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29.8 Hz Square Wave 30 sec
29.7 Hz Square Wave 30 sec
40.8 Hz Square Wave 30 sec
27.8 Hz Square Wave 30 sec
35.8 Hz Square Wave 30 sec
34.8 Hz Square Wave 30 sec
38.8 Hz Square Wave 30 sec
89.1 Hz Square Wave 30 sec
1.93 Hz Square Wave 30 sec
42.8 Hz Square Wave 30 sec
21.8 Hz Square Wave 30 sec
30.4 Hz Square Wave 30 sec
