Aug. 2015 Hokkaido Wakkanai-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 45.40 Longitude of receiver(Degree): 141.67 Distance from Hagane-yama LF station (km): 1647 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.641 56.1 1:00 0.641 56.1 2:00 0.641 56.1 3:00 0.641 56.1 4:00 0.620 55.8 5:00 0.601 55.6 6:00 0.650 56.3 7:00 0.516 54.3 8:00 0.375 51.5 9:00 0.294 49.4 10:00 0.242 47.7 11:00 0.202 46.1 12:00 0.183 45.2 13:00 0.185 45.3 14:00 0.209 46.4 15:00 0.257 48.2 16:00 0.307 49.7 17:00 0.402 52.1 18:00 0.553 54.9 19:00 0.660 56.4 20:00 0.589 55.4 21:00 0.637 56.1 22:00 0.641 56.1 23:00 0.641 56.1