Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	50.206248	135.41775000000035	920.8322500000004	50.037498	50.374998000000005	0.3375000000000057	20250212_045650UTC_V00OS11.WAV
D	52.056248	0.0032500000003778	785.4177500000003	51.912498	52.199998	0.2874999999999943	20250212_045650UTC_V00OS11.WAV
D	37.381248	0.0	798.9572500000002	37.249998	37.512498	0.2625000000000028	20250212_045650UTC_V00OS11.WAV
D	29.637496	40.62174999999962	798.9572499999997	29.449996	29.824996	0.375	20250212_045650UTC_V00OS11.WAV