Oct. 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 10.749 80.6 5:00 7.984 78.0 6:00 10.230 80.2 7:00 9.827 79.8 8:00 8.324 78.4 9:00 9.840 79.9 10:00 9.319 79.4 11:00 9.035 79.1 12:00 9.018 79.1 13:00 9.216 79.3 14:00 9.809 79.8 15:00 8.729 78.8 16:00 10.330 80.3 17:00 10.498 80.4 18:00 8.641 78.7 19:00 10.682 80.6 20:00 10.913 80.8 21:00 10.913 80.8 22:00 10.913 80.8 23:00 10.913 80.8