Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	48.725	473.956275	609.372725	48.0125	49.4375	1.4249999999999972	20250409_131635UTC_V00OS11.WAV
T	52.937504	460.4145	622.9145	52.112504	53.762504	1.6500000000000057	20250409_131635UTC_V00OS11.WAV