Dec. 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 10.913 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 10.669 80.6 6:00 8.904 79.0 7:00 10.553 80.5 8:00 10.125 80.1 9:00 8.252 78.3 10:00 9.490 79.5 11:00 9.912 79.9 12:00 9.917 79.9 13:00 9.684 79.7 14:00 8.326 78.4 15:00 10.341 80.3 16:00 9.658 79.7 17:00 10.514 80.4 18:00 10.602 80.5 19:00 10.910 80.8 20:00 10.913 80.8 21:00 10.913 80.8 22:00 10.913 80.8 23:00 10.913 80.8