From b2fcc1eec940976ead4c88909f962974f9c637fb Mon Sep 17 00:00:00 2001 From: Kevin Matsubara Date: Fri, 9 Jan 2026 16:50:23 +0100 Subject: [PATCH] Add NVIS antenna page to Radio section. --- portfolio/en/radio.html | 12 + portfolio/images/.gitignore | 1 + portfolio/jp/radio.html | 12 + portfolio/nl/radio.html | 12 + portfolio/pages/en/radio/antenna/nvis.md | 363 +++++++++++++++++++++++ portfolio/pages/jp/radio/antenna/nvis.md | 344 +++++++++++++++++++++ portfolio/pages/nl/radio/antenna/nvis.md | 363 +++++++++++++++++++++++ 7 files changed, 1107 insertions(+) create mode 100644 portfolio/pages/en/radio/antenna/nvis.md create mode 100644 portfolio/pages/jp/radio/antenna/nvis.md create mode 100644 portfolio/pages/nl/radio/antenna/nvis.md diff --git a/portfolio/en/radio.html b/portfolio/en/radio.html index 4fa2848..296b4f3 100644 --- a/portfolio/en/radio.html +++ b/portfolio/en/radio.html @@ -10,6 +10,18 @@ language: "en"

Here I post my notes on the hobby.

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+ +

Antenna

+ + + +
+

Field days

diff --git a/portfolio/images/.gitignore b/portfolio/images/.gitignore index 818476d..5b78193 100644 --- a/portfolio/images/.gitignore +++ b/portfolio/images/.gitignore @@ -1,2 +1,3 @@ plamo/* +radio/* software/* \ No newline at end of file diff --git a/portfolio/jp/radio.html b/portfolio/jp/radio.html index c2ede72..93ec2cc 100644 --- a/portfolio/jp/radio.html +++ b/portfolio/jp/radio.html @@ -10,6 +10,18 @@ language: "jp"

ここには、メモを載のせています。

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+ +

アンテナ

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+

フィルドデイ

diff --git a/portfolio/nl/radio.html b/portfolio/nl/radio.html index 894446f..c4797f6 100644 --- a/portfolio/nl/radio.html +++ b/portfolio/nl/radio.html @@ -10,6 +10,18 @@ language: "nl"

Hier plaats ik mijn notities over de hobby.

