KST4Contest Files

ON4KST chat client for VHF, UHF and SHF contesting

Brought to you by: praktimarc

The interactive file manager requires Javascript. Please enable it or use sftp or scp.
You may still browse the files here.

Name	Modified	Size	InfoDownloads / Week
beta-v1.42.0-rc03	2026-08-14		3
beta-v1.42.0-rc02	2026-08-10		0
beta-v1.42-rc01	2026-08-07		0
v1.41.1	2026-07-21		11
v1.41.0	2026-07-01		0
beta-1.41-rc04	2026-06-30		0
beta-v1.41.0-rc03	2026-06-28		0
beta-v1.41.0-rc02	2026-06-15		0
beta-v1.41.0-rc01	2026-04-19		0
README.md	2026-08-09	692 Bytes	0
Totals: 10 Items		692 Bytes	14

KST4Contest – ON4KST Chat Client

KST4Contest is an open-source desktop client for the ON4KST amateur radio chat, designed for VHF, UHF and SHF contest operation.

It combines ON4KST chat with contest-oriented station prioritization, sked management, AirScout integration, map and path analysis, DX Cluster information and contest logger integration.

Official website and documentation

For the current downloads, complete user manual, screenshots and further information, visit the official KST4Contest website:

https://kst4contest.hamradioonline.de/

Source code and development

KST4Contest is developed on GitHub:

https://github.com/praktimarc/kst4contest

Source: README.md, updated 2026-08-09

Other Useful Business Software

Ship Agents Faster Icon

Ship Agents Faster

Transform your applications and workflows into powerful agentic systems at global scale.

Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.

Get Started Free

MongoDB Atlas runs apps anywhere Icon

MongoDB Atlas runs apps anywhere

Deploy in 115+ regions with the modern database for every enterprise.

MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.

Start Free

Ship Agents Faster

Transform your applications and workflows into powerful agentic systems at global scale.

Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.

Get Started Free

Recommended Projects

Minos
Minos is a VHF contest logging program, together with a collection of programs to assist with station and site operation.
Hover Rally
A simple, 2D, top-down racer originally developed for a contest on www.sdltutorials.com.
Grandpa_visionfall
This is a short point and click adventure game designed for halloween game contest.
dfhLog
General purpose Amateur Radio logging application, written in Gambas2. Focused primarily on VHF and up, it uses custom maps to keep track of Maidenhead Locators worked on all bands, and simple Awards like WAS, USACA, TPEA, etc.
IONIS-AI
Ionospheric Neural Inference System