May. 2023 Oita-ken Oita-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 33.23 Longitude of receiver(Degree): 131.62 Distance from Hagane-yama LF station (km): 137 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 11.235 81.0 1:00 11.235 81.0 2:00 11.235 81.0 3:00 11.095 80.9 4:00 11.624 81.3 5:00 9.371 79.4 6:00 11.159 81.0 7:00 9.901 79.9 8:00 10.442 80.4 9:00 9.721 79.8 10:00 9.998 80.0 11:00 9.944 80.0 12:00 9.933 79.9 13:00 9.935 79.9 14:00 9.958 80.0 15:00 9.989 80.0 16:00 9.643 79.7 17:00 10.206 80.2 18:00 10.728 80.6 19:00 8.600 78.7 20:00 9.780 79.8 21:00 10.940 80.8 22:00 11.176 81.0 23:00 11.235 81.0