On 03/13/2018 08:33 PM, Al Kossow via cctalk wrote: > There are two gzip'ed files up now of analog digitized 9 track data under > http://bitsavers.org/projects/9track containing two files of 16 bit > incrementing > data patterns blocked 512 bytes/blk and the tach signal from a Qualstar 1260 > running > at 50 ips. > > The data can be viewed using Salea's Logic app in simulation mode if anyone > has burning > curiosity what a 1/2" tape block looks like. > > I made these as test data today for Len Shustek's 9 track readtape project > https://github.com/LenShustek/readtape
If anyone's curious, the 800 NRZI one expands to 2.2GB. Al, did you see this patent by Kennedy: https://patents.google.com/patent/US3947876 --Chuck
