Oct. 2015 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 0.949 59.5 6:00 1.604 64.1 7:00 0.922 59.3 8:00 0.939 59.5 9:00 1.322 62.4 10:00 1.289 62.2 11:00 1.167 61.3 12:00 1.081 60.7 13:00 1.102 60.8 14:00 1.206 61.6 15:00 1.325 62.4 16:00 1.265 62.0 17:00 0.672 56.5 18:00 1.316 62.4 19:00 1.272 62.1 20:00 0.965 59.7 21:00 0.983 59.8 22:00 0.983 59.8 23:00 0.983 59.8