Jul. 2022 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 1.426 63.1 4:00 1.097 60.8 5:00 1.343 62.6 6:00 1.381 62.8 7:00 0.383 51.7 8:00 1.044 60.4 9:00 1.236 61.8 10:00 1.110 60.9 11:00 0.982 59.8 12:00 0.927 59.3 13:00 0.938 59.4 14:00 1.018 60.2 15:00 1.156 61.3 16:00 1.207 61.6 17:00 0.873 58.8 18:00 0.429 52.7 19:00 1.729 64.8 20:00 0.743 57.4 21:00 1.383 62.8 22:00 1.447 63.2 23:00 1.460 63.3