Oct. 2014 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 1.471 63.4 1:00 1.471 63.4 2:00 1.471 63.4 3:00 1.471 63.4 4:00 1.471 63.4 5:00 1.451 63.2 6:00 1.468 63.3 7:00 0.662 56.4 8:00 1.182 61.5 9:00 1.183 61.5 10:00 0.987 59.9 11:00 0.806 58.1 12:00 0.716 57.1 13:00 0.736 57.3 14:00 0.854 58.6 15:00 1.055 60.5 16:00 1.225 61.8 17:00 1.061 60.5 18:00 0.708 57.0 19:00 1.532 63.7 20:00 1.459 63.3 21:00 1.471 63.4 22:00 1.471 63.4 23:00 1.471 63.4