May 2010 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 0.773 57.8 1:00 0.773 57.8 2:00 0.773 57.8 3:00 0.773 57.8 4:00 0.654 56.3 5:00 0.665 56.5 6:00 0.770 57.7 7:00 0.603 55.6 8:00 0.410 52.3 9:00 0.291 49.3 10:00 0.193 45.7 11:00 0.146 43.3 12:00 0.134 42.5 13:00 0.135 42.6 14:00 0.154 43.7 15:00 0.214 46.6 16:00 0.314 50.0 17:00 0.454 53.1 18:00 0.657 56.4 19:00 0.776 57.8 20:00 0.610 55.7 21:00 0.695 56.8 22:00 0.773 57.8 23:00 0.773 57.8