Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
H	41.568752	81.25227499999977	216.66872499999977	40.9875	42.150004	1.1625039999999984	20250416_135235UTC_V00OS11.WAV
F	31.737504	67.70822499999986	419.7917749999999	31.575004	31.900004000000003	0.3250000000000028	20250416_135235UTC_V00OS11.WAV