May. 2023 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 1.017 60.1 1:00 1.017 60.1 2:00 1.017 60.1 3:00 0.995 60.0 4:00 1.129 61.1 5:00 1.702 64.6 6:00 0.634 56.0 7:00 1.073 60.6 8:00 1.310 62.3 9:00 1.177 61.4 10:00 0.919 59.3 11:00 0.741 57.4 12:00 0.668 56.5 13:00 0.682 56.7 14:00 0.789 57.9 15:00 0.999 60.0 16:00 1.238 61.9 17:00 1.291 62.2 18:00 0.851 58.6 19:00 0.993 59.9 20:00 1.632 64.3 21:00 0.969 59.7 22:00 1.005 60.0 23:00 1.017 60.1