Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
T	42.137504	406.2522750000004	582.2937250000003	41.237504	43.037504	1.7999999999999972	20250222_091450UTC_V00OS11.WAV
V	20.65	1354.1645	1557.2895	20.175	21.125	0.9500000000000028	20250222_091450UTC_V00OS11.WAV
P'	20.681248	1354.1645	1557.2895	20.187496	21.175	0.9875040000000012	20250222_091450UTC_V00OS11.WAV
T	37.006248	446.877275	582.2937249999999	36.525	37.487496	0.9624960000000016	20250222_091450UTC_V00OS11.WAV