Jan. 2015 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 38.23 Longitude of receiver(Degree): 140.37 Distance from Ohtakadoya-yama LF station (km): 105 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 10.913 80.8 1:00 10.913 80.8 2:00 10.913 80.8 3:00 10.913 80.8 4:00 10.913 80.8 5:00 10.639 80.5 6:00 9.846 79.9 7:00 10.220 80.2 8:00 10.376 80.3 9:00 8.312 78.4 10:00 9.742 79.8 11:00 9.882 79.9 12:00 9.864 79.9 13:00 9.850 79.9 14:00 8.638 78.7 15:00 9.966 80.0 16:00 8.749 78.8 17:00 10.367 80.3 18:00 10.346 80.3 19:00 10.881 80.7 20:00 10.913 80.8 21:00 10.913 80.8 22:00 10.913 80.8 23:00 10.913 80.8