Sep. 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 5.797 75.3 3:00 5.797 75.3 4:00 5.716 75.1 5:00 6.851 76.7 6:00 4.827 73.7 7:00 3.302 70.4 8:00 4.877 73.8 9:00 4.953 73.9 10:00 5.272 74.4 11:00 4.906 73.8 12:00 4.846 73.7 13:00 4.854 73.7 14:00 4.980 73.9 15:00 5.378 74.6 16:00 4.221 72.5 17:00 6.197 75.8 18:00 6.410 76.1 19:00 4.591 73.2 20:00 5.557 74.9 21:00 5.797 75.3 22:00 5.797 75.3 23:00 5.797 75.3