Jul 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 0.758 57.6 4:00 0.619 55.8 5:00 0.725 57.2 6:00 0.757 57.6 7:00 0.573 55.2 8:00 0.389 51.8 9:00 0.281 49.0 10:00 0.181 45.1 11:00 0.140 42.9 12:00 0.130 42.2 13:00 0.131 42.3 14:00 0.146 43.3 15:00 0.200 46.0 16:00 0.302 49.6 17:00 0.431 52.7 18:00 0.627 55.9 19:00 0.774 57.8 20:00 0.650 56.3 21:00 0.654 56.3 22:00 0.773 57.8 23:00 0.773 57.8