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Standard ECMA-139
3,81 mm Wide Magnetic Tape Cartridge for Information Interchange - Helical Scan Recording - DDS Format

(June 1990)

This Ecma Standard specifies the physical and magnetic characteristics of a 3,81 mm wide magnetic tape cartridge to enable interchangeability of such cartridges. It also specifies the quality of the recorded signal, the format and the recording method, thereby allowing data interchange by means of such magnetic tape cartridges.

The following file can be freely downloaded:

File name Size (Bytes) Content
ECMA-139.pdf 7 505 551    Acrobat (r) PDF file

This Ecma publication is also approved as ISO/IEC 10777.

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