Oct. 2015 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 0.934 59.4 6:00 1.585 64.0 7:00 0.976 59.8 8:00 0.896 59.0 9:00 1.315 62.4 10:00 1.307 62.3 11:00 1.194 61.5 12:00 1.119 61.0 13:00 1.139 61.1 14:00 1.228 61.8 15:00 1.334 62.5 16:00 1.252 62.0 17:00 0.645 56.2 18:00 1.353 62.6 19:00 1.261 62.0 20:00 0.950 59.5 21:00 0.969 59.7 22:00 0.969 59.7 23:00 0.969 59.7