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+ +

Antennes

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+

Velddagen

diff --git a/portfolio/pages/en/radio/antenna/nvis.md b/portfolio/pages/en/radio/antenna/nvis.md new file mode 100644 index 0000000..7814470 --- /dev/null +++ b/portfolio/pages/en/radio/antenna/nvis.md @@ -0,0 +1,363 @@ +--- +logosub: "HAM Radio" +language: "en" +title: "NVIS" +date: "2024-03-09" +--- + +This [Near vertical incidence skywave antenna](https://en.wikipedia.org/wiki/Near_vertical_incidence_skywave) was made for me by PA0ABG. + +
+ + + + N V I S setup diagram + +
+ + NVIS setup diagram + +
+
+ +A [FR-4 PCB](https://en.wikipedia.org/wiki/FR-4) is used. Half of it was scraped off for this design. + +
+ + + + N V I S P C B scrape + +
+ + NVIS PCB scrape + +
+
+ +
+ + + + N V I S P C B + +
+ + NVIS PCB + +
+
+ +
+ + + + N V I S P C B liquid tape + +
+ + NVIS PCB liquid tape + +
+
+ +
+ + + + N V I S coax connector + +
+ + NVIS coax connector + +
+
+ +
+ + + + N V I S P C B + +
+ + NVIS PCB + +
+
+ +The antenne wires, coiled on a piece of pipe. + +
+ + + + N V I S wire coils + +
+ + NVIS wire coils + +
+
+ +## Diagrams + +Some 3d plots of this antenna on 10, 17, 20, 40 and 80 meters made with EZNEC software by PA0ABG. The antenna is most effective on 20, 40 and 80 meters, where the waves go upwards. + +
+ + + + N V I S 10 meter 28 mega hertz diagram top + +
+ + NVIS 10 meter 28 mega hertz diagram top + +
+
+ +
+ + + + N V I S 10 meter 28 mega hertz diagram side + +
+ + NVIS 10 meter 28 mega hertz diagram side + +
+
+ +
+ + + + N V I S 17 meter 18 mega hertz diagram + +
+ + NVIS 17 meter 18 mega hertz diagram + +
+
+ +
+ + + + N V I S 20 meter 14 mega hertz diagram + +
+ + NVIS 20 meter 14 mega hertz diagram + +
+
+ +
+ + + + N V I S 20 meter 14 mega hertz diagram + +
+ + NVIS 20 meter 14 mega hertz diagram + +
+
+ +
+ + + + N V I S 40 meter 7 mega hertz diagram + +
+ + NVIS 40 meter 7 mega hertz diagram + +
+
+ +
+ + + + N V I S 80 meter 3.5 mega hertz diagram + +
+ + NVIS 80 meter 3.5 mega hertz diagram + +
+
+ +The antenna deployed in the field. + +
+ + + + N V I S antenna + +
+ + NVIS antenna + +
+
diff --git a/portfolio/pages/jp/radio/antenna/nvis.md b/portfolio/pages/jp/radio/antenna/nvis.md new file mode 100644 index 0000000..5935420 --- /dev/null +++ b/portfolio/pages/jp/radio/antenna/nvis.md @@ -0,0 +1,344 @@ +--- +logosub: "アマチュア無線家" +language: "jp" +title: "NVIS" +date: "2024-03-09" +--- + + + +
+ + + + N V I S setup diagram + +
+ + NVIS setup diagram + +
+
+ +A [FR-4 PCB](https://en.wikipedia.org/wiki/FR-4) is used. Half of it was scraped off for this design. + +
+ + + + N V I S P C B scrape + +
+ + NVIS PCB scrape + +
+
+ +
+ + + + N V I S P C B + +
+ + NVIS PCB + +
+
+ +
+ + + + N V I S P C B liquid tape + +
+ + NVIS PCB liquid tape + +
+
+ +
+ + + + N V I S coax connector + +
+ + NVIS coax connector + +
+
+ +
+ + + + N V I S P C B + +
+ + NVIS PCB + +
+
+ +The antenne wires, coiled on a piece of pipe. + +
+ + + + N V I S wire coils + +
+ + NVIS wire coils + +
+
+ +## Diagrams + +Some 3d plots of this antenna on 10, 17, 20, 40 and 80 meters made with EZNEC software by PA0ABG. The antenna is most effective on 20, 40 and 80 meters, where the waves go upwards. + +
+ + + + N V I S 10 meter 28 mega hertz diagram boven + +
+ + NVIS 10 meter 28 mega hertz diagram top + +
+
+ +
+ + + + N V I S 10 meter 28 mega hertz diagram side + +
+ + NVIS 10 meter 28 mega hertz diagram side + +
+
+ +
+ + + + N V I S 17 meter 18 mega hertz diagram + +
+ + NVIS 17 meter 18 mega hertz diagram + +
+
+ +
+ + + + N V I S 20 meter 14 mega hertz diagram + +
+ + NVIS 20 meter 14 mega hertz diagram + +
+
+ +
+ + + + N V I S 40 meter 7 mega hertz diagram + +
+ + NVIS 40 meter 7 mega hertz diagram + +
+
+ +
+ + + + N V I S 80 meter 3.5 mega hertz diagram + +
+ + NVIS 80 meter 3.5 mega hertz diagram + +
+
+ +The antenna deployed in the field. + +
+ + + + N V I S antenna + +
+ + NVIS antenna + +
+
diff --git a/portfolio/pages/nl/radio/antenna/nvis.md b/portfolio/pages/nl/radio/antenna/nvis.md new file mode 100644 index 0000000..e842c62 --- /dev/null +++ b/portfolio/pages/nl/radio/antenna/nvis.md @@ -0,0 +1,363 @@ +--- +logosub: "Radiozendamateur" +language: "nl" +title: "NVIS" +date: "2024-03-09" +--- + +Deze [Near vertical incidence skywave antenne](https://en.wikipedia.org/wiki/Near_vertical_incidence_skywave) was voor me gemaakt door PA0ABG. + +
+ + + + N V I S setup diagram + +
+ + NVIS setup diagram + +
+
+ +Een [FR-4 PCB](https://en.wikipedia.org/wiki/FR-4) was gebruikt. De helft is er af geschraapt voor het design. + +
+ + + + N V I S P C B scrape + +
+ + NVIS PCB schrapen + +
+
+ +
+ + + + N V I S P C B + +
+ + NVIS PCB + +
+
+ +
+ + + + N V I S P C B vloeibare maskering + +
+ + NVIS PCB vloeibare maskering + +
+
+ +
+ + + + N V I S coax connector + +
+ + NVIS coax connector + +
+
+ +
+ + + + N V I S P C B + +
+ + NVIS PCB + +
+
+ +The antenne wires, coiled on a piece of pipe. + +
+ + + + N V I S draadspoelen + +
+ + NVIS draadspoelen + +
+
+ +## Diagrammen + +Enkele 3d plotten van deze antenne op 10, 17, 20, 40 en 80 meter gemaakt met EZNEC software door PA0ABG. De antenne is het meest effectief op 20, 40 en 80 meter, waar de radiogolven naar boven gericht zijn. + +
+ + + + N V I S 10 meter 28 mega hertz diagram boven + +
+ + NVIS 10 meter 28 mega hertz diagram boven + +
+
+ +
+ + + + N V I S 10 meter 28 mega hertz diagram zijkant + +
+ + NVIS 10 meter 28 mega hertz diagram zijkant + +
+
+ +
+ + + + N V I S 17 meter 18 mega hertz diagram + +
+ + NVIS 17 meter 18 mega hertz diagram + +
+
+ +
+ + + + N V I S 17 meter 18 mega hertz diagram + +
+ + NVIS 17 meter 18 mega hertz diagram + +
+
+ +
+ + + + N V I S 20 meter 14 mega hertz diagram + +
+ + NVIS 20 meter 14 mega hertz diagram + +
+
+ +
+ + + + N V I S 40 meter 7 mega hertz diagram + +
+ + NVIS 40 meter 7 mega hertz diagram + +
+
+ +
+ + + + N V I S 80 meter 3.5 mega hertz diagram + +
+ + NVIS 80 meter 3.5 mega hertz diagram + +
+
+ +De antenne opgesteld in het veld. + +
+ + + + N V I S antenne + +
+ + NVIS antenne + +
+