Sep. 2022 Chiba-ken Chiba-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 35.60 Longitude of receiver(Degree): 140.12 Distance from Hagane-yama LF station (km): 939 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.865 58.7 1:00 0.865 58.7 2:00 0.865 58.7 3:00 0.865 58.7 4:00 0.845 58.5 5:00 1.060 60.5 6:00 1.471 63.3 7:00 0.480 53.6 8:00 1.139 61.1 9:00 1.222 61.7 10:00 1.095 60.8 11:00 0.905 59.1 12:00 0.821 58.3 13:00 0.838 58.5 14:00 0.958 59.6 15:00 1.144 61.2 16:00 1.233 61.8 17:00 0.975 59.8 18:00 0.612 55.7 19:00 1.601 64.1 20:00 0.816 58.2 21:00 0.865 58.7 22:00 0.865 58.7 23:00 0.865 58.7