Clemens Stubbe Østergaard The Scholar at the Receiver The R-390A community has always attracted serious people — engineers, technicians, former military operators, and dedicated amateurs who approach the receiver with the same rigour they bring to their professional lives. Clemens…
Dr. Gerald N. Johnson — KE0KI The Engineer in the Room Most online technical communities have enthusiasts, experienced hobbyists, and the occasional retired technician. Very few have a licensed Professional Engineer with a Ph.D. in electrical engineering who shows up…
Electric Radio Magazine — Barry Wiseman N6CSW & Ray Osterwald N0DMS The Publication That Gave the Community a Voice Every technical community needs somewhere to put its knowledge down in writing — somewhere permanent, indexed, and reproducible. For the R-390A…
Jan Skirrow, VE7DJX British Columbia, Canada Circuit Designer · Kit Builder · Community Innovator Jan Skirrow, VE7DJX, is one of the R-390A community’s most enduring innovators — a designer who translated the theoretical improvements that the reflector’s technical community had…
David Medley United States Master Restorer · R-390 Family Specialist David Medley was one of the most skilled hands-on restorers of R-390 family receivers in the community’s history. A Medley restoration was considered a mark of quality — a receiver…
Roger Ruszkowski, KC6TRU United States Ex-Military Operator · Technical Authority · Reflector Legend Roger Ruszkowski, KC6TRU, was among the most respected technical voices on the R-390 reflector during the mailing list’s most active years in the early-to-mid 2000s. His combination…
Peter Graves Silent Key New Jersey, United States Custodian of the Fowler R-390A, Serial Number 1 · Silent Key, 2023 Peter Graves held a distinction that is unique in the history of the R-390A: he was the owner of the…
Wally Chambers – SK United States R-390 Manufacturer Historian · Silent Key Wally Chambers was the community’s foremost historian of the R-390 family’s manufacturing history. In a community where most expertise is focused on circuit operation, alignment technique, or restoration…
Al Tirevold, WA0HQQ Silent Key United States Website Administrator · Community Archivist · Silent Key, July 2021 Al Tirevold, WA0HQQ, is one of the most quietly indispensable figures in the modern history of the R-390A community. For years he supported…
Bob Thomas, VE3TOU Godfrey, Ontario, Canada Founder, Treetop Circuits · SSB Adapter Designer · Licensed Amateur Since 1958 Bob Thomas, VE3TOU, is the designer and founder of Treetop Circuits — the small Ontario cottage operation that for thirteen years produced…