Photos, description, and history of many grid dip meters.
Interests are operating, maintaining, and restoring vintage gear, as well as building homebrew equi...
KB7RGG's comprehensive site with information about the era of electronic kits.
Antique radio, TV and audio resources site. Offers a technical discussion forum, schematics and man...
G3GIQ presents technical details on various Collins and RCA radios.
List and description, includes: B and W, Central Electronics, Collins, E. F. Johnson, Gonset, Halli...
Answers questions about vintage tube-type ham radio and communications equipment.
Dave gives his history in amateur radio, QSL cards, and projects. Includes manuals and schematics f...
Projects on shortwave and amateur radio receivers, with pictures. [Japanese and English]
Brief description of Herbert G. Johnson, W6QKI, founder of Swan Electronics and Atlas Radio Co.
Joe Tyburczy has included schematics, pictures and stories about the Ameco AC-1 transmitter II, boa...
G3YNH provides a collection of scientific articles on the subject of impedance,impedance matching a...