Mar. 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 10.913 80.8 4:00 10.652 80.5 5:00 9.416 79.5 6:00 10.192 80.2 7:00 10.123 80.1 8:00 9.071 79.2 9:00 9.632 79.7 10:00 9.057 79.1 11:00 9.028 79.1 12:00 9.034 79.1 13:00 9.023 79.1 14:00 9.461 79.5 15:00 9.517 79.6 16:00 9.233 79.3 17:00 8.494 78.6 18:00 10.505 80.4 19:00 10.557 80.5 20:00 10.884 80.7 21:00 10.913 80.8 22:00 10.913 80.8 23:00 10.913 80.8