Apr. 2023 Iwate-ken Morioka-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 39.70 Longitude of receiver(Degree): 141.15 Distance from Ohtakadoya-yama LF station (km): 260 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 3.440 70.7 1:00 3.440 70.7 2:00 3.440 70.7 3:00 3.392 70.6 4:00 1.741 64.8 5:00 2.185 66.8 6:00 5.052 74.1 7:00 1.970 65.9 8:00 3.837 71.7 9:00 4.123 72.3 10:00 3.748 71.5 11:00 3.564 71.0 12:00 3.547 71.0 13:00 3.692 71.3 14:00 4.033 72.1 15:00 4.022 72.1 16:00 2.324 67.3 17:00 4.508 73.1 18:00 1.753 64.9 19:00 3.188 70.1 20:00 3.380 70.6 21:00 3.435 70.7 22:00 3.440 70.7 23:00 3.440 70.7