Apr. 2016 Gunma-ken Maebashi-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.38 Longitude of receiver(Degree): 139.07 Distance from Hagane-yama LF station (km): 871 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.024 60.2 1:00 1.024 60.2 2:00 1.024 60.2 3:00 1.024 60.2 4:00 0.971 59.7 5:00 0.876 58.9 6:00 1.465 63.3 7:00 0.273 48.7 8:00 0.955 59.6 9:00 1.182 61.5 10:00 1.120 61.0 11:00 0.988 59.9 12:00 0.918 59.3 13:00 0.932 59.4 14:00 1.026 60.2 15:00 1.176 61.4 16:00 1.147 61.2 17:00 0.765 57.7 18:00 0.576 55.2 19:00 1.667 64.4 20:00 0.614 55.8 21:00 0.992 59.9 22:00 1.024 60.2 23:00 1.024 60.2