Dec. 2020 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 1.024 60.2 1:00 1.024 60.2 2:00 1.024 60.2 3:00 1.024 60.2 4:00 1.024 60.2 5:00 1.020 60.2 6:00 1.183 61.5 7:00 1.339 62.5 8:00 0.441 52.9 9:00 1.011 60.1 10:00 1.147 61.2 11:00 1.105 60.9 12:00 1.064 60.5 13:00 1.073 60.6 14:00 1.124 61.0 15:00 1.137 61.1 16:00 0.862 58.7 17:00 0.525 54.4 18:00 1.462 63.3 19:00 0.990 59.9 20:00 1.024 60.2 21:00 1.024 60.2 22:00 1.024 60.2 23:00 1.024 60.2