Feb. 2022 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 0.819 58.3 1:00 0.819 58.3 2:00 0.819 58.3 3:00 0.819 58.3 4:00 0.819 58.3 5:00 0.819 58.3 6:00 0.696 56.9 7:00 0.795 58.0 8:00 0.793 58.0 9:00 0.600 55.6 10:00 0.445 53.0 11:00 0.364 51.2 12:00 0.335 50.5 13:00 0.339 50.6 14:00 0.379 51.6 15:00 0.478 53.6 16:00 0.650 56.3 17:00 0.821 58.3 18:00 0.708 57.0 19:00 0.749 57.5 20:00 0.819 58.3 21:00 0.819 58.3 22:00 0.819 58.3 23:00 0.819 58.3