The Beginner’s Guide to 11-Metre DX
A practical introduction to listening, calling, exchanging information and learning good operating habits on 11 metres.
Read guide →International DX · Radio Knowledge · Community
DELTA TANGO
Knowledge Centre
Practical guides for 11-metre DX, propagation, callsigns, antennas, digital radio and responsible operating. Built for newcomers and experienced operators alike.
17 guidesBrowse the library
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Source-ledOfficial references included
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Understanding 11-Metre Propagation
Why 27 MHz sometimes reaches across countries and continents—and why the band can suddenly go quiet.
Read guide →Antennas, SWR and Better Signals
Understand the antenna system, coax, SWR and practical installation choices.
Read guide →International Callsigns and Divisions
A practical guide to identifying stations and understanding prefixes, numbers and suffixes used by different radio communities.
Read guide →AM, FM, USB and LSB Explained
Learn what common radio modes mean and why both ends of a contact need compatible settings.
Read guide →Digital DX on 11 Metres
An overview of FT8, WSJT-CB and other digital tools, separating software capability from permission to transmit.
Read guide →DX Etiquette and Operating Procedures
Simple habits that help everyone share the band and complete clearer, more enjoyable contacts.
Read guide →Logging Contacts and QSL Cards
A good log helps you remember contacts, track DX achievements and share accurate records.
Read guide →UK CB Rules and International Differences
A source-led starting point for understanding UK CB use. Always check current rules and equipment requirements.
Read guide →Mobile DX and Vehicle Radio Installation
Practical checks for a reliable mobile station, from antenna mounting to power and electrical noise.
Read guide →Online SDR Receivers: Listen Around the World
Use public software-defined radio receivers to explore signals and propagation without transmitting.
Read guide →The History of CB Radio and DX
Celebrate the equipment, magazines, friendships and international contacts that helped shape CB radio culture.
Read guide →Radio DX Glossary and Q-Codes
A plain-English reference to common radio terms. Meanings can depend on context and service.
Read guide →Live Band Conditions and Propagation Resources
A curated set of external resources for solar and geomagnetic conditions. Indicators are context, not guarantees.
Read guide →DX Calendar and Activity Reports
A framework for sharing group nets, special events and DX activity without presenting unverified schedules as facts.
Read guide →Your First 30 Days with DELTA TANGO
A simple path to learning the hobby, radio terminology and joining the DX community responsibly.
Read guide →Radio Fault-Finding Workshop
A safe, methodical checklist for common station problems. Use radio and accessory manuals for model-specific instructions.
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Important: check before transmitting.
Software presets, group conventions and published monitoring frequencies do not automatically mean transmission is permitted. UK operators should check current Ofcom guidance and the requirements for their equipment, frequency, power and emission before transmitting.
Software presets, group conventions and published monitoring frequencies do not automatically mean transmission is permitted. UK operators should check current Ofcom guidance and the requirements for their equipment, frequency, power and emission before transmitting.
Useful official and live resources
External sources for further reading.
Ofcom — Citizens’ Band Radio ↗NOAA Space Weather Prediction Center — Planetary K-index ↗WSJT-X — Official User Guide ↗PTT Radio UK — Global SDR Hub ↗
Radio regulations and software features can change. Follow the linked primary source, check its current date and treat uncertain or member-reported information as unverified until confirmed.