Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	52.15	406.24772499999983	555.2062749999998	51.3375	52.9625	1.625	20250304_030217UTC_V00OS11.WAV
B	51.043752	0.0	189.5812750000001	50.962502	51.125002	0.1624999999999943	20250304_030217UTC_V00OS11.WAV
T	54.356248	379.1667749999997	595.8332249999997	53.537496	55.175	1.637504000000007	20250304_030217UTC_V00OS11.WAV