Amateur
- 801
- Bliley Electric Company History: The Early Years, 1930-1955
- History of the company that invented and patented the overtone crystal, etch-to-frequency and variable crystals. Source for ads, engineering bulletins, patents and manuals.
- 804
- Bama Boatanchor Manuals Archive
- Manuals and schematics by brand name. Accepts manuals for inclusion in the archive.
- 807
- The Vacuum Tube Page
- Roy Schmaus presents tube information, and articles about the R1155 receiver.
- 808
- Early History of Yaesu Musen in Australia
- Offers an insight into the marketing of Yaesu Musen SSB equipment on the Australian amateur radio market in the early 1960's.
- 810
- Southwest Museum of Engineering, Communications and Computation
- Includes a biography of radio man Frederick Terman by Ed Sharpe, and amateur radio and short-wave articles.
- 811
- The Geloso Story
- A history of the Italian manufacturer John Geloso, who supplied hams with transmitters, receivers, and VFOs; also manufactured radios, televisions and tape recorders.
- 813
- Collins Collectors Association
- Preserving the equipment, history and folklore of Collins radio. Contains membership and email list details, past newsletters and an archives area for members.
- 814
- The James Millen Society
- Formed for enthusiasts who have an interest in this pioneer and the equipment he was responsible for building. Includes a history of the group, a biography, pictures, schematics, a membership roster and application.
- 815
- Tube Collectors Association
- Exists for those interested in the use, history, and preservation of electron tubes and electron tube technology.
- 816
- EB5AGV Amateur Radio and Test Equipment
- Features photos of the new hamshack construction, details, with photos and schematics of projects that include Drake, Kenwood and Yaesu repair or restoration, and a sales and wanted list. Spain.