Mar. 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 1.017 60.1 4:00 1.014 60.1 5:00 0.984 59.9 6:00 1.714 64.7 7:00 0.604 55.6 8:00 1.132 61.1 9:00 1.324 62.4 10:00 1.206 61.6 11:00 1.037 60.3 12:00 0.939 59.5 13:00 0.958 59.6 14:00 1.096 60.8 15:00 1.258 62.0 16:00 1.314 62.4 17:00 0.921 59.3 18:00 0.962 59.7 19:00 1.567 63.9 20:00 0.986 59.9 21:00 1.017 60.1 22:00 1.017 60.1 23:00 1.017 60.1