Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
D	43.768752	257.29177500000003	758.333225	43.500002	44.037502	0.5374999999999943	20250131_182050UTC_V00OS11.WAV
D	40.2312504	27.082249999999817	866.6677499999998	40.0125004	40.4500004	0.4375	20250131_182050UTC_V00OS11.WAV
E	51.518752	230.20627499999983	731.2477249999997	51.200002	51.837502	0.6375000000000028	20250131_182050UTC_V00OS11.WAV
D	37.343752	230.20627499999983	731.2477249999997	37.200002000000005	37.487502	0.2874999999999943	20250131_182050UTC_V00OS11.WAV