Amateur
- 721
- WG3E
- Lancaster, Pennsylvania ham provides details about his interests and activities, and offers Section Finder, a software program.
- 724
- Willy Dog 5
- WD5DZG offers articles on antennas, restoration and homebrew as well as a biography. Tennessee.
- 729
- Collins Radio Classics
- Virtual museum honors the Collins radios manufactured for ham radio use as well as some of the commercial radios which later became popular for amateur applications.
- 732
- Collins compendium by VK3JQ/VK3KCM
- Collins amateur radio equipment information and links about glowbugs, boatanchors and antique valve radio equipment.
- 733
- H. Dave Meitzen AA9TT Amateur Radio Service
- Contains Collins' descriptions and photographs, and an add-on component page.
- 737
- Virtual Museum of Collins Radios
- A collection of classic and military Collins radios, each with pictures and specifications.
- 738
- Drake List
- Includes message board, technical notes, modification and parts information, and links.