Nov. 2021 Iwate-ken Morioka-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 39.70 Longitude of receiver(Degree): 141.15 Distance from Hagane-yama LF station (km): 1197 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.253 62.0 1:00 1.253 62.0 2:00 1.253 62.0 3:00 1.253 62.0 4:00 1.253 62.0 5:00 1.248 61.9 6:00 1.148 61.2 7:00 0.626 55.9 8:00 0.993 59.9 9:00 0.979 59.8 10:00 0.786 57.9 11:00 0.632 56.0 12:00 0.562 55.0 13:00 0.574 55.2 14:00 0.670 56.5 15:00 0.846 58.5 16:00 1.020 60.2 17:00 0.901 59.1 18:00 0.749 57.5 19:00 1.223 61.8 20:00 1.253 62.0 21:00 1.253 62.0 22:00 1.253 62.0 23:00 1.253 62.0