Dec. 2017 Chiba-ken Chiba-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 35.60 Longitude of receiver(Degree): 140.12 Distance from Hagane-yama LF station (km): 939 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.759 57.6 1:00 0.759 57.6 2:00 0.759 57.6 3:00 0.759 57.6 4:00 0.759 57.6 5:00 0.753 57.5 6:00 0.915 59.2 7:00 1.529 63.7 8:00 0.442 52.9 9:00 0.889 59.0 10:00 1.164 61.3 11:00 1.186 61.5 12:00 1.169 61.4 13:00 1.174 61.4 14:00 1.189 61.5 15:00 1.116 61.0 16:00 0.675 56.6 17:00 0.779 57.8 18:00 1.465 63.3 19:00 0.713 57.1 20:00 0.759 57.6 21:00 0.759 57.6 22:00 0.759 57.6 23:00 0.759 57.6