World Wide Check-In
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| File:Tg91-logo.png Official logo of the World Wide Check-In | |
| Abbreviation | WWCI |
|---|---|
| Founded | 2015 |
| Founder | Richard D. Decker (K6SUU) |
| Type | Amateur radio net |
| Purpose | Worldwide amateur radio communications |
Region served | Worldwide |
Official language | English |
| Website | www |
World Wide Check-In (WWCI) is an international amateur radio net conducted via Digital Mobile Radio (DMR) on Talk Group 91 of the BrandMeister network.[1][2] Founded in 2015 by amateur radio operator Richard D. Decker (K6SUU), the net provides licensed amateur radio operators with a structured environment for making worldwide contacts, exchanging signal reports, and participating in organised net operations.[1][3]
The net takes place every Saturday at 16:00 UTC and attracts participants from multiple countries and continents.[1][4]
History
The World Wide Check-In was established in 2015 to provide amateur radio operators with a regular opportunity to communicate with stations worldwide using digital voice technology.[1][3]
The growth of internet-connected repeater systems, personal hotspots and the BrandMeister DMR network enabled participation from operators located across North America, South America, Europe, Africa, Asia and Oceania.[1][2]
The BrandMeister worldwide net on Talk Group 91 has been documented in amateur radio net listings since at least 2017.[5]
As participation increased, dedicated logging systems and multiple Net Control Operators (NCOs) were introduced to support the growing number of check-ins and maintain efficient net operations.[1]
Purpose
The stated purpose of the World Wide Check-In is to demonstrate the operation and capability of DMR, bring together radio operators from around the world, and show how a globally linked amateur radio network operates.[1][2]
The net also provides operating experience for licensed amateur radio operators and promotes international communication within the amateur radio community.[4]
Operations
The World Wide Check-In is managed by one or more Net Control Operators who coordinate check-ins, maintain operating discipline and record participating stations.[1]
Typical net operations include:
- Opening announcements by the Net Control Operator.
- Calls for stations by geographical region.
- Recording participant call signs.
- Exchange of signal and audio reports.
- Management of relay traffic where required.
- Publication of participation statistics following net closure.
During extended sessions, control of the net may be transferred between multiple Net Control Operators to ensure continuity of operations.[1][3]
Technical format
- Mode
- Digital Mobile Radio (DMR)
- Network
- BrandMeister
- Primary talk group
- TG91 Worldwide
- Schedule
- Every Saturday at 16:00 UTC
- Participation
- Licensed amateur radio operators
- Coverage
- Worldwide
Operators may participate using DMR handheld transceivers, DMR mobile radios, fixed-base stations, personal hotspots, or internet-connected DMR gateways.[1][4]
Participation
Participation is open to licensed amateur radio operators operating in accordance with the regulations of their respective licensing authorities.[1]
Stations may participate through repeaters, personal hotspots and approved network access methods connected to the BrandMeister network.[1][2] Participants represent multiple countries and regions worldwide.[1][4]
The net regularly records several hundred unique check-ins during a single operating session.[1]
Net logging
A dedicated digital logging platform is used to record participating stations and generate operational statistics.[6]
Published logs may include call signs, DMR IDs, countries, check-in times, net duration, participation totals and operational remarks.[6]
Historical logs are maintained as an archive of participation data and net activity.[6]
Community impact
The World Wide Check-In provides a platform for international amateur radio communication, operating practice and technical experimentation using DMR.[1][2]
The net enables operators from different countries and backgrounds to communicate regularly and share experiences relating to amateur radio, digital communications and station operation.[4][3]
See also
References
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 "World Wide Check-In". World Wide Check-In. Retrieved 15 June 2026.
- ↑ 2.0 2.1 2.2 2.3 2.4 "TalkGroup 91". BrandMeister Wiki. Retrieved 15 June 2026.
- ↑ 3.0 3.1 3.2 3.3 "World Wide Check-In on Talk Group 91". ICQ Amateur / Ham Radio Podcast. 27 December 2025. Retrieved 15 June 2026.
- ↑ 4.0 4.1 4.2 4.3 4.4 "The World Wide Check-In". NetFinder Radio. 30 March 2025. Retrieved 15 June 2026.
- ↑ "Brandmeister Worldwide Net". NDR BSG Amateurfunk. 4 December 2017. Retrieved 15 June 2026.
- ↑ 6.0 6.1 6.2 "Net Logs Archive". World Wide Check-In. Retrieved 15 June 2026.
Further reading
- "BrandMeister – World Wide Check-In sul TG 91". Il mondo di Paolettopn. 24 January 2026. Retrieved 15 June 2026.
External links
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