Jul. 2023 Miyagi-ken Sendai-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 38.27 Longitude of receiver(Degree): 140.87 Distance from Ohtakadoya-yama LF station (km): 100 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 9.774 79.8 1:00 9.756 79.8 2:00 9.723 79.8 3:00 10.837 80.7 4:00 10.820 80.7 5:00 10.580 80.5 6:00 10.451 80.4 7:00 8.881 79.0 8:00 9.858 79.9 9:00 9.562 79.6 10:00 9.492 79.5 11:00 9.504 79.6 12:00 9.505 79.6 13:00 9.495 79.5 14:00 9.524 79.6 15:00 9.843 79.9 16:00 9.131 79.2 17:00 10.286 80.2 18:00 9.215 79.3 19:00 9.218 79.3 20:00 10.195 80.2 21:00 9.715 79.7 22:00 9.750 79.8 23:00 9.772 79.8