Mar. 2004 Hokkaido Sapporo-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 43.05 Longitude of receiver(Degree): 141.35 Distance from Ohtakadoya-yama LF station (km): 632 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 2.008 66.1 1:00 2.008 66.1 2:00 2.008 66.1 3:00 2.008 66.1 4:00 1.974 65.9 5:00 0.499 54.0 6:00 2.063 66.3 7:00 1.841 65.3 8:00 0.907 59.2 9:00 0.211 46.5 10:00 0.228 47.1 11:00 0.415 52.4 12:00 0.433 52.7 13:00 0.283 49.0 14:00 0.113 41.1 15:00 0.721 57.2 16:00 1.636 64.3 17:00 2.173 66.7 18:00 0.470 53.4 19:00 1.822 65.2 20:00 2.002 66.0 21:00 2.008 66.1 22:00 2.008 66.1 23:00 2.008 66.1