Sep. 2023 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 1.341 62.5 1:00 1.341 62.5 2:00 1.341 62.5 3:00 1.341 62.5 4:00 1.336 62.5 5:00 1.249 61.9 6:00 0.711 57.0 7:00 1.076 60.6 8:00 1.006 60.1 9:00 0.742 57.4 10:00 0.504 54.1 11:00 0.335 50.5 12:00 0.263 48.4 13:00 0.275 48.8 14:00 0.376 51.5 15:00 0.565 55.0 16:00 0.820 58.3 17:00 1.066 60.6 18:00 0.985 59.9 19:00 0.834 58.4 20:00 1.320 62.4 21:00 1.339 62.5 22:00 1.341 62.5 23:00 1.341 62.5