Dec 2011 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 0.965 59.7 6:00 0.969 59.7 7:00 1.738 64.8 8:00 0.729 57.3 9:00 0.966 59.7 10:00 1.319 62.4 11:00 1.364 62.7 12:00 1.351 62.6 13:00 1.355 62.6 14:00 1.363 62.7 15:00 1.253 62.0 16:00 0.749 57.5 17:00 1.066 60.6 18:00 1.570 63.9 19:00 0.934 59.4 20:00 0.969 59.7 21:00 0.969 59.7 22:00 0.969 59.7 23:00 0.969 59.7