Mar. 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 1.460 63.3 5:00 1.321 62.4 6:00 1.329 62.5 7:00 1.224 61.8 8:00 0.522 54.4 9:00 1.117 61.0 10:00 1.255 62.0 11:00 1.167 61.3 12:00 1.111 60.9 13:00 1.123 61.0 14:00 1.200 61.6 15:00 1.236 61.8 16:00 0.979 59.8 17:00 0.335 50.5 18:00 1.676 64.5 19:00 0.687 56.7 20:00 1.406 63.0 21:00 1.460 63.3 22:00 1.460 63.3 23:00 1.460 63.3