Apr. 2021 Akita-ken Akita-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 39.72 Longitude of receiver(Degree): 140.10 Distance from Hagane-yama LF station (km): 1123 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.296 62.3 1:00 1.296 62.3 2:00 1.296 62.3 3:00 1.296 62.3 4:00 1.276 62.1 5:00 1.101 60.8 6:00 0.604 55.6 7:00 1.006 60.1 8:00 0.912 59.2 9:00 0.679 56.6 10:00 0.456 53.2 11:00 0.292 49.3 12:00 0.228 47.2 13:00 0.239 47.6 14:00 0.329 50.4 15:00 0.532 54.5 16:00 0.751 57.5 17:00 0.971 59.7 18:00 0.936 59.4 19:00 0.542 54.7 20:00 1.229 61.8 21:00 1.283 62.2 22:00 1.296 62.3 23:00 1.296 62.3