> On Apr 24, 2017, at 8:44 AM, Terry Stewart via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> Hi guys,
> 
> Ive been extracting data off a 3.5 inch windows XP-formatted floppy disk
> with many bad sectors.  The odd thing is it's always the same bad sectors
> on every track.  Such a 3, 8, 12 and 17.  Once or twice it might be just 3,
> 8 and 17.  Or occasionally 3, 8, 9 12, 17.  This patten is the same for
> every track.  It's  (more or less) always the same sectors that are bad.
> Why?  I can't believe natural degredation would be so consistent.  Anyone
> have any thoughts?

A radial scratch on the media?

        paul


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