>It would have to be 9-track to fix the registration
>problem. It is easier to implement a self-clocked one
>track protocol. That's why 9-tracks are dead.

Are you referring to 9 track 800/1600BPI tape? If so then the 1600BPI NRZI
tapes were certainly self clocking on each track, and could deal with quite
reasonable skew between tracks without errors because of this.

Alan (who used to repair 1600BPI controllers).

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