Aug. 2022 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 2.008 66.1 1:00 2.008 66.1 2:00 1.997 66.0 3:00 1.932 65.7 4:00 0.561 55.0 5:00 1.970 65.9 6:00 1.957 65.8 7:00 1.018 60.2 8:00 0.228 47.1 9:00 0.330 50.4 10:00 0.613 55.7 11:00 0.730 57.3 12:00 0.741 57.4 13:00 0.650 56.3 14:00 0.413 52.3 15:00 0.119 41.5 16:00 0.813 58.2 17:00 1.769 65.0 18:00 2.117 66.5 19:00 0.381 51.6 20:00 1.743 64.8 21:00 1.992 66.0 22:00 2.008 66.1 23:00 2.008 66.1