Advocacy site designed to promote activities on frequency in the 20-meter band.

Discussion group composed of amateur Ham operators from all over the U.S and Canada.

Offering information membership, news, events schedule, and related organizations.

Features resource blogs about amateur radio, plus forum site for enthusiasts and hobbyists.

Provides information and services to ham radio operators and enthusiasts in Colorado, Utah, New Mexico, and Wyoming.

Organization established to facilitate the creation of amateur radio hobbyist clubs for college, university, and higher education school students.

Serves as an information resource for the amateur radio digital voice community. Presents an overview of ham radio and study materials.

Features online discussion forum site for all amateur radio enthusiasts.

Resource site for amateur Ham radio enthusiasts in India, with details on latest news updates, forum discussions, photos, and links.

Group of ham radio operators from the USA and around the world that features clubs' news, blogs, photos, repeater frequencies and links.

Independent amateur radio group dedicated to entertainment on the HF bands. Includes details on sponsored contests and events, awards program, and membership information.

Provides historical information about the amateur contest group, also includes frequency details, photo gallery, and related links.

Presents club and local frequency information, photos, and links about the Connecticut-based group.

Features resources that includes discussion forums, amateur radio exams, equipment modifications, and call sign database.

Provides amateur radio enthusiasts with information on radio FAQ's, license applications, resource books, and operating references.

Maintains the traditions and spirit of amateur radio. Includes membership details, news updates, links, and contact facts.