---
title: Log Synchronization
icon: 🔄
category: Logger Integration
since: "1.31"
summary: Import worked stations and current frequencies from supported contest loggers so filters and band information follow the log.
description: KST4Contest receives worked-station and, where supported, frequency data from UCXLog, N1MM+, QARTest, DXLog.net and Win-Test through file and UDP interfaces.
tagsList:
  - Win-Test
  - UCXLog
  - contest logger
related:
  - priority-score
  - dual-chat
---

## Connect chat and logging

Contest operation is faster when chat information and log state are connected.

KST4Contest can use logger information to improve workflow awareness.

## Worked and band awareness

Log synchronization helps the client understand which stations and bands are relevant.