Awaji      2021/09/23  00:00    100 Hz  4096
4 channels 5006 kHz     8006 kHz     6055 kHz     3925 kHz
UT         Freq    Amp  Freq    Amp  Freq    Amp  Freq    Amp
hh mm ss     Hz   dBuV    Hz   dBuV    Hz   dBuV    Hz   dBuV