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Installation

🇬🇧 You are reading the English version | 🇩🇪 Deutsche Version

Prerequisites

Java

KST4Contest is a Java application. A current Java Runtime Environment (JRE) is required. The recommended version is Java 17 or higher.

ON4KST Account

To use the chat client, you need a registered account with the ON4KST chat service:

Behavioural Etiquette

The official language in the ON4KST Chat is English. Please use English even when communicating with stations from your own country. Common HAM abbreviations (agn, dir, pse, rrr, tnx, 73 …) are widely used and understood.

Sending Personal Messages

To send a private message to another station, always use this format:

/CQ CALLSIGN message text

Example: /CQ DL5ASG pse sked 144.205?

During contest operation (56 messages per second in the public channel), public messages directed at a specific callsign are easily missed. KST4Contest also catches such messages if they are accidentally posted publicly (see Features PM Catching).


Download

The latest version can be downloaded as a ZIP file:

https://do5amf.funkerportal.de/

The filename follows the pattern kst4Contest_v<version>.zip.


Installation

  1. Download the ZIP file.
  2. Unzip into a folder of your choice.
  3. Run praktiKST.exe (Windows) or the corresponding start script.

Settings are stored at %USERPROFILE%\.praktikst\preferences.xml (Windows).


Updating

KST4Contest includes an automatic update notification service: when a new version is available, a window will appear at startup showing:

  • A notification that a new version is available
  • A changelog
  • The download link for the latest package

Update Process

Currently the only way to update is:

  1. Delete the old folder.
  2. Unzip the new package.

Your settings file (preferences.xml) is preserved since it is stored in your user folder, not the program folder.


Known Issues at Startup

Norton 360

Norton 360 flags praktiKST.exe as dangerous (false positive). You need to add an exception:

  1. Open Norton 360.
  2. Security → History → Find the relevant event.
  3. Select "Restore & Add Exception".

(Reported by PE0WGA, Franz van Velzen thank you!)