Oct. 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 1.094 60.8 6:00 1.171 61.4 7:00 1.528 63.7 8:00 0.540 54.7 9:00 1.175 61.4 10:00 1.358 62.7 11:00 1.339 62.5 12:00 1.289 62.2 13:00 1.304 62.3 14:00 1.352 62.6 15:00 1.336 62.5 16:00 1.015 60.1 17:00 0.586 55.4 18:00 1.819 65.2 19:00 0.824 58.3 20:00 1.114 60.9 21:00 1.139 61.1 22:00 1.139 61.1 23:00 1.139 61.1