Oct 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 0.701 56.9 6:00 1.453 63.2 7:00 0.750 57.5 8:00 0.765 57.7 9:00 1.149 61.2 10:00 1.151 61.2 11:00 1.073 60.6 12:00 1.013 60.1 13:00 1.031 60.3 14:00 1.098 60.8 15:00 1.168 61.3 16:00 1.090 60.7 17:00 0.501 54.0 18:00 1.121 61.0 19:00 1.175 61.4 20:00 0.721 57.2 21:00 0.746 57.5 22:00 0.746 57.5 23:00 0.746 57.5