Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	28.793752	148.9582250000002	785.4167750000001	28.575002	29.012502	0.4375	20250212_072050UTC_V00OS11.WAV
D	27.043752	135.4145000000002	988.5395000000002	26.850002	27.237502000000003	0.3875000000000028	20250212_072050UTC_V00OS11.WAV
E	48.6625	473.96050000000025	1002.0855000000004	48.3	49.025	0.7249999999999943	20250212_072050UTC_V00OS11.WAV
D	49.625	0.0032499999997526	907.2927499999998	49.45	49.8	0.3499999999999943	20250212_072050UTC_V00OS11.WAV
E	40.3125	365.6272749999998	744.7937249999998	40.15	40.475	0.3250000000000028	20250212_072050UTC_V00OS11.WAV
V	40.3062504	419.7917749999997	758.3332249999996	40.1375004	40.475000400000006	0.3375000000000057	20250212_072050UTC_V00OS11.WAV