Jun. 2023 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 8.542 78.6 3:00 8.636 78.7 4:00 9.906 79.9 5:00 9.139 79.2 6:00 9.503 79.6 7:00 9.938 79.9 8:00 8.963 79.0 9:00 9.685 79.7 10:00 9.418 79.5 11:00 9.441 79.5 12:00 9.452 79.5 13:00 9.450 79.5 14:00 9.431 79.5 15:00 9.452 79.5 16:00 9.683 79.7 17:00 9.196 79.3 18:00 8.448 78.5 19:00 9.472 79.5 20:00 8.394 78.5 21:00 7.771 77.8 22:00 8.599 78.7 23:00 8.520 78.6