imaging DC600A QIC tapes

[der Mouse]

>> [...QIC stuff...]
> Blocking factor doesn't seem relevant as the unit's reading
> *something*.

For QIC tapes, yeah, blocking factor is irrelevant.  Unlike traditional
Unix tapes, which are streams of variable-length records and tape
marks, QIC tapes are streams of 512-byte blocks and tape marks.  (The
quintessential Unix tape is probably an 800bpi nine-track half-inch
tape, which approximately doesn't exist these days.)

In passing, on the "whom to reply to" thread, this message came in with
a header

> Reply-To: julesrichardsonuk at yahoo.co.uk,
>         "General Discussion: On-Topic and Off-Topic Posts"
> 	<cctalk at classiccmp.org>

I noticed this when I tried to reply and saw both addresses in the To:;
upon checking, I found that Reply-To:.

How it got that way, of course, is a different question.

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