Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
U	41.3	433.333225	582.291775	40.675	41.925	1.25	20250216_062650UTC_V00OS11.WAV
T	41.293752	446.877275	582.2937249999999	40.65	41.937504	1.2875039999999984	20250216_062650UTC_V00OS11.WAV
T	34.85	446.8727249999996	595.8312749999997	33.8875	35.8125	1.9249999999999967	20250216_062650UTC_V00OS11.WAV