Apr. 2017 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 3.719 71.4 3:00 3.772 71.5 4:00 3.782 71.6 5:00 3.906 71.8 6:00 3.333 70.5 7:00 6.095 75.7 8:00 4.141 72.3 9:00 4.488 73.0 10:00 4.888 73.8 11:00 4.927 73.9 12:00 4.926 73.8 13:00 4.911 73.8 14:00 4.640 73.3 15:00 4.055 72.2 16:00 5.717 75.1 17:00 3.680 71.3 18:00 6.018 75.6 19:00 5.506 74.8 20:00 3.791 71.6 21:00 3.719 71.4 22:00 3.719 71.4 23:00 3.719 71.4