Feb. 2020 Kumamoto-ken Kumamoto-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 32.78 Longitude of receiver(Degree): 130.73 Distance from Hagane-yama LF station (km): 93 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 13.890 82.9 1:00 13.890 82.9 2:00 13.890 82.9 3:00 13.890 82.9 4:00 13.890 82.9 5:00 14.002 82.9 6:00 14.065 83.0 7:00 14.927 83.5 8:00 14.436 83.2 9:00 14.486 83.2 10:00 14.787 83.4 11:00 14.570 83.3 12:00 14.502 83.2 13:00 14.508 83.2 14:00 14.656 83.3 15:00 14.669 83.3 16:00 14.843 83.4 17:00 14.835 83.4 18:00 15.212 83.6 19:00 15.397 83.7 20:00 13.925 82.9 21:00 13.890 82.9 22:00 13.890 82.9 23:00 13.890 82.9