Chesapeake Bay Radio Association
Connecting people, technology, and community through amateur radio, electronics, emergency communications, and hands-on learning.

WA3SFJ Fire TowerClub infrastructure, repeater service, and radio historyFind Your Path
Whether you are already licensed or just interested in technology, there is a place for you here.
I am interested in radio
Start with licensing, repeater basics, HF, antennas, digital modes, and operating skills.
Explore amateur radio →I like radio technology
Explore SDR, Raspberry Pi, Linux, networking, automation, and digital communications.
Explore technology →I want to be prepared
Learn emergency communications, SKYWARN, public service, portable power, and go kits.
Explore preparedness →Explore What We Do
CBRA brings together radio operators, makers, computer people, electronics enthusiasts, students, and public-service-minded members.
Amateur Radio
HF, VHF/UHF, repeaters, nets, CW, digital modes, licensing, and operating skills.
Learn radio →Hands-On Projects
Antennas, electronics, solar, portable stations, and technical builds.
See projects →Digital & Networking
SDR, Raspberry Pi, mesh systems, digital modes, Linux, and more.
Explore technology →Community Service
Events, public service support, preparedness, and emergency communications.
Learn about service →Connect • Learn • Build • Serve
Four simple ideas guide everything we do.
Serve
Members support emergency communications readiness, SKYWARN awareness, public service, and club operations.
Join to serve →Help keep WA3SFJ on the air.
Donations help cover repeater-site electricity, maintenance, antennas, feedline, tower and facility upkeep, Field Day, education, and special club projects.
Why it matters
Reliable radio infrastructure takes recurring support. Electricity, site upkeep, repairs, and replacement equipment are ongoing costs that keep the club useful to members and the community.
Visit. Learn. Join when you are ready.
You do not need a radio license to become part of the community. Come to a meeting, ask questions, see what the club is building, and find the area that interests you most.
