alt Hacker NewsA perfect resource, still as relevant as ever.
Genlock, Clock Gen and their friends are at the top of the "check all of the responsible hardware, the ports, and the cables" list when someone is having a flaky problem that doesn't make sense to anybody. Shortly followed by 44.1 vs 48khz and 59.94 vs 60fps being wrong somewhere
Not to forget someone using a 50ohm CB cable instead of a 75ohm cable. Or someone forgetting a terminator or having the signal double terminated.