Shmuel,

Whoops - brain fart. Bits per inch = bpi, but that's really bits per inch
per track!

Ron

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
> Behalf Of Shmuel (Seymour J.) Metz
> Sent: Sunday, 13 November 2005 7:24 AM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: SORTWKnn question
> 
> In <[EMAIL PROTECTED]>, on 11/12/2005
>    at 04:38 PM, Ron and Jenny Hawkins <[EMAIL PROTECTED]> said:
> 
> >Doesn't a 6250 reel tape only hold about 30MB of data,
> 
> Far more than that:
> 
>       BPI     Characters on 2400' reel        Characters on 3600' reel
>       200     5,760,000       8,640,000
>       800     22,080,000      34,560,000
>       1600    44,160,000      69,120,000
>       6250    172,500,000     270,000,000
> 
> 
> Subtract from those number an IRG allowance depending on the block
> size.
> 
> --
>      Shmuel (Seymour J.) Metz, SysProg and JOAT
>      Atid/2        <http://patriot.net/~shmuel>
> We don't care. We don't have to care, we're Congress.
> (S877: The Shut up and Eat Your spam act of 2003)
> 
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