Aug. 2022 Nagano-ken Nagano-shi Expected value of LF field strength Transmitting Station: Hagane-yama LF station Latitude of receiver(Degree): 36.65 Longitude of receiver(Degree): 138.18 Distance from Hagane-yama LF station (km): 808 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 1.965 65.9 1:00 1.965 65.9 2:00 1.965 65.9 3:00 1.947 65.8 4:00 1.848 65.3 5:00 0.596 55.5 6:00 1.853 65.4 7:00 0.604 55.6 8:00 0.662 56.4 9:00 1.113 60.9 10:00 1.170 61.4 11:00 1.102 60.8 12:00 1.056 60.5 13:00 1.066 60.6 14:00 1.130 61.1 15:00 1.182 61.5 16:00 1.012 60.1 17:00 0.405 52.1 18:00 1.112 60.9 19:00 1.859 65.4 20:00 1.027 60.2 21:00 1.892 65.5 22:00 1.965 65.9 23:00 1.965 65.9