Floyd Soo recognized something that the R-390A community needed before most of its members realized it themselves: the knowledge held by the hobby’s most skilled restorers existed almost entirely as text — mailing list posts, written procedures, and personal experience that could not fully convey the visual and tactile dimensions of working on these receivers. Through his company HI-RES Communications, Floyd produced the landmark R-390A restoration video series that captured Chuck Rippel’s expertise on tape and made it accessible to a far wider audience.

The Video Series

The R-390A video set was a substantial production — four VHS tapes totaling approximately seven hours of content, featuring Chuck Rippel performing a comprehensive restoration walkthrough. Rippel, widely regarded as one of the foremost R-390A restoration authorities, demonstrated techniques and procedures that were difficult or impossible to convey through written descriptions alone. The camera captured hand positions, tool techniques, visual inspection methods, and the subtle physical cues that experienced restorers use to evaluate component condition — knowledge that lives in the hands and eyes rather than on paper.

Seven hours was not excessive for the subject matter. A thorough R-390A restoration touches every module in the receiver, and the mechanical complexity of the gear train, the precision required in IF alignment, and the dozens of potential failure points in a sixty-year-old receiver each demanded detailed visual treatment. Floyd’s production gave Rippel the time to be thorough rather than superficial, resulting in a reference that restorers could pause, rewind, and study at the bench.

Beyond the R-390A

HI-RES Communications’ catalog extended beyond the R-390A to cover other cornerstone Collins equipment. Floyd produced video sets for the Collins 75A-4 receiver, the KWM-2 transceiver, and the S-Line series — collectively covering the most popular and collectible Collins amateur equipment of the vacuum tube era. Each production followed the same philosophy: capture genuine expertise on video, at sufficient length and detail to serve as a practical bench reference.

Floyd also developed and sold the PDC-1 wattmeter kit through HI-RES Communications, demonstrating the breadth of his involvement in the amateur radio equipment market. The PDC-1 served a practical station need and reflected Floyd’s understanding that the community valued both knowledge resources and well-designed test equipment.

The Medium and the Message

The choice of video as a medium for R-390A restoration knowledge was ahead of its time. Floyd’s productions predated the YouTube era that would eventually make video tutorials commonplace. In the VHS era, producing and distributing instructional video content required substantial investment in equipment, editing, and physical media duplication and shipping. Floyd made that investment because he understood both the value of the knowledge being captured and the limitations of text-only documentation for hands-on mechanical and electronic work.

The Universal Radio catalog carried the HI-RES video series, giving it distribution reach beyond the mailing list community and making it available to newcomers who might not yet have found the R-390 reflector or the growing network of R-390A websites. For many collectors, the HI-RES tapes were their first detailed exposure to what a proper R-390A restoration actually involved.

Preserving Expertise

The enduring value of Floyd’s work lies in what it preserved. Written procedures can describe what to do, but video captures how to do it — the rhythm of work, the visual assessment of condition, the physical technique that distinguishes careful restoration from clumsy intervention. By putting Chuck Rippel’s decades of experience on tape, Floyd ensured that this knowledge would survive in a form that could teach future restorers with a fidelity that text alone cannot match.

As the original generation of R-390A experts ages out of active involvement, the importance of these recordings only increases. They represent a permanent capture of restoration knowledge at a level of detail that can genuinely transfer skill from master to student — even across decades and without the two ever meeting.