Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	38.156248	176.0427500000003	1096.8782500000002	37.912498	38.399998	0.4874999999999971	20250411_091635UTC_V00OS11.WAV
V	45.612504	406.24999999999966	974.9999999999995	45.462504	45.762504	0.2999999999999971	20250411_091635UTC_V00OS11.WAV
D	45.612504	365.6227249999998	1002.0812749999998	45.450004	45.775004	0.3250000000000028	20250411_091635UTC_V00OS11.WAV