What's Happening
The latest from Arizona's amateur radio community.
Latest Post
Joy of POTA & SOTA
In a world increasingly dominated by digital screens and indoor pursuits, two remarkable amateur radio programs are drawing operators outdoors to experience the perfect blend of technology, nature, and community. Parks on the Air (POTA) and Summits on the Air (SOTA) have transformed the way radio amateurs connect with their hobby—and with each other.
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Photo Gallery
Community Photos
69 photos from ARCA events and club activities.
View galleryWhat We Do
ARCA serves as the voice of amateur radio in Arizona, coordinating clubs, events, and initiatives that strengthen our community.
Connect Clubs
We bring together amateur radio clubs from across Arizona, fostering collaboration and community.
Recognize Excellence
Our Ham of the Year awards celebrate outstanding contributions to amateur radio in Arizona.
Support Education
Annual scholarships help aspiring hams and STEM students pursue their radio-related education.
Promote Events
From hamfests to contests, we help coordinate and promote amateur radio events statewide.