Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	44.5	419.79372500000034	568.7522750000004	43.5375	45.4625	1.9249999999999967	20250411_021035UTC_V00OS11.WAV
D	40.2125	0.0	798.9572500000002	40.025	40.4	0.375	20250411_021035UTC_V00OS11.WAV
T	54.85	406.24772499999983	555.2062749999998	53.7	56.0	2.299999999999997	20250411_021035UTC_V00OS11.WAV
D	51.362496	257.29275000000035	1002.0822500000004	51.174996	51.549996	0.375	20250411_021035UTC_V00OS11.WAV
T	39.093752	446.877275	582.2937249999999	38.187504	40.0	1.812495999999996	20250411_021035UTC_V00OS11.WAV