Jul. 2023 Kumamoto-ken Kumamoto-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 32.78 Longitude of receiver(Degree): 130.73 Distance from Hagane-yama LF station (km): 93 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 14.626 83.3 1:00 14.626 83.3 2:00 14.625 83.3 3:00 14.611 83.3 4:00 15.614 83.9 5:00 14.772 83.4 6:00 13.774 82.8 7:00 15.065 83.6 8:00 14.587 83.3 9:00 14.561 83.3 10:00 14.620 83.3 11:00 14.636 83.3 12:00 14.631 83.3 13:00 14.632 83.3 14:00 14.637 83.3 15:00 14.580 83.3 16:00 14.763 83.4 17:00 14.196 83.0 18:00 13.920 82.9 19:00 15.600 83.9 20:00 15.785 84.0 21:00 14.878 83.5 22:00 14.616 83.3 23:00 14.626 83.3