Meeting dates, repeater frequencies, technical data summary, and transmitter information. Columbus, Ohio.
Amateur television information for several states in the United States. Lists nets, repeater maps and provides an application form.
Netherlands-based amateur Frits presents station information, ATV projects, photos and links.
ATV stations portal features film archive, and list of repeaters.
KB7RGG's comprehensive site with information about the era of electronic kits.
List and description, includes: B and W, Central Electronics, Collins, E. F. Johnson, Gonset, Hallicrafters, Hammarlund, Heath, National, Drake.
Answers questions about vintage tube-type ham radio and communications equipment.
Projects on shortwave and amateur radio receivers, with pictures. [Japanese and English]
G3YNH provides a collection of scientific articles on the subject of impedance,impedance matching and high-frequency power transmission, Racal RA17 and related equipment, Trio / Kenwood TS-430S information, and numerical indicator (Nixie*) tubes.
Includes classifieds, auction, Hallicrafters HT-37 audio mods, Globe King 500B and Globe Champion 300-A photos and details, and 75 meter AM audio files.
WA4KCY's list of AM resources. Includes pictures and a list of southeastern USA hamfests.
Celebrating and promoting amplitude modulation on the ham bands. From south Florida.
Exists to promote and serve the needs of the AM community. Includes AM Press/Exchange Online publication, and the AM Radio Email Reflector.
A resource for AMers that includes mods and tutorials.
AM station described. Also, learn how to convert AM broadcast radios to receive one sixty meters.
Dedicated to AM on the amateur bands, the restoration of boatanchors and retired broadcast transmitters.
Pictures and descriptions of stations in the Phoenix, Arizona area utilizing AM and older transmitters and receivers.
Promoting AM operation on the 160 meter band.
Collins receivers 1950s-1980s plus other Collins radio information.
312B-5 restoration photographs.
Description and opinions of the S-Line radios.
Military radio piece with its history, lore, and photographs.
A collection of classic and military Collins radios, each with pictures and specifications.
N2CKH presents a page about this classic military or commercial unit.
Contains Collins' descriptions and photographs, and an add-on component page.
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.
Club for Collins radio enthusiasts. Includes award information and calendar.
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.
Includes message board, technical notes, modification and parts information, and links.