Dec. 2023 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 1.341 62.5 1:00 1.341 62.5 2:00 1.341 62.5 3:00 1.341 62.5 4:00 1.341 62.5 5:00 1.340 62.5 6:00 1.312 62.4 7:00 0.823 58.3 8:00 0.973 59.8 9:00 1.106 60.9 10:00 0.962 59.7 11:00 0.810 58.2 12:00 0.737 57.3 13:00 0.750 57.5 14:00 0.849 58.6 15:00 1.011 60.1 16:00 1.115 60.9 17:00 0.876 58.9 18:00 1.026 60.2 19:00 1.331 62.5 20:00 1.341 62.5 21:00 1.341 62.5 22:00 1.341 62.5 23:00 1.341 62.5