Oct. 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 0.656 56.3 7:00 0.821 58.3 8:00 0.738 57.4 9:00 0.535 54.6 10:00 0.394 51.9 11:00 0.328 50.3 12:00 0.305 49.7 13:00 0.308 49.8 14:00 0.339 50.6 15:00 0.422 52.5 16:00 0.585 55.3 17:00 0.787 57.9 18:00 0.797 58.0 19:00 0.697 56.9 20:00 0.819 58.3 21:00 0.819 58.3 22:00 0.819 58.3 23:00 0.819 58.3