Aug. 2022 Okinawa-ken Ishigaki-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 24.33 Longitude of receiver(Degree): 124.15 Distance from Hagane-yama LF station (km): 1172 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.302 62.3 1:00 1.302 62.3 2:00 1.302 62.3 3:00 1.302 62.3 4:00 1.288 62.2 5:00 1.048 60.4 6:00 0.747 57.5 7:00 1.046 60.4 8:00 0.836 58.4 9:00 0.557 54.9 10:00 0.304 49.7 11:00 0.151 43.6 12:00 0.092 39.3 13:00 0.103 40.2 14:00 0.189 45.5 15:00 0.377 51.5 16:00 0.641 56.1 17:00 0.929 59.4 18:00 1.025 60.2 19:00 0.620 55.9 20:00 1.201 61.6 21:00 1.294 62.2 22:00 1.302 62.3 23:00 1.302 62.3