Jun 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 0.730 57.3 3:00 0.697 56.9 4:00 1.237 61.9 5:00 1.318 62.4 6:00 0.361 51.2 7:00 0.984 59.9 8:00 1.152 61.2 9:00 1.064 60.5 10:00 0.833 58.4 11:00 0.693 56.8 12:00 0.638 56.1 13:00 0.648 56.2 14:00 0.728 57.2 15:00 0.897 59.1 16:00 1.105 60.9 17:00 1.141 61.1 18:00 0.811 58.2 19:00 0.562 55.0 20:00 1.540 63.8 21:00 1.002 60.0 22:00 0.709 57.0 23:00 0.738 57.4