Sep. 2021 Iwate-ken Morioka-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 39.70 Longitude of receiver(Degree): 141.15 Distance from Hagane-yama LF station (km): 1197 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.253 62.0 1:00 1.253 62.0 2:00 1.253 62.0 3:00 1.253 62.0 4:00 1.247 61.9 5:00 1.143 61.2 6:00 0.627 56.0 7:00 1.005 60.0 8:00 0.929 59.4 9:00 0.666 56.5 10:00 0.458 53.2 11:00 0.296 49.4 12:00 0.225 47.1 13:00 0.237 47.5 14:00 0.336 50.5 15:00 0.511 54.2 16:00 0.742 57.4 17:00 0.988 59.9 18:00 0.918 59.3 19:00 0.732 57.3 20:00 1.219 61.7 21:00 1.251 61.9 22:00 1.253 62.0 23:00 1.253 62.0