Jan 2011 Yamagata-ken Yamagata-shi Expected value of LF field strength Transmitting Station: Ohtakadoya-yama LF station Latitude of receiver(Degree): 38.23 Longitude of receiver(Degree): 140.37 Time(JST) Field Strength(mV/m) Field Strength(dB uV/m) 0:00 10.756 80.6 1:00 10.756 80.6 2:00 10.756 80.6 3:00 10.756 80.6 4:00 10.756 80.6 5:00 10.494 80.4 6:00 9.946 80.0 7:00 9.813 79.8 8:00 9.986 80.0 9:00 8.634 78.7 10:00 9.588 79.6 11:00 9.676 79.7 12:00 9.663 79.7 13:00 9.659 79.7 14:00 8.859 78.9 15:00 9.651 79.7 16:00 8.745 78.8 17:00 9.979 80.0 18:00 9.963 80.0 19:00 10.726 80.6 20:00 10.756 80.6 21:00 10.756 80.6 22:00 10.756 80.6 23:00 10.756 80.6