Feb 2012 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 0.969 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 0.945 59.5 6:00 1.363 62.7 7:00 1.211 61.7 8:00 0.693 56.8 9:00 1.264 62.0 10:00 1.343 62.6 11:00 1.267 62.1 12:00 1.209 61.6 13:00 1.221 61.7 14:00 1.296 62.3 15:00 1.345 62.6 16:00 1.143 61.2 17:00 0.569 55.1 18:00 1.689 64.6 19:00 1.048 60.4 20:00 0.960 59.6 21:00 0.969 59.7 22:00 0.969 59.7 23:00 0.969 59.7