Radio Team

In the face of emergencies, swift and reliable communication is paramount. Our dedicated Radio Team is an essential unit operating under the Communications Team of Hamilton County Emergency Management. We understand that when disaster strikes, traditional communication methods might falter. That's why we champion radio communication as a lifeline during crises. Our team comprises enthusiastic individuals like you, passionate about emergency preparedness and communication technology. Whether you're an amateur radio operator, GMRS, CB, or FRS radio user, or just have an interest, our team offers diverse opportunities to contribute meaningfully during emergencies, special events, and severe weather conditions.

Why Join Us?

Amateur Radio

Amateur radio operators volunteer for the purpose of providing tactical emergency support voice and data radio communications to federal, state, and local governments in times of emergency and to supplement, augment, or replace radio communications wherever and whenever needed. 

  • To obtain your Amateur Radio License
  • Study for the test by using free resources such as
  • Request an FRN from the FCC at
  • Take the test
    • Testing is offered once a quarter on a Saturday starting at 10:30 a.m. sharp. The sessions take place at the Hamilton County Emergency Operations Center located at 18100 Cumberland Road, Noblesville, IN. The ARRL VE testing fee is $15.00 (please pay in cash with exact change).  
    • Testing is offered every quarter.
      • January 20, 2024
      • April 20, 2024
      • July 27, 2024
      • October 19, 2024
    • Please contact Joe March, Comms Group Program Coordinator, for additional information at 


  • Primary Repeaters - located in Noblesville
  • 145.17(-) MHz- 77 Hz tone
  • 443.550(+) MHz- 77 Hz tone
  • Digipeater 145.090 - located in Noblesville
  • Digital C4FM Fusion Repeaters - located in Hortonville
  • 443.950 MHz- 77 Hz tone
  • 146.865 MHz - 77 Hz tone

GMRS (General Mobile Radio Service) Radio

  • Hands-On Repeater Operation: Gain expertise in setting up and operating our two 50-watt GMRS repeaters and antenna systems. Learn the intricacies of high-power communication, ensuring you can establish robust networks during emergencies. GMRS radios operate in the UHF band around 462–467 MHz, require a test-free license available on the FCC website, and typically have a power output ranging from 1 to 5 watts.
  • CERT Collaboration: Collaborate with the Community Emergency Response Team (CERT) members, combining GMRS expertise with CERT training to enhance community response and resilience.
  • In-Depth Training: Receive specialized training tailored to GMRS radio operation and emergency communication protocols. Whether you're a novice or an experienced radio user, our training ensures you are well-equipped to handle various scenarios effectively.

CB (Citizens Band) Radio

  • Community Bridge: Utilize your CB radio skills to bridge communication gaps during emergencies. Join our CB Radio Task Force, collaborating with like-minded individuals to strengthen our community network and support emergency response efforts. CB radios operate in the HF band around 26.965–27.405 MHz and do not require a license. They typically have a power output of 4 watts.
  • Incident Reporting: Provide real-time updates on road conditions, hazards, and incidents, enhancing situational awareness for both responders and residents.

FRS (Family Radio Service) Radio

  • Universal Channel 1 Access: Utilize FRS radios on Channel 1, a designated space for swift coordination during emergencies. Be an integral part of a streamlined communication system, facilitating efficient collaboration and support among community members. FRS radios operate in the UHF band around 462–467 MHz and do not require a license. They are readily available at outdoor stores and operate at a maximum power of 2 watts, suitable for short-range communication.

Training Opportunities

  • Comprehensive Radio Training: Members of our Radio Team will receive training on amateur, GMRS, CB, FRS radios, or the AM transmitter. Learn to operate and setup a variety of communication devices, ensuring you are well-versed in multiple platforms.
  • AM Transmitter Operation: Everyone on the team will be trained on setting up and operating AM transmitters. These devices provide extended coverage, ensuring critical information reaches communities during emergencies.
  • Hands-On Experience: Gain practical skills through hands-on training sessions, enabling you to confidently use different radio technologies in real-life situations.

Ready to Get Involved?

Join our Radio Team today and become a vital asset in our local community emergency response. Whether you're a beginner or an experienced radio enthusiast, our team provides a supportive environment where you can learn, grow, and contribute meaningfully.

To learn more about what to do next, visit our Get Involved page to submit an application.

Alex Auvnien

Alex Auvinen

Comms Group

Radio Team Leader


Phone: 317-770-3381


Alex works in the medical diagnostics field supporting laboratories with their in-vitro large analysis modules. Throughout her career, she has been in technical, supervision, and training roles. Having grown up with amateur "ham" radio, the hobby has been a passion of hers, and she is very active in the local amateur community. Alex is enthusiastic about contributing to the growth of the Communication group's radio team and sharing the diverse range of technologies they have at their disposal. You can read more on her QRZ

Learn More

Visit to learn more about our amateur repeater network.