Oct. 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 11.235 81.0 4:00 11.235 81.0 5:00 10.983 80.8 6:00 10.886 80.7 7:00 10.413 80.4 8:00 10.579 80.5 9:00 10.570 80.5 10:00 9.566 79.6 11:00 9.931 79.9 12:00 10.041 80.0 13:00 10.030 80.0 14:00 9.794 79.8 15:00 9.777 79.8 16:00 9.789 79.8 17:00 9.847 79.9 18:00 9.275 79.3 19:00 9.617 79.7 20:00 11.102 80.9 21:00 11.235 81.0 22:00 11.235 81.0 23:00 11.235 81.0