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KST4Contest Wiki

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

KST4Contest (also known as PraktiKST) is a Java-based chat client for the ON4KST Chat, specifically designed for contest operation on the VHF/UHF/SHF bands (144 MHz and above).

Developed by DO5AMF (Marc Fröhlich), operator at DM5M.


Quick Navigation

Page Contents
Installation Download, Java requirements, updates
Configuration All settings in detail
Log Synchronisation UCXLog, N1MM+, QARTest, DXLog.net, WinTest
AirScout Integration Aircraft scatter detection
DX Cluster Server Built-in DX cluster for your logging software
Features All features at a glance
Macros and Variables Text snippets, shortcuts, variables
User Interface UI explained and how to operate it
Changelog Version history

What is KST4Contest?

The ON4KST Chat is the de-facto standard for skeds on the 144 MHz and higher bands. KST4Contest enhances the chat experience with contest-specific features:

  • Worked marking: Stations already worked are highlighted visually, synchronised directly from your logging software via UDP.
  • Sked direction detection: When a station calls another one from your direction, it is highlighted green and bold.
  • QRG detection: KST4Contest automatically reads frequencies from the chat traffic and shows them in the user list.
  • AirScout interface: Reflectable aircraft are shown directly in the user list.
  • Built-in DX cluster server: Spots are sent directly to your logging software.
  • Dark mode (from v1.26): Easy on the eyes during night-time operation.
  • Multi-channel login (from v1.26): Simultaneously logged into two chat categories.

Contact & Support


Acknowledgements

Special thanks to: Gianluca Costantino (IU3OAR), Alessandro Murador (IZ3VTH), Reczetár István (HA1FV), OM0AAO (Viliam Petrik, DX cluster idea), DC9DJ (Konrad Neitzel, project structure), DO5ALF (Andreas, webmaster funkerportal.de), PE0WGA (Franz van Velzen, tester) and all other testers and contributors.