Jul. 2022 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 1.131 61.1 1:00 1.131 61.1 2:00 1.124 61.0 3:00 1.097 60.8 4:00 1.397 62.9 5:00 1.216 61.7 6:00 0.563 55.0 7:00 1.137 61.1 8:00 1.154 61.2 9:00 0.965 59.7 10:00 0.703 56.9 11:00 0.552 54.8 12:00 0.494 53.9 13:00 0.505 54.1 14:00 0.591 55.4 15:00 0.778 57.8 16:00 1.034 60.3 17:00 1.187 61.5 18:00 1.011 60.1 19:00 0.528 54.4 20:00 1.496 63.5 21:00 1.232 61.8 22:00 1.107 60.9 23:00 1.130 61.1