Dec. 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 5.761 75.2 6:00 6.579 76.4 7:00 6.769 76.6 8:00 5.234 74.4 9:00 6.276 76.0 10:00 3.774 71.5 11:00 4.957 73.9 12:00 5.421 74.7 13:00 5.344 74.6 14:00 4.541 73.1 15:00 4.217 72.5 16:00 5.558 74.9 17:00 6.483 76.2 18:00 3.038 69.7 19:00 5.592 75.0 20:00 5.797 75.3 21:00 5.797 75.3 22:00 5.797 75.3 23:00 5.797 75.3