There are a few odd balls in 9-track as well, but the 556 was a typo. On Tue, Feb 9, 2016 at 9:17 AM, Paul Koning <paulkon...@comcast.net> wrote:
> > > On Feb 9, 2016, at 12:11 PM, Dave Wade <dave.g4...@gmail.com> wrote: > > > >>> ... > >>> I'll see what I can do to get it converted to a downloadable file. I > >>> have a friend with both a 9 track (556/800/1600) and a 7 track > > transport. > >> > >> 556 bpi 9 track??? That (along with 200 and 800) is a standard density > > for 7 > >> track tape, but for 9 track I've only seen 800, 1600, 6250. > >> > >> paul > > Honeywell had a 1200BPI 7-Track that used Chrome tape... > > Yes, in non-9 track there are a number of more obscure formats. There's > CDC's 14 track (1 inch wide) tape, there is the original Univac Uniservo > with metal tape apparently at 128 bpi, etc. > > paul > > > >