31/28

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Interval information
Ratio 31/28
Monzo [-2 0 0 -1 0 0 0 0 0 0 1
Size in cents 176.20966
Name(s) Tricesimoprimal whole tone, Tetracot whole tone
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31/28 is a mildly flat whole tone, 280/279 flat of 10/9 and 155/154 sharp of 11/10. It is an excellent generator for Tetracot temperament, as it is just 1/25th of a cent sharper than the POTE generator for 5-limit tetracot. Curiously, this is not the mapping used for the ultra high limit Stratosphere extension, suggesting there might be other unexplored high level extensions in this region.