On 06/04/2018 11:20 AM, Rich Alderson via cctalk wrote: > For decades, I remembered the lowest density for magnetic tapes as 225 > bits/in, > not 200. I have never been able to find the number "225" in any manual since > starting the project which became the museum 15 years ago (sob!), but it still > hangs around in my mind and pings whenever I see "200BPI" mentioned.
Nope. I've seen 248 mentioned and I have period-specific tapes that are declared to be 200 bpi on the label and then there's this: http://www.digitalheritage.de/peripherals/cdc/604/604.htm Note the density indicators on this panel from a CDC 604. --Chuck
