Aug. 2015 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 14.289 83.1 1:00 14.289 83.1 2:00 14.289 83.1 3:00 14.294 83.1 4:00 14.354 83.1 5:00 15.429 83.8 6:00 15.266 83.7 7:00 14.217 83.1 8:00 14.353 83.1 9:00 14.690 83.3 10:00 14.582 83.3 11:00 14.639 83.3 12:00 14.633 83.3 13:00 14.635 83.3 14:00 14.636 83.3 15:00 14.534 83.2 16:00 14.824 83.4 17:00 14.680 83.3 18:00 15.075 83.6 19:00 13.890 82.9 20:00 14.032 82.9 21:00 14.330 83.1 22:00 14.289 83.1 23:00 14.289 83.1