Nov. 2013 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 Distance from Hagane-yama LF station (km): 936 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.969 59.7 1:00 0.969 59.7 2:00 0.969 59.7 3:00 0.969 59.7 4:00 0.969 59.7 5:00 0.956 59.6 6:00 1.139 61.1 7:00 1.619 64.2 8:00 0.566 55.1 9:00 1.148 61.2 10:00 1.351 62.6 11:00 1.333 62.5 12:00 1.289 62.2 13:00 1.299 62.3 14:00 1.346 62.6 15:00 1.327 62.5 16:00 0.974 59.8 17:00 0.768 57.7 18:00 1.720 64.7 19:00 0.920 59.3 20:00 0.969 59.7 21:00 0.969 59.7 22:00 0.969 59.7 23:00 0.969 59.7