27 Feb
2023
27 Feb
'23
3:29 p.m.
On 2/27/23 14:14, Fred Cisin via cctalk wrote:
Then, I made the students describe how to make a 48tpi
disk with a 96tpi
drive.
One thing that folks need to bear in mind is that it's the change of
direction of magnetization that induces a signal in a drive head. So a
DC or AC erase on the "straddling" portions of a track will work equally
as well.
--Chuck