May. 2015 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 38.23 Longitude of receiver(Degree): 140.37 Distance from Hagane-yama LF station (km): 1058 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.364 62.7 1:00 1.364 62.7 2:00 1.364 62.7 3:00 1.344 62.6 4:00 1.417 63.0 5:00 1.025 60.2 6:00 0.719 57.1 7:00 1.138 61.1 8:00 1.030 60.3 9:00 0.787 57.9 10:00 0.524 54.4 11:00 0.371 51.4 12:00 0.313 49.9 13:00 0.323 50.2 14:00 0.408 52.2 15:00 0.597 55.5 16:00 0.864 58.7 17:00 1.093 60.8 18:00 1.079 60.7 19:00 0.564 55.0 20:00 1.303 62.3 21:00 1.359 62.7 22:00 1.352 62.6 23:00 1.364 62.7