Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	37.462504	148.9572499999997	1015.6217499999998	37.212504	37.712504	0.5	20250204_232650UTC_V00OS11.WAV
D	27.3	54.16775000000018	812.5032500000002	27.1	27.5	0.3999999999999986	20250204_232650UTC_V00OS11.WAV
D	1.193752	67.7072499999997	907.2927499999996	1.037502	1.350002	0.3125	20250204_232650UTC_V00OS11.WAV
D	2.462504	189.5854999999998	920.8354999999998	2.300004	2.625004	0.3250000000000002	20250204_232650UTC_V00OS11.WAV