Aug. 2015 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 1.064 60.5 1:00 1.064 60.5 2:00 1.064 60.5 3:00 1.051 60.4 4:00 0.973 59.8 5:00 1.214 61.7 6:00 1.392 62.9 7:00 0.430 52.7 8:00 1.087 60.7 9:00 1.247 61.9 10:00 1.129 61.1 11:00 0.987 59.9 12:00 0.920 59.3 13:00 0.933 59.4 14:00 1.030 60.3 15:00 1.188 61.5 16:00 1.231 61.8 17:00 0.929 59.4 18:00 0.466 53.4 19:00 1.653 64.4 20:00 0.779 57.8 21:00 1.010 60.1 22:00 1.064 60.5 23:00 1.064 60.5