Jan 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 0.746 57.5 5:00 0.737 57.3 6:00 0.937 59.4 7:00 1.518 63.6 8:00 0.414 52.3 9:00 0.908 59.2 10:00 1.167 61.3 11:00 1.186 61.5 12:00 1.167 61.3 13:00 1.172 61.4 14:00 1.189 61.5 15:00 1.126 61.0 16:00 0.712 57.1 17:00 0.729 57.3 18:00 1.497 63.5 19:00 0.722 57.2 20:00 0.746 57.5 21:00 0.746 57.5 22:00 0.746 57.5 23:00 0.746 57.5