Aug. 2015 Hokkaido Sapporo-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 43.05 Longitude of receiver(Degree): 141.35 Distance from Hagane-yama LF station (km): 1440 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.819 58.3 1:00 0.819 58.3 2:00 0.819 58.3 3:00 0.819 58.3 4:00 0.785 57.9 5:00 0.651 56.3 6:00 0.823 58.3 7:00 0.706 57.0 8:00 0.490 53.8 9:00 0.344 50.7 10:00 0.248 47.9 11:00 0.190 45.6 12:00 0.167 44.5 13:00 0.170 44.6 14:00 0.201 46.1 15:00 0.274 48.8 16:00 0.373 51.4 17:00 0.543 54.7 18:00 0.760 57.6 19:00 0.810 58.2 20:00 0.658 56.4 21:00 0.817 58.2 22:00 0.819 58.3 23:00 0.819 58.3