Explore the DCO Glossary: comprehensive definitions and explanations of radio terms, abbreviations, and technical language for enthusiasts worldwide.

Discover the QSL section with resources for CB and HAM operators. Exchange QSL cards, confirm contacts, and strengthen your DX network. DCO QSL CARD SECTION

Explore Web SDR with DCO: access online software-defined radios, listen to real-time global frequencies, and join the radio enthusiast community. A WebSDR is a Software-Defined Radio receiver connected to the internet, allowing many listeners to listen and tune it simultaneously. SDR technology makes it possible that all listeners tune independently, and thus listen to different signals; this is in contrast to the many classical receivers that are already available via the internet. WEB SDR International WEB SDR Thessaloniki Greece by sv2hnh KIWI SDR International

Learn the DCO Code of Conduct: guidelines and rules for respectful, safe, and enjoyable participation in the DCO radio community.

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

Explore DX radio links. Find CB, HAM, and DX resources across the world to connect with operators and communities. All contnents: Africa, North-America, South-America, Australia & Oceania, Asia, Europe, Antarctica Usefull Links

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)

Register for DXCO membership—lifelong and free! Gain access to forums, group participation, QSL card exchange, and connect with CB, 11m, and other radio enthusiasts worldwide. Membership in the DCO DXCO is fundamentally lifelong and free of charge. 🧱 DXCO Membership Registration Welcome to DXCO International! Membership is lifelong and completely free. Please fill out the form below with your current QRZ, Operator Name, and Country/Division. After submission, our HQ team will review your details and send you your official DXCO QRZ and membership documents. Current QRZ* Operator Name / First Name* Country / Division (e.g. 18 for Greece)* E-Mail-Adress* Message / Comments (optional) I am interested in a Special Membership (Division Manager) I would like to receive information about Membership Upgrades (Rising Star, Silverstream, Golden Antenna) I am interested at both of them. Submit Application

Discover POTA (Parks on the Air) with DCO: guides, events, and resources for HAM enthusiasts operating from national and city parks.

Explore LOTA (Lighthouses on the Air) with DCO: guides, events, and resources for HAM enthusiasts connecting via lighthouse stations.

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