Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	51.318752	257.29177500000026	392.7082250000003	50.6125	52.025004	1.4125039999999984	20250204_050250UTC_V00OS11.WAV
P	51.325	270.8312749999999	406.247725	50.6375	52.0125	1.375	20250204_050250UTC_V00OS11.WAV