Aug. 2023 Akita-ken Akita-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 39.72 Longitude of receiver(Degree): 140.10 Distance from Ohtakadoya-yama LF station (km): 269 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.086 60.7 1:00 1.086 60.7 2:00 1.130 61.1 3:00 1.293 62.2 4:00 4.879 73.8 5:00 3.366 70.5 6:00 3.130 69.9 7:00 3.256 70.3 8:00 4.213 72.5 9:00 3.638 71.2 10:00 3.228 70.2 11:00 3.140 69.9 12:00 3.137 69.9 13:00 3.191 70.1 14:00 3.506 70.9 15:00 4.132 72.3 16:00 3.733 71.4 17:00 2.105 66.5 18:00 4.438 72.9 19:00 5.044 74.1 20:00 1.365 62.7 21:00 1.162 61.3 22:00 1.086 60.7 23:00 1.086 60.7