Sep. 2015 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 1.965 65.9 1:00 1.965 65.9 2:00 1.965 65.9 3:00 1.965 65.9 4:00 1.929 65.7 5:00 1.453 63.2 6:00 1.532 63.7 7:00 1.341 62.5 8:00 0.320 50.1 9:00 0.961 59.7 10:00 1.203 61.6 11:00 1.181 61.4 12:00 1.152 61.2 13:00 1.159 61.3 14:00 1.195 61.5 15:00 1.153 61.2 16:00 0.792 58.0 17:00 0.375 51.5 18:00 1.757 64.9 19:00 0.693 56.8 20:00 1.840 65.3 21:00 1.962 65.9 22:00 1.965 65.9 23:00 1.965 65.9