Jul. 2023 Ehime-ken Matsuyama-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 33.83 Longitude of receiver(Degree): 132.77 Distance from Hagane-yama LF station (km): 243 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 5.797 75.3 1:00 5.797 75.3 2:00 5.783 75.2 3:00 5.629 75.0 4:00 6.779 76.6 5:00 6.169 75.8 6:00 4.793 73.6 7:00 5.911 75.4 8:00 4.421 72.9 9:00 5.311 74.5 10:00 4.896 73.8 11:00 4.855 73.7 12:00 4.863 73.7 13:00 4.861 73.7 14:00 4.854 73.7 15:00 4.984 74.0 16:00 5.307 74.5 17:00 3.941 71.9 18:00 5.884 75.4 19:00 6.496 76.3 20:00 4.182 72.4 21:00 5.982 75.5 22:00 5.688 75.1 23:00 5.797 75.3