May. 2022 Niigata-ken Niigata-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 37.90 Longitude of receiver(Degree): 139.02 Distance from Ohtakadoya-yama LF station (km): 172 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 3.819 71.6 1:00 3.819 71.6 2:00 3.957 71.9 3:00 5.149 74.2 4:00 4.756 73.5 5:00 4.999 74.0 6:00 6.492 76.2 7:00 4.982 73.9 8:00 6.062 75.7 9:00 5.810 75.3 10:00 5.610 75.0 11:00 5.592 75.0 12:00 5.593 75.0 13:00 5.600 75.0 14:00 5.739 75.2 15:00 6.086 75.7 16:00 5.293 74.5 17:00 5.917 75.4 18:00 4.462 73.0 19:00 4.591 73.2 20:00 6.207 75.9 21:00 3.994 72.0 22:00 3.843 71.7 23:00 3.819 71.6