Jun. 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 1.007 60.1 3:00 0.983 59.9 4:00 1.353 62.6 5:00 1.521 63.6 6:00 0.562 55.0 7:00 1.156 61.3 8:00 1.306 62.3 9:00 1.146 61.2 10:00 0.883 58.9 11:00 0.713 57.1 12:00 0.645 56.2 13:00 0.658 56.4 14:00 0.757 57.6 15:00 0.959 59.6 16:00 1.211 61.7 17:00 1.303 62.3 18:00 0.974 59.8 19:00 0.759 57.6 20:00 1.713 64.7 21:00 1.116 61.0 22:00 0.992 59.9 23:00 1.013 60.1