Jul. 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 1.010 60.1 3:00 0.986 59.9 4:00 1.295 62.2 5:00 1.589 64.0 6:00 0.565 55.0 7:00 1.137 61.1 8:00 1.308 62.3 9:00 1.155 61.2 10:00 0.892 59.0 11:00 0.719 57.1 12:00 0.650 56.3 13:00 0.663 56.4 14:00 0.764 57.7 15:00 0.968 59.7 16:00 1.218 61.7 17:00 1.301 62.3 18:00 0.945 59.5 19:00 0.816 58.2 20:00 1.707 64.6 21:00 1.066 60.6 22:00 0.995 60.0 23:00 1.016 60.1