That's an amazing story, and TIL: https://en.wikipedia.org/wiki/Fetron Any pointers to the origin of "repeaters"?
And thanks for making this old person from Bell Labs feel positively like a young noob. (was there in the late 90s).
Edit: Wayback machine has the Teledyne spec sheet too: https://web.archive.org/web/20160227184512/http://hrsasa.asn...