This scale, a Long Common Practice minor mode, has the Grandfather 3L 5s MOS with a 4:1 ratio of large against small.

Intervals

Degrees Octatonic Phrygian Mode (aka Double) Neapolitan Temperament (natural minor) Phrygian-Aeolian Mode Neapolitan Temperament (intermediate minor) Aeolian Mode Neapolitan Temperament (melodic/harmonic minor)
Absolute Minimum Minimum Median Maximum Intense Phrygian Intense Phrygian-Soft Aeolian Soft Aeolian Minimum Median Maximum
Minimum Median Maximum Minimum Median Maximum Minimum Median Maximum
1 G Gb 70.588 74.622 75.294 77.647 78.019 78.431 78.893 79.412 80 80.672 82.353 84.706
2 A\\ F#v/Gb^ 141.1765 149.244 150.588 155.294 156.037 156.863 157.7855 158.8235 160 161.3445 164.706 169.412
3 Gpv/A\\^ F# 211.765 213.8655 225.882 232.941 234.056 235.294 236.678 238.235 240 242.017 247.059 254.118
4 Gp G 282.353 298.487 301.1765 310.588 312.074 313.7255 315.571 317.647 320 322.689 329.412 338.8235
5 A 352.941 373.109 376.471 387.235 390.093 392.156 394.464 397.058 400 403.361 411.765 423.529
6 B 423.529 447.731 451.765 464.822 468.1115 470.588 473.356 476.471 480 484.034 494.118 508.235
7 H Hb 494.118 522.353 527.059 542.529 546.13 549.02 552.249 555.882 560 564.706 576.471 592.941
8 C\\ B#v/Hb^ 564.706 596.975 602.353 620.1765 624.149 627.451 651.142 635.294 640 645.378 658.8235 677.647
9 Hpv/C\\^ B# 635.294 671.597 677.647 697.8235 702.167 705.882 710.035 714.706 720 726.05 741.1765 762.653
10 Hp H 705.882 746.2185 752.941 777.471 780.186 784.314 788.927 794.118 800 806.723 823.529 847.059
11 C 776.471 820.84 828.235 855.118 858.204 862.745 867.82 873.529 880 887.395 905.882 931.765
12 D 847.059 895.462 903.529 932.765 936.223 941.1765 946.713 952.941 960 968.067 988.235 1016.471
13 E Eb 917.647 970.084 978.8235 1010.412 1014.2415 1019.607 1025.6055 1032.353 1040 1048.7395 1070.588 1101.1765
14 F\\ D#v/Eb^ 988.235 1044.706 1054.118 1088.059 1092.26 1098.039 1104.598 1111.765 1120 1129.412 1152.941 1185.882
15 Epv/F\\^ D# 1058.8235 1119.328 1129.412 1164.706 1170.028 1176.471 1183.391 1191.1765 1200 1210.084 1233.294 1270.588
16 Ep E 1129.412 1193.95 1204.706 1242.353 1248.297 1254.902 1262.284 1270.588 1280 1290.756 1317.647 1355.294
17 F 1200 1268.571 1280 1320 1326.316 1333.333 1341.1765 1350 1360 1371.429 1400 1440

Most harmonic tunings

Degrees Octatonic Phrygian Mode (natural minor) Phrygian-Aeolian Mode (intermediate minor) Aeolian Mode (melodic/harmonic minor)
15/7±13¢ 11/5±13¢ 9/4±13¢
1 G Gb 76.85-78.379 79.53-81.059 81.818-83.348
2 A\\ F#v/Gb^ 153.7-156.758 159.059-162.118 163.6365-166.695
3 Gpv/A\\^ F# 230.549-235.137 238.589-243.177 245.455-250.043
4 Gp G 307.398-313.516 318.119-324.236 327.272-333.391
5 A 384.248-391.895 394.648-405.295 409.091-416.738
6 B 461.0975-470.274 477.178-486.354 490.909-500.086
7 H Hb 537.947.548.653 556.707-567.4135 572.728-583.4335
8 C\\ B#v/Hb^ 614.797-627.032 636.237-648.473 654.546-666.781
9 Hpv/C\\^ B# 691.646-705.411 715.767-729.532 736.364-753.087
10 Hp H 768.496-783.79 795.297-810.591 818.182-833.4765
11 C 845.345-862.169 874.826-891.65 900.001-916.824
12 D 922.195-940.548 954.356-972.709 981.819-100.172
13 E Eb 999.0445-1018.927 1033.886-1053.768 1063.637-1083.519
14 F\\ D#v/Eb^ 1075.894-1097.306 1113.415-1134.827 1145.455-1166.867
15 Epv/F\\^ D# 1152.744-1175.685 1189.945-1215.876 1227.2735-1250.215
16 Ep E 1229.593-1254.064 1272.474-1296.945 1309.092-1333.562
17 F 1306.443-1332.443 1352.004-1378.004 1390.91-1416.91

Golden Tunings

Phrygian Mode (natural minor)

