Dec. 2014 Okinawa-ken Naha-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 26.20 Longitude of receiver(Degree): 127.68 Distance from Ohtakadoya-yama LF station (km): 1752 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.496 53.9 1:00 0.496 53.9 2:00 0.496 53.9 3:00 0.496 53.9 4:00 0.496 53.9 5:00 0.496 53.9 6:00 0.539 54.6 7:00 0.550 54.8 8:00 0.474 53.5 9:00 0.399 52.0 10:00 0.345 50.8 11:00 0.317 50.0 12:00 0.312 49.9 13:00 0.334 50.5 14:00 0.378 51.6 15:00 0.448 53.0 16:00 0.530 54.5 17:00 0.556 54.9 18:00 0.504 54.0 19:00 0.496 53.9 20:00 0.496 53.9 21:00 0.496 53.9 22:00 0.496 53.9 23:00 0.496 53.9