Nov. 2021 Tochigi-ken Utsunomiya-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.55 Longitude of receiver(Degree): 139.88 Distance from Hagane-yama LF station (km): 946 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.899 59.1 1:00 0.899 59.1 2:00 0.899 59.1 3:00 0.899 59.1 4:00 0.899 59.1 5:00 0.881 58.9 6:00 1.155 61.3 7:00 1.403 62.9 8:00 0.497 53.9 9:00 1.114 60.9 10:00 1.256 62.0 11:00 1.214 61.7 12:00 1.169 61.4 13:00 1.179 61.4 14:00 1.233 61.8 15:00 1.246 61.9 16:00 0.960 59.6 17:00 0.577 55.2 18:00 1.607 64.1 19:00 0.889 59.0 20:00 0.899 59.1 21:00 0.899 59.1 22:00 0.899 59.1 23:00 0.899 59.1