Mar. 2022 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 38.23 Longitude of receiver(Degree): 140.37 Distance from Hagane-yama LF station (km): 1058 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.364 62.7 1:00 1.364 62.7 2:00 1.364 62.7 3:00 1.364 62.7 4:00 1.361 62.7 5:00 1.365 62.7 6:00 1.126 61.0 7:00 0.734 57.3 8:00 1.149 61.2 9:00 1.032 60.3 10:00 0.817 58.2 11:00 0.639 56.1 12:00 0.543 54.7 13:00 0.560 55.0 14:00 0.696 56.8 15:00 0.883 58.9 16:00 1.094 60.8 17:00 1.100 60.8 18:00 0.567 55.1 19:00 1.372 62.7 20:00 1.338 62.5 21:00 1.364 62.7 22:00 1.364 62.7 23:00 1.364 62.7