Mar. 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 0.878 58.9 6:00 0.734 57.3 7:00 0.896 59.0 8:00 0.739 57.4 9:00 0.537 54.6 10:00 0.401 52.1 11:00 0.328 50.3 12:00 0.289 49.2 13:00 0.294 49.4 14:00 0.342 50.7 15:00 0.431 52.7 16:00 0.584 55.3 17:00 0.795 58.0 18:00 0.889 59.0 19:00 0.729 57.2 20:00 0.893 59.0 21:00 0.894 59.0 22:00 0.894 59.0 23:00 0.894 59.0