Apr. 2020 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 5.418 74.7 1:00 5.418 74.7 2:00 5.418 74.7 3:00 5.278 74.5 4:00 2.996 69.5 5:00 4.199 72.5 6:00 4.268 72.6 7:00 3.234 70.2 8:00 3.205 70.1 9:00 3.857 71.7 10:00 3.848 71.7 11:00 3.761 71.5 12:00 3.751 71.5 13:00 3.830 71.7 14:00 3.881 71.8 15:00 3.406 70.6 16:00 2.948 69.4 17:00 4.514 73.1 18:00 2.940 69.4 19:00 2.125 66.5 20:00 5.234 74.4 21:00 5.418 74.7 22:00 5.418 74.7 23:00 5.418 74.7