Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	49.731248	270.8312749999999	406.247725	48.912496	50.55	1.637504000000007	20250415_193435UTC_V00OS11.WAV
P	36.337504	270.83127500000023	446.8727250000002	35.450004	37.225004000000006	1.7750000000000057	20250415_193435UTC_V00OS11.WAV