On Sun, 3 Jun 2012, Fred Cisin wrote:
A DD track is about 1/3mm wide, and spaced about 1/2mm
apart (48 tpi)
An HD track is about 1/6mm wide, and spaced about 1/4mm apart (96tpi)
How on earth do you come to that conclusion? I have enough 96tpi "DD"
drives. I think you mix up track density and recording density, two
unrelated things.
Christian