Feb. 2023 Kumamoto-ken Kumamoto-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 32.78 Longitude of receiver(Degree): 130.73 Distance from Ohtakadoya-yama LF station (km): 1051 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.101 60.8 1:00 1.101 60.8 2:00 1.101 60.8 3:00 1.101 60.8 4:00 1.101 60.8 5:00 1.010 60.1 6:00 0.578 55.2 7:00 1.017 60.1 8:00 1.127 61.0 9:00 1.042 60.4 10:00 0.935 59.4 11:00 0.865 58.7 12:00 0.857 58.7 13:00 0.911 59.2 14:00 1.014 60.1 15:00 1.116 61.0 16:00 1.082 60.7 17:00 0.749 57.5 18:00 0.884 58.9 19:00 1.101 60.8 20:00 1.101 60.8 21:00 1.101 60.8 22:00 1.101 60.8 23:00 1.101 60.8