Aug. 2023 Hokkaido Sapporo-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 43.05 Longitude of receiver(Degree): 141.35 Distance from Ohtakadoya-yama LF station (km): 632 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 2.105 66.5 1:00 2.105 66.5 2:00 2.097 66.4 3:00 2.072 66.3 4:00 0.737 57.4 5:00 2.055 66.3 6:00 2.079 66.4 7:00 1.101 60.8 8:00 0.248 47.9 9:00 0.304 49.7 10:00 0.602 55.6 11:00 0.726 57.2 12:00 0.738 57.4 13:00 0.641 56.1 14:00 0.391 51.8 15:00 0.099 39.9 16:00 0.886 59.0 17:00 1.883 65.5 18:00 2.220 66.9 19:00 0.484 53.7 20:00 1.930 65.7 21:00 2.093 66.4 22:00 2.105 66.5 23:00 2.105 66.5