May. 2023 Niigata-ken Niigata-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 37.90 Longitude of receiver(Degree): 139.02 Distance from Hagane-yama LF station (km): 936 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 0.969 59.7 1:00 0.969 59.7 2:00 0.969 59.7 3:00 0.944 59.5 4:00 1.091 60.8 5:00 1.726 64.7 6:00 0.660 56.4 7:00 1.043 60.4 8:00 1.316 62.4 9:00 1.205 61.6 10:00 0.957 59.6 11:00 0.780 57.8 12:00 0.706 57.0 13:00 0.720 57.1 14:00 0.826 58.3 15:00 1.033 60.3 16:00 1.259 62.0 17:00 1.287 62.2 18:00 0.818 58.3 19:00 1.035 60.3 20:00 1.636 64.3 21:00 0.916 59.2 22:00 0.954 59.6 23:00 0.969 59.7