Sep. 2021 Kagawa-ken Takamatsu-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 34.33 Longitude of receiver(Degree): 134.03 Distance from Hagane-yama LF station (km): 368 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 4.042 72.1 1:00 4.042 72.1 2:00 4.042 72.1 3:00 4.042 72.1 4:00 3.966 72.0 5:00 1.745 64.8 6:00 2.099 66.4 7:00 3.152 70.0 8:00 3.182 70.1 9:00 3.227 70.2 10:00 2.425 67.7 11:00 2.443 67.8 12:00 2.525 68.0 13:00 2.504 68.0 14:00 2.403 67.6 15:00 2.618 68.4 16:00 3.524 70.9 17:00 2.146 66.6 18:00 4.033 72.1 19:00 4.257 72.6 20:00 3.817 71.6 21:00 4.042 72.1 22:00 4.042 72.1 23:00 4.042 72.1