Mar. 2004 Niigata-ken Niigata-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 37.90 Longitude of receiver(Degree): 139.02 Distance from Hagane-yama LF station (km): 936 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.852 58.6 1:00 0.852 58.6 2:00 0.852 58.6 3:00 0.852 58.6 4:00 0.847 58.6 5:00 0.857 58.7 6:00 1.622 64.2 7:00 0.524 54.4 8:00 1.017 60.1 9:00 1.241 61.9 10:00 1.162 61.3 11:00 1.022 60.2 12:00 0.931 59.4 13:00 0.949 59.5 14:00 1.076 60.6 15:00 1.200 61.6 16:00 1.223 61.7 17:00 0.801 58.1 18:00 0.907 59.1 19:00 1.465 63.3 20:00 0.805 58.1 21:00 0.852 58.6 22:00 0.852 58.6 23:00 0.852 58.6