Jul. 2018 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 1.296 62.3 1:00 1.296 62.3 2:00 1.290 62.2 3:00 1.276 62.1 4:00 1.195 61.5 5:00 0.548 54.8 6:00 0.891 59.0 7:00 0.993 59.9 8:00 0.794 58.0 9:00 0.564 55.0 10:00 0.328 50.3 11:00 0.205 46.2 12:00 0.161 44.1 13:00 0.168 44.5 14:00 0.232 47.3 15:00 0.387 51.8 16:00 0.630 56.0 17:00 0.864 58.7 18:00 1.015 60.1 19:00 0.746 57.5 20:00 0.771 57.7 21:00 1.258 62.0 22:00 1.281 62.1 23:00 1.293 62.2