We are an amateur radio club based in San Antonio that is engaged in Yaesu System Fusion. (C4FM)

Core Values

  • Experiment
  • Innovate
  • Demonstrate
  • Educate
  • Collaborate
  • Have Fun

Our Mission

To experiment, innovate, demonstrate, educate, collaborate and challenge ourselves in advancing the state of the art of digital radio technologies; applying best practices in collaboration with amateurs and sharing lessons learned throughout the community.

Our Goal

To help others become involved with available digital technologies, understanding the benefits of each technology, and how to setup and use digital radio equipment. We will continuously challenge the status quo and pursue further advancements in Amateur Radio with emphasis on digital modes.

Our Repeaters

  • 146.780 – NE San Antonio
  • 443.200 – NE San Antonio
  • 147.160 – N. San Antonio/US 281 Corridor
  • 442.750 – N. San Antonio/US 281 Corridor
  • 441.8125 – Live Oak
  • 440.275 – Spring Branch US 281 & Hwy 306 in Blanco County

How You Can Help SADRC

Your gift of money helps keep the SADRC network updated and operational for everyone to enjoy. You can visit our secure GoFundMe link here: SADRC GoFundMe