Dec. 2013 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 1.013 60.1 6:00 1.041 60.3 7:00 1.715 64.7 8:00 0.653 56.3 9:00 1.034 60.3 10:00 1.333 62.5 11:00 1.350 62.6 12:00 1.326 62.4 13:00 1.332 62.5 14:00 1.355 62.6 15:00 1.282 62.2 16:00 0.821 58.3 17:00 0.972 59.8 18:00 1.609 64.1 19:00 0.984 59.9 20:00 1.017 60.1 21:00 1.017 60.1 22:00 1.017 60.1 23:00 1.017 60.1