Feb. 2014 Tochigi-ken Utsunomiya-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.55 Longitude of receiver(Degree): 139.88 Distance from Hagane-yama LF station (km): 946 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.017 60.1 1:00 1.017 60.1 2:00 1.017 60.1 3:00 1.017 60.1 4:00 1.017 60.1 5:00 0.994 60.0 6:00 1.425 63.1 7:00 1.125 61.0 8:00 0.760 57.6 9:00 1.286 62.2 10:00 1.326 62.5 11:00 1.231 61.8 12:00 1.167 61.3 13:00 1.181 61.4 14:00 1.265 62.0 15:00 1.338 62.5 16:00 1.181 61.4 17:00 0.572 55.1 18:00 1.636 64.3 19:00 1.111 60.9 20:00 1.009 60.1 21:00 1.017 60.1 22:00 1.017 60.1 23:00 1.017 60.1