CAN/CGSB 186.8-93/ 7487/2:1985
CAN/CGSB 186.8-93/ISO 7487/2:1985
Information Processing - Data Interchange on 130 mm (5.25 in) Flexible Disk Cartridges Using Modified Frequency Modulation Recording at 7 958 ftprad, 1.9 tpmm (48 tpi), on Both Sides - Part 2: Track Format A
standard published 08/01/1993 by Canadian General Standards Board