Oct. 2021 Oita-ken Oita-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 33.23 Longitude of receiver(Degree): 131.62 Distance from Hagane-yama LF station (km): 137 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 10.774 80.6 1:00 10.774 80.6 2:00 10.774 80.6 3:00 10.774 80.6 4:00 10.774 80.6 5:00 10.586 80.5 6:00 10.910 80.8 7:00 10.379 80.3 8:00 10.261 80.2 9:00 10.349 80.3 10:00 9.658 79.7 11:00 9.933 79.9 12:00 10.034 80.0 13:00 10.022 80.0 14:00 9.821 79.8 15:00 9.811 79.8 16:00 9.874 79.9 17:00 9.961 80.0 18:00 9.271 79.3 19:00 9.226 79.3 20:00 10.674 80.6 21:00 10.774 80.6 22:00 10.774 80.6 23:00 10.774 80.6