AS 1011-1993 Information processing systems - Unrecorded 12.7 mm (0.5 in) wide magnetic tape for information interchange - 32 ftpmm (800 ftpi), NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpmm (9042 ftpi), NRZ1
standard by Standards Australia, 01/01/1993