Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
P	31.018752	81.25000000000014	243.7500000000001	30.362504	31.675	1.312496000000003	20250420_075835UTC_V00OS11.WAV
H	34.85	67.71049999999977	230.21049999999977	34.275	35.425000000000004	1.1500000000000057	20250420_075835UTC_V00OS11.WAV
P	17.256248	94.79372500000004	243.75227500000005	16.549996	17.9625	1.4125039999999984	20250420_075835UTC_V00OS11.WAV