Aug. 2023 Yamaguchi-ken Yamaguchi-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 34.18 Longitude of receiver(Degree): 131.47 Distance from Ohtakadoya-yama LF station (km): 916 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.638 64.3 1:00 1.638 64.3 2:00 1.638 64.3 3:00 1.638 64.3 4:00 1.468 63.3 5:00 0.542 54.7 6:00 0.945 59.5 7:00 1.245 61.9 8:00 1.225 61.8 9:00 1.094 60.8 10:00 0.963 59.7 11:00 0.878 58.9 12:00 0.870 58.8 13:00 0.935 59.4 14:00 1.057 60.5 15:00 1.198 61.6 16:00 1.258 62.0 17:00 1.063 60.5 18:00 0.530 54.5 19:00 1.304 62.3 20:00 1.635 64.3 21:00 1.638 64.3 22:00 1.638 64.3 23:00 1.638 64.3