Apr. 2017 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 1.528 63.7 1:00 1.528 63.7 2:00 1.528 63.7 3:00 1.528 63.7 4:00 1.494 63.5 5:00 0.845 58.5 6:00 1.927 65.7 7:00 0.645 56.2 8:00 0.928 59.4 9:00 1.290 62.2 10:00 1.242 61.9 11:00 1.110 60.9 12:00 1.040 60.3 13:00 1.055 60.5 14:00 1.154 61.2 15:00 1.290 62.2 16:00 1.227 61.8 17:00 0.671 56.5 18:00 1.201 61.6 19:00 1.656 64.4 20:00 1.283 62.2 21:00 1.515 63.6 22:00 1.528 63.7 23:00 1.528 63.7