Apr. 2019 Kagoshima-ken Kagoshima-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 31.55 Longitude of receiver(Degree): 130.55 Distance from Hagane-yama LF station (km): 216 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 4.045 72.1 1:00 4.045 72.1 2:00 4.045 72.1 3:00 4.045 72.1 4:00 4.254 72.6 5:00 5.606 75.0 6:00 6.011 75.6 7:00 6.113 75.7 8:00 5.331 74.5 9:00 5.925 75.5 10:00 5.526 74.8 11:00 5.580 74.9 12:00 5.625 75.0 13:00 5.618 75.0 14:00 5.534 74.9 15:00 5.605 75.0 16:00 5.970 75.5 17:00 5.274 74.4 18:00 4.973 73.9 19:00 5.906 75.4 20:00 6.968 76.9 21:00 4.148 72.4 22:00 4.045 72.1 23:00 4.045 72.1