Mar 2010 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 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.746 57.5 1:00 0.746 57.5 2:00 0.746 57.5 3:00 0.746 57.5 4:00 0.742 57.4 5:00 0.823 58.3 6:00 1.543 63.8 7:00 0.425 52.6 8:00 0.947 59.5 9:00 1.165 61.3 10:00 1.107 60.9 11:00 0.980 59.8 12:00 0.893 59.0 13:00 0.910 59.2 14:00 1.032 60.3 15:00 1.137 61.1 16:00 1.144 61.2 17:00 0.741 57.4 18:00 0.805 58.1 19:00 1.419 63.0 20:00 0.703 56.9 21:00 0.746 57.5 22:00 0.746 57.5 23:00 0.746 57.5