Feb. 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 10.829 80.7 5:00 9.488 79.5 6:00 8.173 78.2 7:00 8.099 78.2 8:00 8.660 78.8 9:00 9.570 79.6 10:00 9.685 79.7 11:00 9.275 79.3 12:00 9.238 79.3 13:00 9.565 79.6 14:00 9.786 79.8 15:00 8.276 78.4 16:00 9.466 79.5 17:00 9.655 79.7 18:00 8.075 78.1 19:00 10.760 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