Nov. 2022 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 0.852 58.6 1:00 0.852 58.6 2:00 0.852 58.6 3:00 0.852 58.6 4:00 0.852 58.6 5:00 0.833 58.4 6:00 1.078 60.7 7:00 1.490 63.5 8:00 0.463 53.3 9:00 1.071 60.6 10:00 1.260 62.0 11:00 1.239 61.9 12:00 1.203 61.6 13:00 1.211 61.7 14:00 1.253 62.0 15:00 1.240 61.9 16:00 0.902 59.1 17:00 0.647 56.2 18:00 1.616 64.2 19:00 0.829 58.4 20:00 0.852 58.6 21:00 0.852 58.6 22:00 0.852 58.6 23:00 0.852 58.6