Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	55.887496	0.0032500000004347	1394.7927500000003	55.799996	55.974996	0.1749999999999971	20250212_063250UTC_V00OS11.WAV
B	54.85	0.0022749999998978	216.66872499999997	54.775	54.925	0.1500000000000056	20250212_063250UTC_V00OS11.WAV
D	2.137504	94.79274999999984	1002.08225	1.937504	2.337504	0.4000000000000001	20250212_063250UTC_V00OS11.WAV