Oct. 2017 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 5.411 74.7 5:00 2.938 69.4 6:00 3.380 70.6 7:00 4.703 73.4 8:00 3.008 69.6 9:00 3.046 69.7 10:00 3.784 71.6 11:00 3.994 72.0 12:00 4.008 72.1 13:00 3.862 71.7 14:00 3.264 70.3 15:00 2.696 68.6 16:00 4.757 73.5 17:00 2.448 67.8 18:00 1.941 65.8 19:00 5.355 74.6 20:00 5.540 74.9 21:00 5.540 74.9 22:00 5.540 74.9 23:00 5.540 74.9