Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	48.0875	67.70724999999999	947.91775	48.0125	48.1625	0.1500000000000056	20250409_091035UTC_V00OS11.WAV
"B"""	46.843752	0.0	189.5812750000001	46.762502000000005	46.925002	0.1624999999999943	20250409_091035UTC_V00OS11.WAV
C	46.912496	2.842170943040401e-13	853.1250000000002	46.749996	47.074996	0.3250000000000028	20250409_091035UTC_V00OS11.WAV