Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
C	44.862504	1597.918725	2193.7522750000003	44.687504	45.037504	0.3499999999999943	20250213_072050UTC_V00OS11.WAV
D	11.887504	135.41775000000007	1002.0822500000002	11.725004	12.050004	0.3249999999999993	20250213_072050UTC_V00OS11.WAV
D	17.062496	121.8717499999998	839.5822499999998	16.912496	17.212495999999998	0.2999999999999971	20250213_072050UTC_V00OS11.WAV
D	23.156248	162.5032499999998	947.9177499999998	22.999998	23.312498	0.3125	20250213_072050UTC_V00OS11.WAV