[Gllug] Historical question

[Jason]

>
> 128 k * 1024 byte/k * 8 bit/byte / 2400 bit/sec / 60 sec/min
>
> == 7 min
>
> which is about the right magnitude, but I think more like twice that
> long? So 1200 bit /sec would mean half a meg on a tape?
>

is this a 60min or 90 min tape (or the 15min tapes you used to get for the
speccy etc)?
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