Feb. 2023 Kagoshima-ken Kagoshima-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 31.55 Longitude of receiver(Degree): 130.55 Distance from Ohtakadoya-yama LF station (km): 1142 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.806 58.1 1:00 0.806 58.1 2:00 0.806 58.1 3:00 0.806 58.1 4:00 0.806 58.1 5:00 0.735 57.3 6:00 0.687 56.7 7:00 1.010 60.1 8:00 0.998 60.0 9:00 0.873 58.8 10:00 0.757 57.6 11:00 0.688 56.8 12:00 0.680 56.7 13:00 0.733 57.3 14:00 0.841 58.5 15:00 0.969 59.7 16:00 1.032 60.3 17:00 0.852 58.6 18:00 0.652 56.3 19:00 0.806 58.1 20:00 0.806 58.1 21:00 0.806 58.1 22:00 0.806 58.1 23:00 0.806 58.1