Apr. 2023 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 10.716 80.6 4:00 8.107 78.2 5:00 9.035 79.1 6:00 9.199 79.3 7:00 8.330 78.4 8:00 9.780 79.8 9:00 9.110 79.2 10:00 9.101 79.2 11:00 9.169 79.2 12:00 9.175 79.3 13:00 9.121 79.2 14:00 9.063 79.1 15:00 9.661 79.7 16:00 8.668 78.8 17:00 10.258 80.2 18:00 10.529 80.4 19:00 8.275 78.4 20:00 10.660 80.6 21:00 10.907 80.8 22:00 10.913 80.8 23:00 10.913 80.8