Amateur
- 802
- 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.
- 803
- 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.
- 805
- 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.
- 806
- 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.
- 807
- Tube Collectors Association
- Exists for those interested in the use, history, and preservation of electron tubes and electron tube technology.
- 808
- 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.
- 811
- The Radio Lab Works
- N9OO, Don Buska in Kenosha, Wisconsin. Includes his biography, details of his AM and SSB equipment, and photographs.
- 815
- WA9WFA - Classic Ham Radio and National SW-3
- Photos and information on a number of vintage transmitters and receivers.
- 816
- WBØRLD
- K7RLD presents a collection of receivers, transmitters and mobile rigs. Photos and information.
- 817
- Ik6bak
- Offers a collection of telegraph keys from Italy and other countries, as well as a photograph album, and beacon details.