Apr. 2017 Yamaguchi-ken Yamaguchi-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 34.18 Longitude of receiver(Degree): 131.47 Distance from Hagane-yama LF station (km): 143 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 8.520 78.6 1:00 8.520 78.6 2:00 8.520 78.6 3:00 8.520 78.6 4:00 8.633 78.7 5:00 11.001 80.8 6:00 10.806 80.7 7:00 9.128 79.2 8:00 9.549 79.6 9:00 9.626 79.7 10:00 9.490 79.5 11:00 9.413 79.5 12:00 9.433 79.5 13:00 9.429 79.5 14:00 9.410 79.5 15:00 9.632 79.7 16:00 9.170 79.2 17:00 10.299 80.3 18:00 10.206 80.2 19:00 9.646 79.7 20:00 8.149 78.2 21:00 8.580 78.7 22:00 8.520 78.6 23:00 8.520 78.6