Aug. 2015 Okinawa-ken Naha-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 26.20 Longitude of receiver(Degree): 127.68 Distance from Hagane-yama LF station (km): 843 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.460 63.3 1:00 1.460 63.3 2:00 1.460 63.3 3:00 1.460 63.3 4:00 1.395 62.9 5:00 0.689 56.8 6:00 1.718 64.7 7:00 0.370 51.4 8:00 0.932 59.4 9:00 1.223 61.7 10:00 1.148 61.2 11:00 1.021 60.2 12:00 0.960 59.6 13:00 0.973 59.8 14:00 1.061 60.5 15:00 1.194 61.5 16:00 1.171 61.4 17:00 0.704 56.9 18:00 0.828 58.4 19:00 1.788 65.0 20:00 0.855 58.6 21:00 1.423 63.1 22:00 1.460 63.3 23:00 1.460 63.3