Oct. 2013 Okinawa-ken Ishigaki-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 24.33 Longitude of receiver(Degree): 124.15 Distance from Ohtakadoya-yama LF station (km): 2145 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.121 41.7 1:00 0.121 41.7 2:00 0.121 41.7 3:00 0.121 41.7 4:00 0.121 41.7 5:00 0.130 42.3 6:00 0.124 41.8 7:00 0.094 39.5 8:00 0.113 41.0 9:00 0.086 38.7 10:00 0.060 35.5 11:00 0.042 32.6 12:00 0.040 32.0 13:00 0.052 34.3 14:00 0.075 37.5 15:00 0.104 40.3 16:00 0.111 40.9 17:00 0.085 38.6 18:00 0.160 44.1 19:00 0.121 41.7 20:00 0.121 41.7 21:00 0.121 41.7 22:00 0.121 41.7 23:00 0.121 41.7