426edd --- /dev/null +++ b/content/equipment/antennas/homebrew-dipole-for-20m/dipole-20m-folded-feature.jpg @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:b6fe41c70f9f9b035a9d3fe3a7a1164c9edddd99812cc67f800cd7afeb55d5d0 +size 339891 diff --git a/content/equipment/antennas/homebrew-dipole-for-20m/index.md b/content/equipment/antennas/homebrew-dipole-for-20m/index.md new file mode 100644 index 0000000..0805726 --- /dev/null +++ b/content/equipment/antennas/homebrew-dipole-for-20m/index.md @@ -0,0 +1,40 @@ +--- +title: Homebrew dipole for 20m +summary: This is my non-plus-ultra antenna. Often used at home. +date: 2023-04-23T08:51:00+02:00 +coverCaption: Homebrew dipole for the 20m band made from 1.5mm² speaker cable +lastmod: 2024-02-24T21:28:39+0000 +#categories: +#- amateur-radio +#tags: +#- homebrew +#- dipole + +showBreadcrumbs: true +# showDate: false +showReadingTime: false +showWordCount: false +# showPagination: false + +# feed_exclude: true +# site_exclude: true + +draft: true + +--- + +I am very happy with this antenna -- it is very compact when fold together +and also quite compact when hung from on a mast. It takes about 5m into one +direction and about 6m up on the mast. + +There is one disadvantage of this antenna: it is only for one frequency, but +I usually achieve an SWR of about 1:1.1 instantly when I deploy this antenna +at home in my garden. + +I made my fist SSB QSO with this antenna into Israel (about 2600km) with a +Yaesu FT-891. + +Most of my Winlink sessions from home include this antenna as it takes minimal +space and I work a winlink gateway in France or the Netherlands quickly (they +respond often within the first request). +