Jun. 2023 Ibaraki-ken Mito-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.33 Longitude of receiver(Degree): 140.45 Distance from Hagane-yama LF station (km): 987 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.246 61.9 1:00 1.246 61.9 2:00 1.238 61.9 3:00 1.219 61.7 4:00 1.510 63.6 5:00 1.255 62.0 6:00 0.671 56.5 7:00 1.225 61.8 8:00 1.237 61.8 9:00 1.014 60.1 10:00 0.738 57.4 11:00 0.569 55.1 12:00 0.504 54.0 13:00 0.516 54.3 14:00 0.612 55.7 15:00 0.816 58.2 16:00 1.094 60.8 17:00 1.271 62.1 18:00 1.104 60.9 19:00 0.613 55.8 20:00 1.585 64.0 21:00 1.341 62.5 22:00 1.226 61.8 23:00 1.243 61.9