> On Jun 19, 2015, at 3:35 PM, Ian S. King <[email protected]> wrote:
> 
> There's a formatter for DECtapes that can create 12-bit or 18-bit formats.
> I don't recall the name off the top of my head, but ISTR it was easy to
> find.

The format is described in the manuals.  And while the PDP-11 formatter I have 
seen doesn’t do 12-bit format, it seems like it would be a simple programming 
exercise to convert it to produce that.   There’s nothing in the drive itself 
that gets in the way.

        paul

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