Oct. 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 1.393 62.9 5:00 1.382 62.8 6:00 1.045 60.4 7:00 0.917 59.2 8:00 1.109 60.9 9:00 0.874 58.8 10:00 0.615 55.8 11:00 0.428 52.6 12:00 0.339 50.6 13:00 0.356 51.0 14:00 0.483 53.7 15:00 0.692 56.8 16:00 0.961 59.7 17:00 1.126 61.0 18:00 0.789 57.9 19:00 1.260 62.0 20:00 1.387 62.8 21:00 1.393 62.9 22:00 1.393 62.9 23:00 1.393 62.9