Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	43.812496	5931.25	6500.0	43.537496	44.087496	0.5499999999999972	20250304_092017UTC_V00OS11.WAV
D	40.3625	0.0	690.6249999999998	40.1	40.625	0.5250000000000057	20250304_092017UTC_V00OS11.WAV
C	55.687504	2654.16775	4103.12825	55.437504	55.937504	0.5	20250304_092017UTC_V00OS11.WAV
E	36.243752	162.4977250000002	555.2062750000002	35.875002	36.612502	0.7374999999999972	20250304_092017UTC_V00OS11.WAV