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Some longstanding overdue changes

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Hibby 2024-06-19 00:41:42 +01:00
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docs/equipment/antennas.md
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# Antennas # Antennas
There are a huge number of antennas available, commercially as well as DIY that can get you on the air.
## V/UHF
For VHF, it's quite common to use a 'white stick' colinear at home - they generally buy you a few dB over a dipole to help your range and are built to handle permanent, exposed installation for a number of years.
For multiband antennas like most colinears on the market, you can run two bands simultaneously - you need a unit that interfaces multiple radios to the single antenna known as a diplexer. This will prevent RF from/to other bands from running down the coax to damage your radios.
In my station, I use a Diamond V-2000 with an MX-2000 triplexer.
## HF
The most basic system is a dipole of some variety.

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docs/linux.md
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@ -51,6 +51,10 @@ Instead of using `apt install x`, it is possible to run a graphical piece of sof
Have a little look through your application launcher to see if there is an app catalogue, application store, package list or similar. Have a little look through your application launcher to see if there is an app catalogue, application store, package list or similar.
On the Raspberry Pi, it's as below. To find it, go to the Raspberry Pi menu (Raspberry Icon, Top Left), Preferences and select Add/Remove software.
![Featherpad Installation](static/img/install-featherpad.png)
## Filesystem Layout ## Filesystem Layout
In a Windows system, the very top of your computer's filesystem is most often the C Drive, represented as C: commonly. Windows also neatly shows other drives as similar folder structures - CD Drives often start at D:, Floppy drives at A:. In a Windows system, the very top of your computer's filesystem is most often the C Drive, represented as C: commonly. Windows also neatly shows other drives as similar folder structures - CD Drives often start at D:, Floppy drives at A:.
@ -112,7 +116,9 @@ You'll need to run a command called `usermod` as the root user to grant your reg
### Editing text as root ### Editing text as root
The path of least resistance for many is to use the command line - if you know what file you need to edit, you can do that using a command line text editor. The path of least resistance for many is to use the command line - if you know what file you need to edit, you can do that quickly and directly using a command line text editor.
The GUI offers some choices - my preferred method is below.
##### GUI ##### GUI
@ -124,7 +130,7 @@ Search for featherpad, select the checkbox and press apply:
![Featherpad Installation](static/img/install-featherpad.png) ![Featherpad Installation](static/img/install-featherpad.png)
The Raspberry Pi ships with Featherpad - this is a lightweight text editor. You can open Featherpad from the application launcher and use the file->open menu to get access to files all round the system: You can open Featherpad from the application launcher and use the file->open menu to get access to files all round the system:
![Featherpad Open File](static/img/featherpad-open.png) ![Featherpad Open File](static/img/featherpad-open.png)