Sep. 2021 Akita-ken Akita-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 39.72 Longitude of receiver(Degree): 140.10 Distance from Hagane-yama LF station (km): 1123 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.372 62.7 1:00 1.372 62.7 2:00 1.372 62.7 3:00 1.372 62.7 4:00 1.362 62.7 5:00 1.325 62.4 6:00 0.636 56.1 7:00 0.988 59.9 8:00 1.057 60.5 9:00 0.816 58.2 10:00 0.591 55.4 11:00 0.406 52.2 12:00 0.326 50.3 13:00 0.340 50.6 14:00 0.453 53.1 15:00 0.651 56.3 16:00 0.893 59.0 17:00 1.091 60.8 18:00 0.832 58.4 19:00 0.928 59.3 20:00 1.347 62.6 21:00 1.369 62.7 22:00 1.372 62.7 23:00 1.372 62.7