Dec. 2014 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 0.983 59.8 1:00 0.983 59.8 2:00 0.983 59.8 3:00 0.983 59.8 4:00 0.983 59.8 5:00 0.978 59.8 6:00 1.010 60.1 7:00 1.730 64.8 8:00 0.658 56.4 9:00 1.028 60.2 10:00 1.335 62.5 11:00 1.357 62.6 12:00 1.335 62.5 13:00 1.341 62.5 14:00 1.361 62.7 15:00 1.281 62.1 16:00 0.806 58.1 17:00 1.004 60.0 18:00 1.601 64.1 19:00 0.948 59.5 20:00 0.983 59.8 21:00 0.983 59.8 22:00 0.983 59.8 23:00 0.983 59.8