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Explore SWL (Shortwave Listening) with DCO: guides, tips, and resources for monitoring international broadcasts and radio signals.

The DCO is divided into several specialized areas: CB & 11m local radio communicators CB & 11m long DX radio communicators HAM Amateur Radio Listener and Transmitters. SWL & CW IOTA POTA COTA LOTA SOTA WWFF Listener and Broadcasters Radio Stations DCOH Humans world DCOA Animals world DCOC Climate & Environment protection DXCO DX Communication Operators DCO Delta Charlie Oscar Group DCOP Prepper Association (DCOP) DCOS Science Space & ASTRO Association ARCARC Association DCON The Independent News Room DCOF The Fancy Club for Young and Old

Explore DCO HAM Events: worldwide amateur radio gatherings, contests and workshops. Connect with operators and discover global DX activities.

Explore WWFF (World Wide Flora & Fauna) with DCO: guides, events, and resources for HAM enthusiasts activating protected natural areas and wildlife reserves.

Access DCO's Info Center: code of conduct, glossaries, radio abbreviations, Q-Codes, RST/RSQ systems, and resources for radio enthusiasts worldwide.

Comprehensive 11m band prefix list for DX operators. Identify countries, regions, and call signs to enhance your CB and DX communication. Prefix Listing We as DCO are adding three new prefix numbers to the international lists. 359 div. = Mount Vigla Greece MVG (Mike Victor Golf) 360 Div. = Mount Olymp Greece MOG (Mike Oscar Golf) and intended for the far future: 400 div. = Moon Base MB (Mike Bravo)

Explore DCO Communication: CB, 11m and HAM radio, DX Clusters, satellite, marine and weather networks. Tools, guides and global resources for radio operators. Communication 11m Band 26.000-27.995 MHz DX CB Radio HAM Radio SATELLITE SWL Radio CW

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