DCO DXCO International unites radio operators worldwide. CB & DX communication, clusters, tools, and community – your hub for global connection. 🧱 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 Prefix List 11m Band (2025) International HAM Events read more: >>> DCO QSL CARD´s 360 MOUNT OLYMPUS GREECE 359 MOUNT VIGLA GREECE 1 Italy 360 MOUNT OLYMPUS GREECE 1/356 QSL CARD Section >>>

Explore HAM DX Groups International with DCO: connect with amateur radio operators worldwide, exchange information, and participate in DX activities. International HAM Groups

Complete HAM radio prefix list for amateur radio operators. Identify countries and call areas quickly for better DX communication.

Discover DX radio links in North, Central, and South America. Connect with CB and HAM communities across the continent. Americas

Check global time references with DCO Worldtime: essential for coordinating radio communications across different time zones and DX activities. SVETSKO VREME ACST: Australijsko centralno standardno vreme (GMT +09:30) AEST: Australijsko istočno standardno vreme (GMT +10:00) AWST: Australijsko zapadno vreme (GMT +08:00) AFT: Avganistansko vreme (GMT +04:30) AHST: Aljaska-Havaji standardno vreme (GMT -10:00) AKST: Aljasko vreme (GMT -08:00) AST: Atlantsko vreme (GMT -03:00) BRAST: Brazilijsko vreme Akre (GMT -05:00) BREST: Brazilijsko istočno vreme (GMT -02:00) BRST: Brazilijsko vreme (GMT -03:00) BRWST: Brazilijsko zapadno vreme (GMT -04:00) BST (British Summer Time): Britansko letnje vreme (GMT +01:00) CCT: Kinesko obalno vreme (GMT +08:00) CET: Srednjoevropsko vreme (GMT +02:00) CET: Centralno evropsko vreme (GMT +02:00) CST: Centralno standardno vreme (GMT -05:00) EET: Istočnoevropsko vreme (GMT +03:00) EG-EET: Egipatsko vreme (Kairo) (GMT +02:00) EST: Istočno standardno vreme (GMT -04:00) FST: Vreme Foklandskih Ostrva (GMT -03:00) GMT00: Griničko srednje vreme (GMT +00:00) (Korekcija: Greenwich Mean Time je GMT +00:00, nije +01:00) GRST: Grenlandsko vreme (GMT -02:00) EGRST: Grenlandsko vreme (istočno) (GMT +00:00) ICT: Bangkoksko vreme (GMT +07:00) IST: Izraelsko vreme (GMT +03:00) IRST: Iransko vreme (GMT +04:30) JOG: Vreme Jogjakarte, Indonezija (GMT +07:00) JST: Japansko vreme (GMT +09:00) MST: Planinsko standardno vreme (GMT -06:00) MX-CST: Centralno meksičko vreme (GMT -05:00)

Detailed descriptions and specifications of 11m and HAM band transceivers. Find the right radio for your DX communication needs at DCO. Transceivers

Explore SOTA (Summits on the Air) with DCO: guides, events, and resources for HAM enthusiasts activating and contacting mountain summits.

DX CONTEST, QSL, CB, 11m, DCO

Explore CW and Morse code with DCO International: learn techniques, join events, and access guides and resources for HAM radio operators worldwide.

Connect with the DX Cluster via DCO: real-time spots, frequencies, and community resources for radio enthusiasts worldwide.

Learn about emergency frequencies with DCO: guides, tools, and resources for radio enthusiasts to monitor emergency communications, alerts, and safety broadcasts worldwide. Emergency Calls 11m & VHF UHF PMR

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