202edt

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← 201edt202edt203edt →
Prime factorization 2 × 101
Step size 9.41562¢ 
Octave 127\202edt (1195.78¢)
Consistency limit 2
Distinct consistency limit 2

202 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 202edt or 202ed3), is a nonoctave tuning system that divides the interval of 3/1 into 202 equal parts of about 9.42 ¢ each. Each step represents a frequency ratio of 31/202, or the 202nd root of 3.

Harmonics

Approximation of harmonics in 202edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) -4.22 +0.00 +0.98 +0.71 -4.22 +1.97 -3.23 +0.00 -3.51 +0.97 +0.98
Relative (%) -44.8 +0.0 +10.4 +7.5 -44.8 +20.9 -34.3 +0.0 -37.2 +10.3 +10.4
Steps
(reduced)
127
(127)
202
(0)
255
(53)
296
(94)
329
(127)
358
(156)
382
(180)
404
(0)
423
(19)
441
(37)
457
(53)
Approximation of harmonics in 202edt
Harmonic 13 14 15 16 17 18 19 20 21 22 23
Error Absolute (¢) +3.64 -2.25 +0.71 +1.97 +0.58 -4.22 -3.66 +1.69 +1.97 -3.25 +4.54
Relative (%) +38.7 -23.9 +7.5 +20.9 +6.2 -44.8 -38.9 +18.0 +20.9 -34.5 +48.2
Steps
(reduced)
472
(68)
485
(81)
498
(94)
510
(106)
521
(117)
531
(127)
541
(137)
551
(147)
560
(156)
568
(164)
577
(173)