Amateur
- 1181
- Sierra Amateur Radio Club
- Active club in Ridgecrest operates several repeaters and trains for emergency service duties.
- 1182
- Siskiyou County Amateur Radio Club
- Located in northern California. Resources include area history, club information, local frequencies and links.
- 1183
- South Bay Amateur Radio Association
- Club resource includes meeting information and activities, newsletter, local repeater frequencies and links.
- 1185
- Stanford Amateur Radio Club
- Offers club information, news, meeting schedule, courses, contesting, a gallery and related information. Located in Palo Alto.
- 1186
- Victor Valley Amateur Radio Club
- Southern California resource for club information, activities, and local links.
- 1187
- West Valley Amateur Radio Association
- Silicon Valley based group presents online FCC practice exams with result feedback, and club and membership information.
- 1188
- Benton County Radio Operators
- Club site for BCRO club in Benton County. Provides list of nets in the area,
- 1189
- Cross County Amateur Radio Club
- Eastern Arkansas-based member resource for club and testing information, ARES and SKYWARN regional weather, RSS feeds, photos and links.
- 1190
- Fort Smith Area Amateur Radio Club
- News and Information for members and guests of the Fort Smith Area Amateur Radio Club.
- 1191
- Lawrence County Amateur Radio Club, Inc
- Contains winterfest details, meetings and repeater information and list of officers. Walnut Ridge.
- 1192
- Pine Bluff Amateur Radio Club
- South Central Arkansas radio club. Includes a roster of officers as well as meeting times and links to other Arkansas amateur sites and clubs.
- 1193
- University of Arkansas at Little Rock Amateur Radio Club
- Features a call sign database and links to other ham radio sites.
- 1194
- Amateur Radio Society at Arizona State University
- Provides information about activities. Includes photographs and contacts.
- 1195
- Arizona Near-Space Research
- Phoenix-based club sponsors high altitude amateur radio balloon flights. Lists flight schedules, meeting times, and equipment payloads.
- 1196
- Central Arizona DX Association
- A group of ham radio operators in the Phoenix area whose primary interest is in DXing.