Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
J	38.731248	5484.375	5931.25	38.037496	39.425	1.387504000000007	20250218_030250UTC_V00OS11.WAV
H	38.725	5511.4605	5917.7105	37.95	39.5	1.5499999999999972	20250218_030250UTC_V00OS11.WAV