Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	48.425	257.29177500000014	677.0832250000002	48.0375	48.8125	0.7750000000000057	20250204_015050UTC_V00OS11.WAV
C	46.862504	189.5855	961.4605	46.700004	47.025004	0.3250000000000028	20250204_015050UTC_V00OS11.WAV
V	46.862504	230.20724999999965	947.9177499999996	46.712504	47.012504	0.2999999999999971	20250204_015050UTC_V00OS11.WAV
D	46.85	230.2072500000001	974.99675	46.7125	46.9875	0.2750000000000057	20250204_015050UTC_V00OS11.WAV