May. 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 0.803 58.1 5:00 0.772 57.8 6:00 0.891 59.0 7:00 0.728 57.2 8:00 0.519 54.3 9:00 0.363 51.2 10:00 0.256 48.2 11:00 0.197 45.9 12:00 0.175 44.9 13:00 0.178 45.0 14:00 0.210 46.4 15:00 0.278 48.9 16:00 0.396 52.0 17:00 0.567 55.1 18:00 0.783 57.9 19:00 0.891 59.0 20:00 0.727 57.2 21:00 0.849 58.6 22:00 0.894 59.0 23:00 0.894 59.0