Jul 2011 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 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 0.816 58.2 4:00 0.678 56.6 5:00 0.766 57.7 6:00 0.808 58.2 7:00 0.623 55.9 8:00 0.426 52.6 9:00 0.311 49.9 10:00 0.210 46.5 11:00 0.162 44.2 12:00 0.148 43.4 13:00 0.149 43.5 14:00 0.171 44.6 15:00 0.230 47.2 16:00 0.333 50.4 17:00 0.470 53.4 18:00 0.678 56.6 19:00 0.824 58.3 20:00 0.692 56.8 21:00 0.717 57.1 22:00 0.819 58.3 23:00 0.819 58.3