Sep. 2023 Hokkaido Sapporo-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 43.05 Longitude of receiver(Degree): 141.35 Distance from Hagane-yama LF station (km): 1440 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.894 59.0 1:00 0.894 59.0 2:00 0.894 59.0 3:00 0.894 59.0 4:00 0.894 59.0 5:00 0.816 58.2 6:00 0.800 58.1 7:00 0.879 58.9 8:00 0.681 56.7 9:00 0.488 53.8 10:00 0.360 51.1 11:00 0.284 49.1 12:00 0.253 48.1 13:00 0.257 48.2 14:00 0.300 49.5 15:00 0.385 51.7 16:00 0.530 54.5 17:00 0.738 57.4 18:00 0.895 59.0 19:00 0.734 57.3 20:00 0.872 58.8 21:00 0.894 59.0 22:00 0.894 59.0 23:00 0.894 59.0