Jul. 2014 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 10.911 80.8 1:00 10.833 80.7 2:00 10.683 80.6 3:00 8.778 78.9 4:00 9.285 79.4 5:00 8.497 78.6 6:00 9.532 79.6 7:00 9.378 79.4 8:00 9.391 79.5 9:00 9.086 79.2 10:00 9.183 79.3 11:00 9.212 79.3 12:00 9.213 79.3 13:00 9.194 79.3 14:00 9.108 79.2 15:00 9.231 79.3 16:00 9.684 79.7 17:00 8.672 78.8 18:00 8.136 78.2 19:00 8.026 78.1 20:00 7.923 78.0 21:00 10.642 80.5 22:00 10.805 80.7 23:00 10.901 80.7