Oct 2010 Niigata-ken Niigata-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-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 3.907 71.8 1:00 3.907 71.8 2:00 3.907 71.8 3:00 3.907 71.8 4:00 4.044 72.1 5:00 6.969 76.9 6:00 6.451 76.2 7:00 6.251 75.9 8:00 5.051 74.1 9:00 5.736 75.2 10:00 6.048 75.6 11:00 5.970 75.5 12:00 5.956 75.5 13:00 6.038 75.6 14:00 5.882 75.4 15:00 5.046 74.1 16:00 6.365 76.1 17:00 5.626 75.0 18:00 6.505 76.3 19:00 4.101 72.3 20:00 3.907 71.8 21:00 3.907 71.8 22:00 3.907 71.8 23:00 3.907 71.8