The specification for a full-track, one-quarter inch (6.3 mm) width open-reel test tape is being published by EIA. It is for a dual-purpose tape for 95 and 190 mm/s (3.75 and 7.5 in/s) tape speeds, containing a reference flux per width (not program reference) of 100 nWb/m: a coarse and a fine azimuth adjusting section; and a point-by-point frequency response section following the NAB flux-frequency response with minor modifications. Extensive users' instructions, and comments on the development of the standard are included.
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