Apr. 2017 Nagano-ken Nagano-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.65 Longitude of receiver(Degree): 138.18 Distance from Hagane-yama LF station (km): 808 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 2.047 66.2 1:00 2.047 66.2 2:00 2.047 66.2 3:00 2.047 66.2 4:00 1.990 66.0 5:00 1.005 60.0 6:00 2.003 66.0 7:00 0.986 59.9 8:00 0.611 55.7 9:00 1.145 61.2 10:00 1.255 62.0 11:00 1.198 61.6 12:00 1.149 61.2 13:00 1.159 61.3 14:00 1.219 61.7 15:00 1.264 62.0 16:00 1.022 60.2 17:00 0.403 52.1 18:00 1.523 63.7 19:00 1.601 64.1 20:00 1.584 64.0 21:00 2.013 66.1 22:00 2.047 66.2 23:00 2.047 66.2