Aug. 2023 Okinawa-ken Ishigaki-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 24.33 Longitude of receiver(Degree): 124.15 Distance from Hagane-yama LF station (km): 1172 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.393 62.9 1:00 1.393 62.9 2:00 1.393 62.9 3:00 1.393 62.9 4:00 1.382 62.8 5:00 1.157 61.3 6:00 0.815 58.2 7:00 1.122 61.0 8:00 0.915 59.2 9:00 0.609 55.7 10:00 0.341 50.6 11:00 0.174 44.8 12:00 0.107 40.6 13:00 0.119 41.5 14:00 0.217 46.7 15:00 0.417 52.4 16:00 0.705 57.0 17:00 1.007 60.1 18:00 1.096 60.8 19:00 0.705 57.0 20:00 1.307 62.3 21:00 1.387 62.8 22:00 1.393 62.9 23:00 1.393 62.9