Nov. 2023 Gunma-ken Maebashi-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.38 Longitude of receiver(Degree): 139.07 Distance from Hagane-yama LF station (km): 871 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.139 61.1 1:00 1.139 61.1 2:00 1.139 61.1 3:00 1.139 61.1 4:00 1.139 61.1 5:00 1.121 61.0 6:00 0.830 58.4 7:00 1.880 65.5 8:00 0.806 58.1 9:00 0.849 58.6 10:00 1.275 62.1 11:00 1.383 62.8 12:00 1.386 62.8 13:00 1.387 62.8 14:00 1.365 62.7 15:00 1.184 61.5 16:00 0.614 55.8 17:00 1.297 62.3 18:00 1.534 63.7 19:00 1.077 60.6 20:00 1.139 61.1 21:00 1.139 61.1 22:00 1.139 61.1 23:00 1.139 61.1