Oct. 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 5.797 75.3 5:00 5.598 75.0 6:00 3.043 69.7 7:00 6.631 76.4 8:00 6.214 75.9 9:00 3.898 71.8 10:00 5.369 74.6 11:00 5.280 74.5 12:00 5.050 74.1 13:00 5.097 74.1 14:00 5.380 74.6 15:00 5.038 74.0 16:00 4.340 72.7 17:00 4.047 72.1 18:00 3.755 71.5 19:00 6.457 76.2 20:00 5.690 75.1 21:00 5.797 75.3 22:00 5.797 75.3 23:00 5.797 75.3