Feb. 2023 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 2.047 66.2 1:00 2.047 66.2 2:00 2.047 66.2 3:00 2.047 66.2 4:00 2.047 66.2 5:00 2.006 66.0 6:00 1.177 61.4 7:00 2.014 66.1 8:00 1.115 60.9 9:00 0.528 54.5 10:00 1.056 60.5 11:00 1.260 62.0 12:00 1.313 62.4 13:00 1.304 62.3 14:00 1.217 61.7 15:00 0.916 59.2 16:00 0.407 52.2 17:00 1.622 64.2 18:00 1.417 63.0 19:00 1.741 64.8 20:00 2.033 66.2 21:00 2.047 66.2 22:00 2.047 66.2 23:00 2.047 66.2