Amateur
- 1161
- Greater Norwalk Amateur Radio Club
- Events calendar, equipment inventory, message board and related links.
- 1163
- Natchaug Amateur Radio Club
- The NARC is an organization of amateur radio enthusiasts in Eastern Connecticut. Includes meeting and history details and field day photos.
- 1164
- Southeastern Connecticut Radio Amateur Mobile System
- Includes bylaws, club officers, and classifieds. Located in Waterford.
- 1165
- BARC - Boulder HAM Radio Club
- Information about testing sessions, membership, and the club's repeater.
- 1166
- Estes Valley Amateur Radio Club
- Provides a meeting schedule and a list of repeaters. Located in Estes Park.
- 1168
- Amateur Radio Club of Alameda
- Features club and meeting information, events schedules, novice amateur classes and links.
- 1169
- Antelope Valley Amateur Radio Club
- Includes membership information, newsletters and meeting schedule. Lancaster.
- 1170
- California Polytechnic State University Amateur Radio Club
- Resource includes college and club information, activities, mailing lists, and links.
- 1171
- El Cajon Amateur Radio Club
- Features club and online membership center, newsletter, photos, events schedule, and repeater information.
- 1172
- Foothills Amateur Radio Society
- San Francisco area club offering novice classes, exams and information, events and meetings, and net schedules.
- 1173
- Fresno Amateur Radio Club
- Lists monthly meeting and social event schedules, ARRL exam session, and monthly newsletter in PDF format. Includes links to other sites of interest.
- 1175
- Mount Diablo Amateur Radio Club
- Based in Walnut Creek, the MDARC owns and operates a heavily trafficked repeater atop Mount Diablo.
- 1176
- Mt. Shasta Amateur Radio Club
- Located in the city of Mt. Shasta, the club provides events calendar, history and photos.
- 1177
- Northern California DX Foundation
- Private foundation assists worthwhile amateur radio and scientific projects with funding and equipment.
- 1178
- Orange County Amateur Radio Club
- Meeting and events calendars, club roster, and a monthly newsletter.