Description and opinions of the S-Line radios.

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.

Military radio piece with its history, lore, and photographs.

Chuck Rippel, WA4HHG shares some expertise on his 32V-3 work.

Article on rebuilding Collins R-390A receivers. Many pictures show the details. Documents are here for those who wish to try it.

N2CKH presents a page about this classic military or commercial unit.

Picture galleries and specifications of the Collins R-389/URR VLF Receiver, the famous tube type LF receiver built for the military. It is favored by many low frequency operators.

Pictures and information about this classic SSB pair.

Article by Chuck Rippel discussing capacitor problems in Collins radios.

Image of a 100 share certificate.