Oct. 2013 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 38.23 Longitude of receiver(Degree): 140.37 Distance from Hagane-yama LF station (km): 1058 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.364 62.7 1:00 1.364 62.7 2:00 1.364 62.7 3:00 1.364 62.7 4:00 1.364 62.7 5:00 1.337 62.5 6:00 1.356 62.6 7:00 0.578 55.2 8:00 1.107 60.9 9:00 1.103 60.9 10:00 0.912 59.2 11:00 0.751 57.5 12:00 0.669 56.5 13:00 0.689 56.8 14:00 0.794 58.0 15:00 0.975 59.8 16:00 1.147 61.2 17:00 0.990 59.9 18:00 0.603 55.6 19:00 1.434 63.1 20:00 1.349 62.6 21:00 1.364 62.7 22:00 1.364 62.7 23:00 1.364 62.7