Connecting communities through amateur radio
Welcome to SEMTN, serving Southeast Michigan for 39 years as a vital part of the National Traffic System. Discover how we connect people, relay important messages, and support emergency preparedness through the power of amateur radio.
Our mission
The Southeast Michigan Traffic Net (SEMTN) is dedicated to facilitating the relay of messages, known as radiograms, across the United States. We are a local net of the National Traffic System (NTS), proudly affiliated with the American Radio Relay League (ARRL). Our mission is to provide a reliable communication network for both hobbyists and critical emergency services.
Our impact
For 39 years, SEMTN has been an integral part of the NTS, ensuring messages reach their destinations even when traditional communication methods fail. Our network is easily mobilized during emergencies, providing a crucial lifeline for priority messages. Join us in this fun and essential hobby!
What we do
Message relay
Radiogram passing - nationwide
We facilitate the exchange of radiograms across the United States, connecting individuals and organizations through our extensive amateur radio network.
Local net operations - Southeast Michigan
As a local net of the NTS, we coordinate message traffic within the Southeast Michigan region, ensuring efficient and timely delivery.
Amateur radio hobby - fun and engaging
Engage in the rewarding hobby of amateur radio, meeting like-minded enthusiasts and developing valuable communication skills.
No formal membership - open to all
Participation in SEMTN does not require formal membership, making it accessible to all licensed amateur radio operators.
Emergency message handling - critical support
Our network is prepared to handle emergency and priority messages, providing vital communication in times of crisis.
ARRL affiliation - recognized standards
We are proudly affiliated with the American Radio Relay League, adhering to high standards of amateur radio operation and ethics.
Community service - giving back
Contribute to your community by supporting a critical communication infrastructure that serves both daily and emergency needs.
Training and resources - continuous learning
Access resources and opportunities to learn and improve your amateur radio operating skills within a supportive community.
Emergency preparedness
Disaster communication - resilient networks
When conventional communication systems fail, amateur radio provides a robust and reliable alternative for critical information exchange.
Rapid mobilization - ready when needed
Our network can be quickly activated to handle emergency messages, ensuring timely communication during urgent situations.
Support for agencies - essential partnerships
We collaborate with emergency response agencies to provide vital communication support, aiding in disaster relief efforts.
Trained operators - skilled volunteers
Our operators are trained to handle various types of emergency traffic, ensuring clear and accurate message delivery.
News & events
Regular net meetings - stay connected
Join our regular net meetings to practice message handling, share updates, and connect with fellow amateur radio enthusiasts.
Special events - community engagement
Participate in special amateur radio events, field days, and contests to hone your skills and enjoy the hobby.
Latest updates - stay informed
Keep up-to-date with the latest news from SEMTN, ARRL, and the broader amateur radio community.
Training opportunities - skill development
Discover opportunities for training and workshops to enhance your amateur radio knowledge and operating proficiency.
Our legacy in communication
SEMTN has been a cornerstone of reliable communication in Southeast Michigan for nearly four decades. Explore our journey and commitment to connecting communities, one radiogram at a time.
"SEMTN has been an invaluable resource for me to connect with fellow amateur radio operators and practice my message handling skills. It's a fantastic community!"
John D., Amateur Radio Operator
"The dedication of SEMTN in supporting emergency communications is truly commendable. Their readiness to serve our community is a great asset."
Sarah P., Local Emergency Responder
"I joined SEMTN years ago and have learned so much about the National Traffic System. It's a wonderful way to contribute and stay engaged with the hobby."
Michael S., SEMTN Participant
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