Jul. 2023 Kumamoto-ken Kumamoto-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 32.78 Longitude of receiver(Degree): 130.73 Distance from Ohtakadoya-yama LF station (km): 1051 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.101 60.8 1:00 1.101 60.8 2:00 1.101 60.8 3:00 1.035 60.3 4:00 0.595 55.5 5:00 0.870 58.8 6:00 1.114 60.9 7:00 1.058 60.5 8:00 0.898 59.1 9:00 0.724 57.2 10:00 0.593 55.5 11:00 0.527 54.4 12:00 0.520 54.3 13:00 0.570 55.1 14:00 0.687 56.7 15:00 0.855 58.6 16:00 1.025 60.2 17:00 1.120 61.0 18:00 0.971 59.7 19:00 0.569 55.1 20:00 0.946 59.5 21:00 1.101 60.8 22:00 1.101 60.8 23:00 1.101 60.8