Dec. 2014 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 1.139 61.1 5:00 1.133 61.1 6:00 0.968 59.7 7:00 1.677 64.5 8:00 1.216 61.7 9:00 0.619 55.8 10:00 1.157 61.3 11:00 1.345 62.6 12:00 1.388 62.8 13:00 1.382 62.8 14:00 1.307 62.3 15:00 1.020 60.2 16:00 0.514 54.2 17:00 1.609 64.1 18:00 1.153 61.2 19:00 1.093 60.8 20:00 1.139 61.1 21:00 1.139 61.1 22:00 1.139 61.1 23:00 1.139 61.1