Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	20.137496	121.8717500000002	1002.0822500000002	19.937496	20.337496	0.3999999999999986	20250310_094417UTC_V00OS11.WAV
P	30.656248	54.16449999999965	176.03949999999963	29.899996	31.4125	1.5125039999999998	20250310_094417UTC_V00OS11.WAV
P	0.881248	67.7105000000002	189.5855000000002	0.1375	1.624996	1.4874959999999997	20250310_094417UTC_V00OS11.WAV