ANSI INCITS 39 : 1986 : R2002

1 Scope and Purpose
  1.1 Scope
  1.2 Purpose
2 Referenced and Related Standards
  2.1 American National Standards
  2.2 Other Standards
  2.3 Related American National Standard
3 Definitions
4 Recording Area Markers
5 Recording
  5.1 Method
  5 2 Density of Recording
  5.3 Flux Transition Spacing
  5 4 Total Character Skew
  5.5 Erase
  5.6 Signal Amplitude
6 Format
  6.1 Track Format
  6.2 Track Dimensions
  6.3 Reference Edge
  6.4 Track Identification
  6.5 Block Length
  6.6 Density Identification Area
  6.7 Gaps
  6.8 Tape Mark
Appendix Recommended Procedure and Instrumentation for Measuring
          Flux Transition Spacing
   A1. Procedure
   A2. Instrumentation
Table A1 Worst-Case Test Patterns
Figure A1 Setup of Calibration of Read Chain

Gives specifications for format and recording for a 1/2 inch (12.7-mm), 9-track magnetic tape to be used for information interchange among information processing systems, communication systems, and associated equipment utilizing a code for information interchange that was agreed upon by the interchange parties.