Dec. 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 1.390 62.9 6:00 1.326 62.5 7:00 0.711 57.0 8:00 1.076 60.6 9:00 1.077 60.6 10:00 0.874 58.8 11:00 0.709 57.0 12:00 0.626 55.9 13:00 0.642 56.1 14:00 0.756 57.6 15:00 0.940 59.5 16:00 1.120 61.0 17:00 0.954 59.6 18:00 0.926 59.3 19:00 1.376 62.8 20:00 1.393 62.9 21:00 1.393 62.9 22:00 1.393 62.9 23:00 1.393 62.9