Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	54.112504	501.0395000000001	704.1645000000001	53.425004	54.800004	1.375	20250419_231035UTC_V00OS11.WAV
T	20.712504	501.0417749999997	677.0832249999996	20.250004	21.175004	0.9249999999999972	20250419_231035UTC_V00OS11.WAV