Degrees Octatonic Min-Med±13¢ Min-Max±13¢ Med-Max±13¢
1 G Gb 73.998-75.527 74.311-75.841 75.216-76.745
2 A\\ F#v/Gb^ 147.996-151.055 148.622-151.681 150.432-153.491
3 Gpv/A\\^ F# 221.994-226.582 222.9335-227.522 225.648-230.236
4 Gp G 295.992-302.109 297.245-303.362 300.864-306.982
5 A 369.99-377.637 371.556-379.203 376.08-383.727
6 B 443.9875-453.164 445.867-455.0435 451.296-460.472
7 H Hb 517.985-528.691 520.178-530.884 526.512-537.218
8 C\\ B#v/Hb^ 591.983-604.219 594.489-606.725 601.728-612.963
9 Hpv/C\\^ B# 665.981-679.746 668.8005-682.565 676.944-690.709
10 Hp H 739.979-755.273 743.112-758.406 752.16-767.454
11 C 813.977-830.801 817.423-834.246 827.376-844.166
12 D 887.975-906.328 891.734-910.087 902.592-920.945
13 E Eb 961.972-981.855 966.045-985.9275 977.808-997.69
14 F\\ D#v/Eb^ 1035.971-1057.383 1040.356-1061.768 1053.024-1074.436
15 Epv/F\\^ D# 1109.969-1132.91 1114.6675-1137.609 1128.24-1151.181
16 Ep E 1183.967-1208.437 1188.979-1213.449 1203.456-1227.926
17 F 1257.965-1283.965 1263.29-1289.29 1278.672-1304.672

Phrygian-Aeolian Mode (intermediate minor)

Degrees Octatonic Intense Phrygian Intense Phrygian-Soft Aeolian Soft Aeolian
Min-Med/Min-Max±13¢ Med-Max±13¢ Min-Med/Min-Max±13¢ Med-Max±13¢ Min-Med/Min-Max±13¢ Med-Max±13¢
1 G Gb 77.163-78.692 77.347-78.877 78.014-79.544 78.245-79.774 79.0895-80.618 79.385-80.915
2 A\\ F#v/Gb^ 155.325-157.384 155.695-157.7535 156.029-159.087 156.49-159.549 158.179-161.238 158.772-161.83
3 Gpv/A\\^ F# 231.488-236.076 232.042-236.63 234.043-238.631 234.735-239.323 237.268-241.857 238.157-242.746
4 Gp G 308.651-314.768 309.389-315.507 312.057-318.175 312.98-319.098 316.358-322.4755 317.543-323.661
5 A 385.814-393.4605 386.737-394.384 390.071-397.7185 391.225-398.872 395.447-403.094 396.929-404.576
6 B 462.976-472.1525 464.084-473.261 468.086-477.262 469.469-478.646 474.537-483.713 476.315-485.4913
7 H Hb 540.139-550.845 541.4315-549.423 546.1-556.806 547.715-558.421 553.627-564.332 555.7005-566.406
8 C\\ B#v/Hb^ 617.3015-629.537 618.779-631.014 624.114-636.35 625.96-638.195 632.716-644.951 635.086-647.322
9 Hpv/C\\^ B# 694.464-708.229 696.126-709.891 702.129-715.893 704.205-717.969 711.805-725.57 714.805-728.237
10 Hp H 771.629-786.921 773.4735-788.768 780.143-795.437 782.45-797.744 790.895-806.189 793.858-809.152
11 C 848.79-865.613 865.821-867.644 858.157-874.981 860.695-877.518 869.984-886.808 873.243-890.067
12 D 925.952-944.305 928.168-946.521 936.171-954.527 938.94-957.293 949.074-967.427 952.692-970.982
13 E Eb 1003.115-1022.997 1005.516-1025.398 1014.186-1034.0668 1017.185-1037.067 1028.163-1048.045 1032.015-1051.8975
14 F\\ D#v/Eb^ 1080.278-1101.689 1082.863-1104.275 1092.2-1113.612 1095.43-1116.841 1107.253-1128.664 1111.401-1132.813
15 Epv/F\\^ D# 1157.44-1180.381 1160.21-1183.151 1170.214-1193.1555 1173.675-1196.616 1186.3425-1209.283 1190.788-1213.728
16 Ep E 1234.603-1259.0735 1237.558-1262.028 1248.229-1272.699 1251.9195-1276.39 1265.4315-1289.902 1270.173-1294.643
17 F 1311.767-1337.767 1314.905-1340.905 1326.243-1352.243 1330.1645-1356.1645 1344.521-1370.521 1349.558-1375.558

Aeolian Mode (melodic/harmonic minor)

Degrees Octatonic Min-Med±13¢ Min-Max±13¢ Med-Max±13¢
1 G Gb 80.49-82.019 81.143-82.672 82.388-83.9175
2 A\\ F#v/Gb^ 160.979-164.038 162.286-165.345 164.776-167.835
3 Gpv/A\\^ F# 241.469-246.057 243.429-248.017 247.164-251.753
4 Gp G 321.958-328.076 324.5715-330.689 329.552-335.67
5 A 402.448-410.095 405.714-413.3615 411.9405-419.588
6 B 482.937-492.114 486.857-496.034 494.329-503.505
7 H Hb 563.427-574.133 568-578.716 576.717-587.423
8 C\\ B#v/Hb^ 643.917-656.152 649.143-661.378 659.105-671.34
9 Hpv/C\\^ B# 724.406-738.171 730.286-744.051 741.493-755.258
10 Hp H 804.896-820.19 811.429-826.723 823.881-839.175
11 C C 885.385-902.209 892.572-909.395 906.269-923.093
12 D D 965.875-984.228 973.715-992.0675 988.657-1007.01
13 E Eb 1046.364-1066.247 1054.857-1074.74 1071.045-1090.928
14 F\\ D#v/Eb^ 1126.854-1148.266 1136-1157.412 1153.4335-1174.845
15 Epv/F\\^ D# 1207.344-1230.285 1217.143-1240.084 1235.822-1258.762
16 Ep E 1287.833-1312.304 1298.286-1332.757 1318.21-1342.68
17 F 1368.322-1394.322 1379.429-1405.429 1400.598-1426.598