Nov. 2021 Nagano-ken Nagano-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 36.65 Longitude of receiver(Degree): 138.18 Distance from Ohtakadoya-yama LF station (km): 250 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 5.540 74.9 1:00 5.540 74.9 2:00 5.540 74.9 3:00 5.540 74.9 4:00 5.535 74.9 5:00 5.134 74.2 6:00 3.880 71.8 7:00 2.431 67.7 8:00 4.514 73.1 9:00 2.630 68.4 10:00 3.050 69.7 11:00 3.521 70.9 12:00 3.563 71.0 13:00 3.194 70.1 14:00 2.589 68.3 15:00 4.041 72.1 16:00 3.542 71.0 17:00 5.102 74.2 18:00 4.396 72.9 19:00 5.478 74.8 20:00 5.540 74.9 21:00 5.540 74.9 22:00 5.540 74.9 23:00 5.540 74.9