Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	38.943752	379.16677500000014	555.2082250000002	37.88750400000001	40.0	2.112495999999993	20250310_002617UTC_V00OS11.WAV
T	35.118752	392.7082250000002	541.6667750000001	34.075	36.162504	2.087503999999996	20250310_002617UTC_V00OS11.WAV
T	12.256248	365.62727500000005	582.2937250000001	11.487496	13.025	1.5375039999999984	20250310_002617UTC_V00OS11.WAV
T	48.75	501.03949999999975	663.5394999999997	48.225	49.275	1.0499999999999972	20250310_002617UTC_V00OS11.WAV
E	50.062496	216.6645000000001	785.4145000000001	49.687496	50.437496	0.75	20250310_002617UTC_V00OS11.WAV