From 0b7d0abef6856f444ec6feceae20e0211d7a1ddc Mon Sep 17 00:00:00 2001 From: Dominic Reich Date: Sat, 2 Mar 2024 10:55:47 +0100 Subject: [PATCH] publish new equipment page about coax cables --- .../accessories/coax-cables/index.md | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 content/equipment/accessories/coax-cables/index.md diff --git a/content/equipment/accessories/coax-cables/index.md b/content/equipment/accessories/coax-cables/index.md new file mode 100644 index 0000000..cd9b4b3 --- /dev/null +++ b/content/equipment/accessories/coax-cables/index.md @@ -0,0 +1,40 @@ +--- +title: "Coax Cables" +summary: A quick comparison of the three coax types that I use. +date: 2024-03-02T09:55:35+01:00 + +showBreadcrumbs: true +# showDate: false +showReadingTime: false +showWordCount: false +# showPagination: false + +# feed_exclude: true +# site_exclude: true + +--- + +## Comparison + +| Name | ∅ \[mm\] | Impedance \[Ω\] | Lenght \[m\] | Loss \[dB\] | Loss/100m \[dB\] | Weight/m \[kg\] | +|:------ | --------:| ---------------:| ------------:| -----------:| ----------------:| ---------------:| +| H-155 | 5.50 | 50.44 | 10.18 | 0.329 | 3.232 | 0.38 | +| RG-174 | 2.79 | 50.70 | 6.03 | 0.775 | 12.850 | 0.01 | +| RG-316 | 2.59 | 49.45 | 5.15 | 0.568 | 11.025 | 0.01 | + +Measurements have been made with a NanoVNA-H (HW version 3.4) version 1.2.19 (Build time: Jan 31 2023 - 16:06:06) +at 14.020 MHz (because that is around the frequency that I use mainly at my home QTH). + +## What cable to use? + +I usually use the H-155 at home because the 10m are a good fit from my +terrace to the table in the living room and it has the least loss and +weight is not a factor when deploying at home. + +For portable operation I use the RG-316 because it is very leightweight +and is "not so lossy" than the RG-174. + +I'd take the RG-174 when I'm not sure about what lenght the antenna cable +should be because I have two cables with 6m with the appropriate connectors +already on the cables. +