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Decodium
4.0 Core Shannon
Windows x64 · macOS Intel / Apple Silicon · Linux x86_64 / ARM64
Verified releases: v1.0.714
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4.0 Core Shannon

The Decodium family logbook

The Decodium ecosystem’s SDR receiver

The assistant for your station

One world. One moment.

The language of CW
Availability checked on 27 October 2026. Release links remain current on the source service.
The guides walk you through setup, logbook connection and SDR listening.