Sep. 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 1.139 61.1 1:00 1.139 61.1 2:00 1.139 61.1 3:00 1.139 61.1 4:00 1.119 61.0 5:00 0.849 58.6 6:00 1.870 65.4 7:00 0.771 57.7 8:00 0.927 59.3 9:00 1.317 62.4 10:00 1.322 62.4 11:00 1.179 61.4 12:00 1.106 60.9 13:00 1.121 61.0 14:00 1.222 61.7 15:00 1.338 62.5 16:00 1.244 61.9 17:00 0.660 56.4 18:00 1.302 62.3 19:00 1.459 63.3 20:00 1.079 60.7 21:00 1.137 61.1 22:00 1.139 61.1 23:00 1.139 61.1