Aug. 2023 Gunma-ken Maebashi-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 36.38 Longitude of receiver(Degree): 139.07 Distance from Ohtakadoya-yama LF station (km): 193 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 3.719 71.4 1:00 3.719 71.4 2:00 3.727 71.4 3:00 3.797 71.6 4:00 5.620 75.0 5:00 5.936 75.5 6:00 3.507 70.9 7:00 5.806 75.3 8:00 4.069 72.2 9:00 4.639 73.3 10:00 4.912 73.8 11:00 4.914 73.8 12:00 4.911 73.8 13:00 4.919 73.8 14:00 4.750 73.5 15:00 4.107 72.3 16:00 5.292 74.5 17:00 4.735 73.5 18:00 6.547 76.3 19:00 6.593 76.4 20:00 3.817 71.6 21:00 3.740 71.5 22:00 3.719 71.4 23:00 3.719 71.4