Oct. 2023 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 3.686 71.3 1:00 3.686 71.3 2:00 3.686 71.3 3:00 3.686 71.3 4:00 3.831 71.7 5:00 6.999 76.9 6:00 7.274 77.2 7:00 6.696 76.5 8:00 4.546 73.2 9:00 5.795 75.3 10:00 6.283 76.0 11:00 6.126 75.7 12:00 6.103 75.7 13:00 6.256 75.9 14:00 6.056 75.6 15:00 4.462 73.0 16:00 7.119 77.0 17:00 6.213 75.9 18:00 7.213 77.2 19:00 3.892 71.8 20:00 3.686 71.3 21:00 3.686 71.3 22:00 3.686 71.3 23:00 3.686 71.3